Hourly Weather Forecast for Wilmington, Delaware

Hourly Weather | Today › Saturday, December 27, 2025

Active Weather Warnings

Winter Weather Advisory

Wilmington, Delaware

3 AM

34°

Feels Like 28°

Humidity: 95%

Wind: 7 mph

UV Index: 0

4 AM

34°

Feels Like 27°

Humidity: 94%

Wind: 7 mph

UV Index: 0

5 AM

36°

Feels Like 28°

Humidity: 93%

Wind: 8 mph

UV Index: 0

6 AM

36°

Feels Like 27°

Humidity: 91%

Wind: 9 mph

UV Index: 0

7 AM

36°

Feels Like 27°

Humidity: 89%

Wind: 10 mph

UV Index: 0

8 AM

36°

Feels Like 27°

Humidity: 83%

Wind: 10 mph

UV Index: 0

9 AM

36°

Feels Like 27°

Humidity: 85%

Wind: 12 mph

UV Index: 0

10 AM

36°

Feels Like 27°

Humidity: 83%

Wind: 12 mph

UV Index: 0

11 AM

36°

Feels Like 25°

Humidity: 82%

Wind: 12 mph

UV Index: 0

12 PM

36°

Feels Like 25°

Humidity: 80%

Wind: 12 mph

UV Index: 0

1 PM

36°

Feels Like 25°

Humidity: 79%

Wind: 12 mph

UV Index: 1

2 PM

36°

Feels Like 27°

Humidity: 78%

Wind: 10 mph

UV Index: 0

3 PM

36°

Feels Like 27°

Humidity: 78%

Wind: 9 mph

UV Index: 0

4 PM

36°

Feels Like 28°

Humidity: 78%

Wind: 8 mph

UV Index: 0

5 PM

34°

Feels Like 28°

Humidity: 78%

Wind: 8 mph

UV Index: 0

6 PM

34°

Feels Like 28°

Humidity: 80%

Wind: 7 mph

UV Index: 0

7 PM

34°

Feels Like 30°

Humidity: 81%

Wind: 6 mph

UV Index: 0

8 PM

32°

Feels Like 30°

Humidity: 81%

Wind: 6 mph

UV Index: 0

9 PM

32°

Feels Like 28°

Humidity: 84%

Wind: 6 mph

UV Index: 0

10 PM

30°

Feels Like 28°

Humidity: 86%

Wind: 6 mph

UV Index: 0

11 PM

30°

Feels Like 27°

Humidity: 87%

Wind: 6 mph

UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

3 AM

21 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 4.55 µg/m³
PM₁₀: 8.15 µg/m³
O₃: 0.023 ppm
NO₂: 5.2 ppb
SO₂: 0.5 ppb
CO: 0.17 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

4 AM

24 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 5.65 µg/m³
PM₁₀: 8.95 µg/m³
O₃: 0.021 ppm
NO₂: 5.6 ppb
SO₂: 0.5 ppb
CO: 0.18 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

5 AM

29 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 6.93 µg/m³
PM₁₀: 10.18 µg/m³
O₃: 0.020 ppm
NO₂: 6.4 ppb
SO₂: 0.6 ppb
CO: 0.19 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

6 AM

33 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 7.85 µg/m³
PM₁₀: 11.07 µg/m³
O₃: 0.019 ppm
NO₂: 7.2 ppb
SO₂: 0.7 ppb
CO: 0.20 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

7 AM

34 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 8.06 µg/m³
PM₁₀: 10.85 µg/m³
O₃: 0.019 ppm
NO₂: 7.5 ppb
SO₂: 0.7 ppb
CO: 0.20 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

8 AM

32 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 7.76 µg/m³
PM₁₀: 9.81 µg/m³
O₃: 0.020 ppm
NO₂: 7.1 ppb
SO₂: 0.9 ppb
CO: 0.20 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

9 AM

31 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 7.46 µg/m³
PM₁₀: 9.13 µg/m³
O₃: 0.022 ppm
NO₂: 6.9 ppb
SO₂: 1 ppb
CO: 0.20 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 AM

29 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 7.01 µg/m³
PM₁₀: 8.53 µg/m³
O₃: 0.025 ppm
NO₂: 5.8 ppb
SO₂: 1.1 ppb
CO: 0.19 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 AM

26 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 6.35 µg/m³
PM₁₀: 7.76 µg/m³
O₃: 0.027 ppm
NO₂: 5.3 ppb
SO₂: 1 ppb
CO: 0.19 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

12 PM

27 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 5.99 µg/m³
PM₁₀: 7.38 µg/m³
O₃: 0.029 ppm
NO₂: 5.5 ppb
SO₂: 1 ppb
CO: 0.18 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

1 PM

28 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 5.56 µg/m³
PM₁₀: 7 µg/m³
O₃: 0.030 ppm
NO₂: 6.4 ppb
SO₂: 1.1 ppb
CO: 0.17 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

2 PM

27 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 5.11 µg/m³
PM₁₀: 6.66 µg/m³
O₃: 0.029 ppm
NO₂: 7.7 ppb
SO₂: 1.1 ppb
CO: 0.17 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

3 PM

26 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 5.03 µg/m³
PM₁₀: 6.78 µg/m³
O₃: 0.028 ppm
NO₂: 8.9 ppb
SO₂: 1.1 ppb
CO: 0.17 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

4 PM

25 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 4.96 µg/m³
PM₁₀: 6.88 µg/m³
O₃: 0.027 ppm
NO₂: 10.2 ppb
SO₂: 1.1 ppb
CO: 0.17 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

5 PM

23 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 5.28 µg/m³
PM₁₀: 7.47 µg/m³
O₃: 0.025 ppm
NO₂: 11.4 ppb
SO₂: 1.1 ppb
CO: 0.18 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

6 PM

26 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 6.31 µg/m³
PM₁₀: 8.87 µg/m³
O₃: 0.023 ppm
NO₂: 12.6 ppb
SO₂: 1.1 ppb
CO: 0.19 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

7 PM

31 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 7.55 µg/m³
PM₁₀: 10.47 µg/m³
O₃: 0.021 ppm
NO₂: 13.4 ppb
SO₂: 1.1 ppb
CO: 0.20 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

8 PM

37 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 8.9 µg/m³
PM₁₀: 12.15 µg/m³
O₃: 0.019 ppm
NO₂: 13.7 ppb
SO₂: 1.1 ppb
CO: 0.20 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

9 PM

43 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 10.3 µg/m³
PM₁₀: 13.85 µg/m³
O₃: 0.019 ppm
NO₂: 13.8 ppb
SO₂: 1.1 ppb
CO: 0.21 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 PM

49 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 11.66 µg/m³
PM₁₀: 15.43 µg/m³
O₃: 0.018 ppm
NO₂: 13.6 ppb
SO₂: 1 ppb
CO: 0.21 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 PM

52 AQI

Moderate air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 13.05 µg/m³
PM₁₀: 17 µg/m³
O₃: 0.017 ppm
NO₂: 13.3 ppb
SO₂: 0.9 ppb
CO: 0.21 ppm

Health Recommendations:

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

Current Real-Time Air Quality Report

Weather Alerts and Warnings for Wilmington

Moderate Expected Likely

Winter Weather Advisory

Winter Weather Advisory issued December 27 at 2:11AM EST until December 27 at 10:00AM EST by NWS Mount Holly NJ

Dec 27, 2:11 AM → Dec 27, 10:00 AM

WHAT: Freezing drizzle. Additional ice accumulations around a
light glaze.

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

WHEN: Until 10 AM EST this morning.

IMPACTS: Very slippery sidewalks, roads and bridges are possible.

+ Read More

Slow down and use caution while traveling. Prepare for possible power outages. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.

Updated: Dec 27, 2:36 AM Source: NWS Alert