Hourly Weather | Today Tuesday, March 17, 2026
Active Weather Warnings
Bridgeport, Connecticut
8 AM
Cloudy Weather
37°
Feels Like 25°
0
Humidity: 51%
UV Index: 1
Wind: 16 mph
9 AM
Cloudy Weather
36°
Feels Like 25°
0
Humidity: 49%
UV Index: 2
Wind: 16 mph
10 AM
Cloudy Weather
37°
Feels Like 27°
0
Humidity: 46%
UV Index: 3
Wind: 17 mph
11 AM
Cloudy Weather
37°
Feels Like 28°
0
Humidity: 42%
UV Index: 4
Wind: 17 mph
12 PM
Cloudy Weather
39°
Feels Like 30°
0
Humidity: 39%
UV Index: 4
Wind: 18 mph
1 PM
Cloudy Weather
39°
Feels Like 34°
0
Humidity: 36%
UV Index: 5
Wind: 18 mph
2 PM
Cloudy Weather
41°
Feels Like 36°
0
Humidity: 35%
UV Index: 4
Wind: 16 mph
3 PM
Cloudy Weather
43°
Feels Like 36°
0
Humidity: 34%
UV Index: 4
Wind: 16 mph
4 PM
Cloudy Weather
43°
Feels Like 36°
0
Humidity: 32%
UV Index: 2
Wind: 16 mph
5 PM
Cloudy Weather
39°
Feels Like 30°
0
Humidity: 35%
UV Index: 1
Wind: 15 mph
6 PM
Cloudy Weather
39°
Feels Like 28°
0
Humidity: 36%
UV Index: 1
Wind: 14 mph
7 PM
Cloudy Weather
37°
Feels Like 27°
0
Humidity: 38%
UV Index: 0
Wind: 13 mph
8 PM
Cloudy Night
36°
Feels Like 21°
0
Humidity: 42%
UV Index: 0
Wind: 16 mph
9 PM
Cloudy Night
34°
Feels Like 19°
0
Humidity: 44%
UV Index: 0
Wind: 15 mph
10 PM
Cloudy Night
32°
Feels Like 19°
0
Humidity: 44%
UV Index: 0
Wind: 15 mph
11 PM
Cloudy Night
30°
Feels Like 18°
0
Humidity: 44%
UV Index: 0
Wind: 14 mph

Hourly Air Quality Forecast - AQI (US EPA)

8 AM
41 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 1.37 µg/m³
  • O3: 0.044 ppm
  • NO2: 2.2 ppb
  • SO2: 0.6 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

9 AM
42 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 1.33 µg/m³
  • O3: 0.045 ppm
  • NO2: 2.3 ppb
  • SO2: 0.6 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

10 AM
44 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 1.39 µg/m³
  • O3: 0.047 ppm
  • NO2: 2.1 ppb
  • SO2: 0.6 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

11 AM
45 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.6 µg/m³
  • PM10: 1.6 µg/m³
  • O3: 0.049 ppm
  • NO2: 2 ppb
  • SO2: 0.6 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

12 PM
46 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.83 µg/m³
  • PM10: 1.84 µg/m³
  • O3: 0.050 ppm
  • NO2: 1.8 ppb
  • SO2: 0.6 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

1 PM
48 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.09 µg/m³
  • PM10: 2.07 µg/m³
  • O3: 0.052 ppm
  • NO2: 1.6 ppb
  • SO2: 0.6 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

2 PM
50 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.29 µg/m³
  • PM10: 2.25 µg/m³
  • O3: 0.054 ppm
  • NO2: 1.5 ppb
  • SO2: 0.6 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

3 PM
53 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.35 µg/m³
  • PM10: 2.29 µg/m³
  • O3: 0.055 ppm
  • NO2: 1.5 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.

4 PM
56 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.26 µg/m³
  • PM10: 2.15 µg/m³
  • O3: 0.056 ppm
  • NO2: 1.5 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.

5 PM
56 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.11 µg/m³
  • PM10: 1.98 µg/m³
  • O3: 0.056 ppm
  • NO2: 1.6 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.

6 PM
54 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.02 µg/m³
  • PM10: 1.95 µg/m³
  • O3: 0.055 ppm
  • NO2: 2 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.

7 PM
50 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.03 µg/m³
  • PM10: 2.12 µg/m³
  • O3: 0.054 ppm
  • NO2: 2.8 ppb
  • SO2: 0.7 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

8 PM
48 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.11 µg/m³
  • PM10: 2.37 µg/m³
  • O3: 0.052 ppm
  • NO2: 3.2 ppb
  • SO2: 0.8 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

9 PM
46 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.3 µg/m³
  • PM10: 2.67 µg/m³
  • O3: 0.050 ppm
  • NO2: 3.3 ppb
  • SO2: 0.9 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

10 PM
45 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.44 µg/m³
  • PM10: 2.87 µg/m³
  • O3: 0.049 ppm
  • NO2: 3.4 ppb
  • SO2: 0.9 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

11 PM
44 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.47 µg/m³
  • PM10: 2.89 µg/m³
  • O3: 0.048 ppm
  • NO2: 3.4 ppb
  • SO2: 0.9 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

Weather Alerts and Warnings for Bridgeport

Severe Future Possible

Flood Watch

Flood Watch issued March 16 at 3:02PM EDT until March 17 at 8:00AM EDT by NWS Upton NY
Mar 16, 3:02 PM Mar 17, 8:00 AM
WHAT: Flooding caused by excessive rainfall continues to be
possible.

WHERE: A portion of southern Connecticut, including the following
areas, Northern Fairfield, Northern Middlesex, Northern New Haven,
Northern New London, Southern Fairfield, Southern Middlesex,
Southern New Haven and Southern New London.

WHEN: Through Tuesday morning.

IMPACTS: Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Creeks and streams may rise out of their banks. Flooding may occur
in poor drainage and urban areas.

ADDITIONAL DETAILS:
- http://www.weather.gov/safety/flood
+ Read More
You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.
Updated: Mar 17, 12:52 AM Source: NWS Alert
Moderate Expected Likely

Wind Advisory

Wind Advisory issued March 17 at 3:34AM EDT until March 17 at 8:00AM EDT by NWS Upton NY
Mar 17, 3:34 AM Mar 17, 8:00 AM
WHAT: West winds 20 to 30 mph with gusts up to 50 mph. Wind gusts
will gradually subside to 35 mph through the morning.

WHERE: Portions of southern Connecticut, northeast New Jersey,
and southeast New York.

WHEN: Until 8 AM EDT this morning.

IMPACTS: Gusty winds will blow around unsecured objects. A few
additional tree limbs could be blown down.
+ Read More
Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.
Updated: Mar 17, 5:40 AM Source: NWS Alert