National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Otis Air National Guard Base (KFMH)

Lat: 41.65°NLon: 70.52°WElev: 131ft.

Partly Cloudy

84°F

29°C

Humidity 66%
Wind Speed SW 14 mph
Barometer 30.08 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 15 Jul 1:56 pm EDT
Extended Forecast for

Onset MA

Heat Advisory July 15, 02:17pm until July 17, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 15, 02:17pm until July 17, 07:00pm

    NOW until 7:00pm Thu

    Heat Advisory

  • This Afternoon

    High: 80 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 71. Southwest wind 6 to 9 mph.

    Low: 71 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 81. South wind 6 to 13 mph.

    High: 81 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms after 2am. Increasing clouds, with a low around 72. Southwest wind around 10 mph. Chance of precipitation is 20%.

    Low: 72 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 2pm, then a slight chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 81. Southwest wind 10 to 15 mph. Chance of precipitation is 30%.

    High: 81 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 74. Southwest wind 9 to 11 mph.

    Low: 74 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 85. West wind 7 to 11 mph.

    High: 85 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 67. North wind around 6 mph.

    Low: 67 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 80. Southwest wind around 11 mph.
Tonight
Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 71. Southwest wind 6 to 9 mph.
Wednesday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 81. South wind 6 to 13 mph.
Wednesday Night
A slight chance of showers and thunderstorms after 2am. Increasing clouds, with a low around 72. Southwest wind around 10 mph. Chance of precipitation is 20%.
Thursday
A chance of showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 2pm, then a slight chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 81. Southwest wind 10 to 15 mph. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 74. Southwest wind 9 to 11 mph.
Friday
Mostly sunny, with a high near 85. West wind 7 to 11 mph.
Friday Night
Mostly cloudy, with a low around 67. North wind around 6 mph.
Saturday
Sunny, with a high near 78. North wind 6 to 9 mph.
Saturday Night
Partly cloudy, with a low around 67. South wind 3 to 6 mph.
Sunday
Partly sunny, with a high near 78. South wind 5 to 11 mph.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 68. South wind around 8 mph. Chance of precipitation is 40%.
Monday
A chance of showers. Mostly sunny, with a high near 78. West wind 8 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Onset MA
 41.73°N 70.66°W (Elev. 20 ft)
Last Update:
7:45 am EDT Jul 15, 2025
Forecast Valid:
2pm EDT Jul 15, 2025-6pm EDT Jul 21, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation