Hourly Weather | Today Tuesday, March 17, 2026
Active Weather Warnings
New Bedford, Massachusetts
6 AM
Cloudy Weather
46°
Feels Like 34°
49
Humidity: 77%
UV Index: 0
Wind: 20 mph
7 AM
Cloudy Weather
45°
Feels Like 34°
46
Humidity: 72%
UV Index: 0
Wind: 20 mph
8 AM
Partly Sunny with Showers
43°
Feels Like 32°
51
Humidity: 70%
UV Index: 1
Wind: 15 mph
9 AM
Cloudy Weather
43°
Feels Like 34°
47
Humidity: 66%
UV Index: 2
Wind: 15 mph
10 AM
Cloudy Weather
43°
Feels Like 34°
40
Humidity: 55%
UV Index: 3
Wind: 16 mph
11 AM
Cloudy Weather
43°
Feels Like 36°
34
Humidity: 48%
UV Index: 4
Wind: 17 mph
12 PM
Cloudy Weather
45°
Feels Like 37°
34
Humidity: 41%
UV Index: 4
Wind: 17 mph
1 PM
Cloudy Weather
45°
Feels Like 39°
29
Humidity: 37%
UV Index: 5
Wind: 17 mph
2 PM
Cloudy Weather
45°
Feels Like 39°
20
Humidity: 36%
UV Index: 4
Wind: 17 mph
3 PM
Cloudy Weather
46°
Feels Like 41°
20
Humidity: 32%
UV Index: 4
Wind: 17 mph
4 PM
Cloudy Weather
46°
Feels Like 37°
20
Humidity: 33%
UV Index: 3
Wind: 18 mph
5 PM
Cloudy Weather
45°
Feels Like 34°
20
Humidity: 34%
UV Index: 2
Wind: 18 mph
6 PM
Cloudy Weather
43°
Feels Like 34°
20
Humidity: 34%
UV Index: 1
Wind: 16 mph
7 PM
Cloudy Night
41°
Feels Like 30°
13
Humidity: 37%
UV Index: 0
Wind: 14 mph
8 PM
Cloudy Night
39°
Feels Like 27°
0
Humidity: 39%
UV Index: 0
Wind: 15 mph
9 PM
Cloudy Night
37°
Feels Like 25°
0
Humidity: 41%
UV Index: 0
Wind: 15 mph
10 PM
Cloudy Night
36°
Feels Like 21°
0
Humidity: 42%
UV Index: 0
Wind: 16 mph
11 PM
Cloudy Night
34°
Feels Like 19°
0
Humidity: 42%
UV Index: 0
Wind: 16 mph

Hourly Air Quality Forecast - AQI (US EPA)

6 AM
37 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.05 µg/m³
  • PM10: 3.09 µg/m³
  • O3: 0.040 ppm
  • NO2: 2.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1 µg/m³
  • PM10: 3.5 µg/m³
  • O3: 0.045 ppm
  • NO2: 2.4 ppb
  • SO2: 0.5 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.01 µg/m³
  • PM10: 3.54 µg/m³
  • O3: 0.045 ppm
  • NO2: 2.8 ppb
  • SO2: 0.6 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.89 µg/m³
  • PM10: 3.22 µg/m³
  • O3: 0.043 ppm
  • NO2: 3.1 ppb
  • SO2: 0.7 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.87 µg/m³
  • PM10: 3.11 µg/m³
  • O3: 0.043 ppm
  • NO2: 2.8 ppb
  • SO2: 0.8 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.21 µg/m³
  • PM10: 3.44 µg/m³
  • O3: 0.045 ppm
  • NO2: 2.7 ppb
  • SO2: 0.8 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.86 µg/m³
  • PM10: 4.04 µg/m³
  • O3: 0.047 ppm
  • NO2: 2.5 ppb
  • SO2: 0.8 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.71 µg/m³
  • PM10: 4.82 µg/m³
  • O3: 0.050 ppm
  • NO2: 2.3 ppb
  • SO2: 0.7 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.45 µg/m³
  • PM10: 5.49 µg/m³
  • O3: 0.052 ppm
  • NO2: 2.1 ppb
  • SO2: 0.7 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.81 µg/m³
  • PM10: 5.78 µg/m³
  • O3: 0.055 ppm
  • NO2: 1.9 ppb
  • SO2: 0.7 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.

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

Pollutant Concentrations:

  • PM2.5: 3.83 µg/m³
  • PM10: 5.82 µg/m³
  • O3: 0.056 ppm
  • NO2: 1.8 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
60 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.71 µg/m³
  • PM10: 5.8 µg/m³
  • O3: 0.057 ppm
  • NO2: 1.9 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.

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

Pollutant Concentrations:

  • PM2.5: 3.15 µg/m³
  • PM10: 5.26 µg/m³
  • O3: 0.057 ppm
  • NO2: 2.2 ppb
  • SO2: 0.7 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
56 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.28 µg/m³
  • PM10: 4.26 µg/m³
  • O3: 0.056 ppm
  • NO2: 2.6 ppb
  • SO2: 0.7 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.

8 PM
51 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.57 µg/m³
  • PM10: 3.43 µg/m³
  • O3: 0.054 ppm
  • NO2: 2.6 ppb
  • SO2: 0.7 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.

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

Pollutant Concentrations:

  • PM2.5: 1.07 µg/m³
  • PM10: 2.76 µg/m³
  • O3: 0.052 ppm
  • NO2: 2.5 ppb
  • SO2: 0.7 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.89 µg/m³
  • PM10: 2.43 µg/m³
  • O3: 0.051 ppm
  • NO2: 2.4 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 PM
46 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.84 µg/m³
  • PM10: 2.25 µg/m³
  • O3: 0.049 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.

Weather Alerts and Warnings for New Bedford

Severe Future Possible

High Wind Watch

High Wind Watch issued March 15 at 12:13PM EDT until March 17 at 6:00AM EDT by NWS Boston/Norton MA
Mar 16, 5:00 PM Mar 17, 6:00 AM
WHAT: South winds 20 to 30 mph with gusts up to 60 mph possible.

WHERE: Portions of eastern, northeastern, and southeastern
Massachusetts and northern and southern Rhode Island.

WHEN: From Monday afternoon through late Monday night.

IMPACTS: Damaging winds could blow down trees and power lines.
Power outages are possible. Travel could be difficult, especially
for high profile vehicles.
+ Read More
Monitor the latest forecasts and warnings for updates.
Updated: Mar 16, 12:04 AM Source: NWS Alert
Severe Expected Likely

High Wind Warning

High Wind Warning issued March 16 at 3:00PM EDT until March 17 at 6:00AM EDT by NWS Boston/Norton MA
Mar 16, 5:00 PM Mar 17, 6:00 AM
WHAT: South winds 20 to 30 mph with gusts up to 65 mph expected.

WHERE: Portions of eastern, northeastern, and southeastern
Massachusetts and northern and southern Rhode Island.

WHEN: Until 6 AM EDT Tuesday.

IMPACTS: Damaging winds will blow down trees and power lines.
Power outages are possible. Travel will be difficult, especially
for high profile vehicles.
+ Read More
Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive.
Updated: Mar 17, 5:21 AM Source: NWS Alert
Severe Future Possible

Flood Watch

Flood Watch issued March 16 at 3:04PM EDT until March 17 at 8:00AM EDT by NWS Boston/Norton MA
Mar 16, 3:04 PM Mar 17, 8:00 AM
WHAT: Flooding is possible from periods of heavy rain through
tonight combined with last week/s snow melt.

WHERE: All of southern New England except the outer-Islands.

WHEN: Through Tuesday morning.

IMPACTS: Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas. Area creeks
and streams are running high and could flood with more heavy rain.

ADDITIONAL DETAILS:
- Periods of heavy showers and potentially a few embedded
thunder will continue through tonight. This combined with
last week/s snow melt may result in some river and small
stream flooding as well as pockets poor drainage street
flooding.
- 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, 2:10 AM Source: NWS Alert