Hourly Weather | Today Friday, July 3, 2026
Active Weather Warnings
Wilmington, Delaware
1 AM
Cloudy Night
84°
Feels Like 91°
19
Humidity: 68%
UV Index: 0
Wind: 6 mph
2 AM
Cloudy Night
84°
Feels Like 90°
20
Humidity: 70%
UV Index: 0
Wind: 6 mph
3 AM
Cloudy Night
82°
Feels Like 90°
20
Humidity: 72%
UV Index: 0
Wind: 6 mph
4 AM
Cloudy Night
82°
Feels Like 88°
20
Humidity: 73%
UV Index: 0
Wind: 6 mph
5 AM
Cloudy Night
81°
Feels Like 84°
20
Humidity: 77%
UV Index: 0
Wind: 6 mph
6 AM
Cloudy Weather
81°
Feels Like 86°
20
Humidity: 76%
UV Index: 0
Wind: 6 mph
7 AM
Cloudy Weather
82°
Feels Like 90°
15
Humidity: 72%
UV Index: 1
Wind: 6 mph
8 AM
Cloudy Weather
81°
Feels Like 90°
5
Humidity: 77%
UV Index: 2
Wind: 6 mph
9 AM
Cloudy Weather
84°
Feels Like 93°
5
Humidity: 69%
UV Index: 3
Wind: 7 mph
10 AM
Cloudy Weather
88°
Feels Like 97°
6
Humidity: 62%
UV Index: 5
Wind: 8 mph
11 AM
Cloudy Weather
90°
Feels Like 100°
7
Humidity: 56%
UV Index: 7
Wind: 9 mph
12 PM
Cloudy Weather
91°
Feels Like 102°
7
Humidity: 52%
UV Index: 10
Wind: 10 mph
1 PM
Cloudy Weather
93°
Feels Like 102°
11
Humidity: 49%
UV Index: 11
Wind: 12 mph
2 PM
Cloudy Weather
93°
Feels Like 102°
19
Humidity: 48%
UV Index: 10
Wind: 12 mph
3 PM
Cloudy Weather
95°
Feels Like 102°
19
Humidity: 44%
UV Index: 7
Wind: 13 mph
4 PM
Cloudy Weather
93°
Feels Like 104°
24
Humidity: 57%
UV Index: 5
Wind: 12 mph
5 PM
Sunny with a Chance of Thunderstorms
86°
Feels Like 93°
51
Humidity: 76%
UV Index: 3
Wind: 12 mph
6 PM
Cloudy Weather
84°
Feels Like 93°
47
Humidity: 71%
UV Index: 2
Wind: 10 mph
7 PM
Cloudy Weather
84°
Feels Like 99°
47
Humidity: 85%
UV Index: 1
Wind: 9 mph
8 PM
Sunny with a Chance of Thunderstorms
82°
Feels Like 91°
51
Humidity: 85%
UV Index: 0
Wind: 8 mph
9 PM
Cloudy Night
81°
Feels Like 84°
47
Humidity: 75%
UV Index: 0
Wind: 7 mph
10 PM
Cloudy Night
81°
Feels Like 84°
40
Humidity: 75%
UV Index: 0
Wind: 7 mph
11 PM
Cloudy Night
79°
Feels Like 84°
34
Humidity: 87%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

1 AM
52 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 13.02 µg/m³
  • PM10: 20.21 µg/m³
  • O3: 0.042 ppm
  • NO2: 2.1 ppb
  • SO2: 0.6 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

2 AM
52 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 12.72 µg/m³
  • PM10: 19.34 µg/m³
  • O3: 0.036 ppm
  • NO2: 2.2 ppb
  • SO2: 0.6 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

3 AM
52 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 12.71 µg/m³
  • PM10: 18.42 µg/m³
  • O3: 0.032 ppm
  • NO2: 2.3 ppb
  • SO2: 0.6 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

4 AM
51 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 12.69 µg/m³
  • PM10: 17.59 µg/m³
  • O3: 0.027 ppm
  • NO2: 2.5 ppb
  • SO2: 0.5 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

5 AM
51 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 12.59 µg/m³
  • PM10: 16.95 µg/m³
  • O3: 0.024 ppm
  • NO2: 2.7 ppb
  • SO2: 0.5 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

6 AM
51 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 12.47 µg/m³
  • PM10: 16.47 µg/m³
  • O3: 0.021 ppm
  • NO2: 2.8 ppb
  • SO2: 0.5 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

7 AM
51 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 12.46 µg/m³
  • PM10: 16.27 µg/m³
  • O3: 0.019 ppm
  • NO2: 2.9 ppb
  • SO2: 0.5 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

8 AM
51 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 12.65 µg/m³
  • PM10: 16.35 µg/m³
  • O3: 0.018 ppm
  • NO2: 2.8 ppb
  • SO2: 0.5 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

9 AM
52 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 13.17 µg/m³
  • PM10: 16.77 µg/m³
  • O3: 0.020 ppm
  • NO2: 2.9 ppb
  • SO2: 0.6 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

10 AM
55 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 14.38 µg/m³
  • PM10: 17.89 µg/m³
  • O3: 0.027 ppm
  • NO2: 2.9 ppb
  • SO2: 0.8 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

11 AM
62 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 17.85 µg/m³
  • PM10: 21.17 µg/m³
  • O3: 0.042 ppm
  • NO2: 2.4 ppb
  • SO2: 1.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

12 PM
67 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 19.96 µg/m³
  • PM10: 23.03 µg/m³
  • O3: 0.053 ppm
  • NO2: 1.1 ppb
  • SO2: 1.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

1 PM
67 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 19.8 µg/m³
  • PM10: 22.95 µg/m³
  • O3: 0.049 ppm
  • NO2: 0.8 ppb
  • SO2: 0.9 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

2 PM
67 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 19.88 µg/m³
  • PM10: 23.18 µg/m³
  • O3: 0.047 ppm
  • NO2: 0.7 ppb
  • SO2: 0.8 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

3 PM
68 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 20.33 µg/m³
  • PM10: 23.78 µg/m³
  • O3: 0.048 ppm
  • NO2: 0.8 ppb
  • SO2: 0.7 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

4 PM
69 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 21.05 µg/m³
  • PM10: 24.69 µg/m³
  • O3: 0.053 ppm
  • NO2: 0.9 ppb
  • SO2: 0.8 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

5 PM
70 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 21.33 µg/m³
  • PM10: 25.2 µg/m³
  • O3: 0.057 ppm
  • NO2: 1.2 ppb
  • SO2: 0.9 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

6 PM
70 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 21.55 µg/m³
  • PM10: 25.29 µg/m³
  • O3: 0.061 ppm
  • NO2: 1.6 ppb
  • SO2: 1.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

7 PM
70 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 21.57 µg/m³
  • PM10: 25.2 µg/m³
  • O3: 0.056 ppm
  • NO2: 2.3 ppb
  • SO2: 1.3 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

8 PM
71 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 21.69 µg/m³
  • PM10: 25.07 µg/m³
  • O3: 0.052 ppm
  • NO2: 2.8 ppb
  • SO2: 1.3 ppb
  • CO: 0.16 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

9 PM
69 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 21.08 µg/m³
  • PM10: 24.27 µg/m³
  • O3: 0.047 ppm
  • NO2: 2.7 ppb
  • SO2: 1 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

10 PM
69 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 21 µg/m³
  • PM10: 24.29 µg/m³
  • O3: 0.044 ppm
  • NO2: 2.9 ppb
  • SO2: 0.8 ppb
  • CO: 0.16 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

11 PM
70 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 21.13 µg/m³
  • PM10: 24.72 µg/m³
  • O3: 0.042 ppm
  • NO2: 3.9 ppb
  • SO2: 0.6 ppb
  • CO: 0.17 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

Weather Alerts and Warnings for Wilmington

Severe Future Likely

Extreme Heat Watch

Extreme Heat Watch issued June 29 at 5:17PM EDT until July 4 at 8:00PM EDT by NWS Mount Holly NJ
Jul 1, 12:00 PM Jul 4, 8:00 PM
WHAT: Dangerously hot conditions with heat index values up to 110
degrees possible.

WHERE: Portions of northern Delaware, central and southern New
Jersey, and southeast Pennsylvania.

WHEN: From Wednesday afternoon through Saturday evening.

IMPACTS: Heat related illnesses increase significantly during
extreme heat and high humidity events.

ADDITIONAL DETAILS: Very warm low temperatures in the mid 70s to
low 80s at night will not offer any relief from the heat. This
combined with multiple days of near record breaking temperatures
will exacerbate the impacts from the heat and humidity.
+ Read More
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. If you do not have air conditioning in your home or lack shelter, you can call 211 or visit your county or state health department website for assistance locating appropriate shelter from the heat.
Updated: Jun 30, 1:43 AM Source: NWS Alert
Severe Expected Likely

Extreme Heat Warning

Extreme Heat Warning issued July 2 at 1:30PM EDT until July 4 at 8:00PM EDT by NWS Mount Holly NJ
Jul 2, 1:30 PM Jul 4, 8:00 PM
WHAT: Dangerously hot conditions with heat index values between
105 and 115 degrees expected each day.

WHERE: Portions of northern Delaware, central and southern New
Jersey, and southeast Pennsylvania.

WHEN: Until 8 PM EDT Saturday.

IMPACTS: Heat related illnesses increase significantly during
extreme heat and high humidity events.

ADDITIONAL DETAILS: Very warm low temperatures in the mid 70s to
low 80s at night will not offer any relief from the heat. This
combined with multiple days of near record breaking temperatures
will exacerbate the impacts from the heat and humidity. The
hottest conditions are expected to occur today through Friday.
+ Read More
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. If you do not have air conditioning in your home or lack shelter, you can call 211 or visit your county or state health department website for assistance locating appropriate shelter from the heat.
Updated: Jul 2, 11:26 PM Source: NWS Alert