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

Otis Air National Guard Base (KFMH)

Lat: 41.65°NLon: 70.52°WElev: 131ft.

Fair

79°F

26°C

Humidity 42%
Wind Speed S 7 mph
Barometer 29.90 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 15 Apr 2:45 pm EDT
Extended Forecast for

Onset MA

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly between midnight and 5am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 50. South wind 5 to 9 mph becoming light southwest after midnight. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Slight Chance
    T-storms then
    Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: A slight chance of showers before 9am. Patchy fog before 10am. Otherwise, mostly sunny, with a high near 62. Southwest wind 7 to 10 mph. Chance of precipitation is 20%.

    High: 62 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers. Mostly cloudy, with a low around 50. Southwest wind 6 to 9 mph. Chance of precipitation is 20%.

    Low: 50 °F

    Slight Chance
    Showers

  • Friday

    Friday: A chance of showers, mainly after noon. Partly sunny, with a high near 64. Southwest wind 5 to 8 mph becoming north in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers before 10pm. Mostly cloudy, with a low around 46. Northeast wind around 6 mph. Chance of precipitation is 20%.

    Low: 46 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 52. Northeast wind 6 to 8 mph.

    High: 52 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Cloudy, with a low around 46. East wind around 6 mph becoming light and variable in the evening.

    Low: 46 °F

    Cloudy

  • Sunday

    Sunday: Showers likely, mainly after 3pm. Cloudy, with a high near 54. Southwest wind 7 to 13 mph. Chance of precipitation is 60%.

    High: 54 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 37. West wind around 11 mph. Chance of precipitation is 60%.

    Low: 37 °F

    Showers
    Likely

Detailed Forecast

Tonight
A chance of showers and thunderstorms, mainly between midnight and 5am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 50. South wind 5 to 9 mph becoming light southwest after midnight. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A slight chance of showers before 9am. Patchy fog before 10am. Otherwise, mostly sunny, with a high near 62. Southwest wind 7 to 10 mph. Chance of precipitation is 20%.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 50. Southwest wind 6 to 9 mph. Chance of precipitation is 20%.
Friday
A chance of showers, mainly after noon. Partly sunny, with a high near 64. Southwest wind 5 to 8 mph becoming north in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A slight chance of showers before 10pm. Mostly cloudy, with a low around 46. Northeast wind around 6 mph. Chance of precipitation is 20%.
Saturday
Mostly cloudy, with a high near 52. Northeast wind 6 to 8 mph.
Saturday Night
Cloudy, with a low around 46. East wind around 6 mph becoming light and variable in the evening.
Sunday
Showers likely, mainly after 3pm. Cloudy, with a high near 54. Southwest wind 7 to 13 mph. Chance of precipitation is 60%.
Sunday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 37. West wind around 11 mph. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 46. West wind 11 to 13 mph.
Monday Night
Partly cloudy, with a low around 32. Northwest wind around 9 mph.
Tuesday
Sunny, with a high near 47. Northwest wind 7 to 11 mph becoming southwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 41. Southwest wind around 11 mph.
Wednesday
Partly sunny, with a high near 56. Southwest wind 10 to 13 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Onset MA
 41.73°N 70.66°W (Elev. 20 ft)
Last Update:
2:36 pm EDT Apr 15, 2026
Forecast Valid:
3pm EDT Apr 15, 2026-6pm EDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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