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.

A Few Clouds

37°F

3°C

Humidity 100%
Wind Speed Calm
Barometer 30.03 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 11 Mar 4:56 am EDT
Extended Forecast for

Onset MA

  • Today

    Today: Patchy fog after 3pm. Otherwise, mostly cloudy, with a high near 50. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 50 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Tonight

    Tonight: A chance of rain and thunderstorms, mainly after 9pm. Patchy fog before 7pm. Otherwise, cloudy, with a low around 46. South wind 11 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 46 °F

    Chance Rain
    and Patchy
    Fog

  • Thursday

    Thursday: Rain. Temperature rising to near 47 by 9am, then falling to around 37 during the remainder of the day. Southwest wind 14 to 17 mph becoming west in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F⇓

    Rain

  • Thursday Night

    Thursday Night: A chance of snow, mainly before 8pm. Cloudy during the early evening, then gradual clearing, with a low around 30. West wind 10 to 13 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 30 °F

    Chance Snow
    then Mostly
    Clear

  • Friday

    Friday: Mostly sunny, with a high near 42. Southwest wind 7 to 14 mph.

    High: 42 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of rain, mainly after 8pm. Mostly cloudy, with a low around 36. South wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.

    Low: 36 °F

    Chance Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 44. West wind around 18 mph, with gusts as high as 30 mph.

    High: 44 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 29. West wind 6 to 11 mph.

    Low: 29 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 44. Light and variable wind becoming southeast 5 to 8 mph in the afternoon.

    High: 44 °F

    Mostly Cloudy

Detailed Forecast

Today
Patchy fog after 3pm. Otherwise, mostly cloudy, with a high near 50. Calm wind becoming south 5 to 8 mph in the afternoon.
Tonight
A chance of rain and thunderstorms, mainly after 9pm. Patchy fog before 7pm. Otherwise, cloudy, with a low around 46. South wind 11 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Rain. Temperature rising to near 47 by 9am, then falling to around 37 during the remainder of the day. Southwest wind 14 to 17 mph becoming west in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A chance of snow, mainly before 8pm. Cloudy during the early evening, then gradual clearing, with a low around 30. West wind 10 to 13 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday
Mostly sunny, with a high near 42. Southwest wind 7 to 14 mph.
Friday Night
A chance of rain, mainly after 8pm. Mostly cloudy, with a low around 36. South wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 44. West wind around 18 mph, with gusts as high as 30 mph.
Saturday Night
Partly cloudy, with a low around 29. West wind 6 to 11 mph.
Sunday
Mostly cloudy, with a high near 44. Light and variable wind becoming southeast 5 to 8 mph in the afternoon.
Sunday Night
Rain likely, mainly after 4am. Cloudy, with a low around 36. Breezy, with a southeast wind 10 to 15 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 60%.
Monday
Rain. High near 52. Windy, with a south wind 24 to 28 mph, with gusts as high as 46 mph. Chance of precipitation is 90%.
Monday Night
A chance of rain. Mostly cloudy, with a low around 32. Breezy, with a west wind 15 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 50%.
Tuesday
Mostly sunny, with a high near 40. West wind 11 to 15 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Onset MA
 41.73°N 70.66°W (Elev. 20 ft)
Last Update:
2:50 am EDT Mar 11, 2026
Forecast Valid:
5am EDT Mar 11, 2026-6pm EDT Mar 17, 2026
 
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