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

36°F

2°C

Humidity 75%
Wind Speed NE 6 mph
Barometer 30.05 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 22 Mar 1:56 am EDT
Extended Forecast for

Onset MA

  • Overnight

    Overnight: Mostly cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain likely, mainly after 2pm. Cloudy, with a high near 46. South wind 8 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 46 °F

    Slight Chance
    Rain then
    Rain Likely

  • Sunday Night

    Sunday Night: Rain. Low around 36. Southwest wind 5 to 15 mph becoming north after midnight. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 36 °F

    Rain

  • Monday

    Monday: Rain and sleet likely before 1pm, then a chance of rain and snow showers between 1pm and 2pm, then scattered snow showers after 2pm. Cloudy, with a high near 36. North wind around 16 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New snow and sleet accumulation of less than a half inch possible.

    High: 36 °F

    Wintry Mix
    Likely

  • Monday Night

    Monday Night: Scattered snow showers before 9pm. Mostly cloudy, with a low around 30. Northwest wind around 10 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Scattered
    Snow Showers
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 40. North wind 6 to 8 mph.

    High: 40 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 33. Southwest wind around 10 mph.

    Low: 33 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 45. Southwest wind 10 to 15 mph.

    High: 45 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 35. Southwest wind 7 to 9 mph.

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 35. Calm wind.
Sunday
Rain likely, mainly after 2pm. Cloudy, with a high near 46. South wind 8 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain. Low around 36. Southwest wind 5 to 15 mph becoming north after midnight. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
Rain and sleet likely before 1pm, then a chance of rain and snow showers between 1pm and 2pm, then scattered snow showers after 2pm. Cloudy, with a high near 36. North wind around 16 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New snow and sleet accumulation of less than a half inch possible.
Monday Night
Scattered snow showers before 9pm. Mostly cloudy, with a low around 30. Northwest wind around 10 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Tuesday
Mostly sunny, with a high near 40. North wind 6 to 8 mph.
Tuesday Night
Mostly cloudy, with a low around 33. Southwest wind around 10 mph.
Wednesday
Partly sunny, with a high near 45. Southwest wind 10 to 15 mph.
Wednesday Night
Mostly cloudy, with a low around 35. Southwest wind 7 to 9 mph.
Thursday
A chance of rain between 1pm and 2pm. Partly sunny, with a high near 47. South wind 8 to 13 mph. Chance of precipitation is 30%.
Thursday Night
Rain likely. Cloudy, with a low around 40. Southwest wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Friday
Rain likely. Mostly sunny, with a high near 47. Northwest wind around 14 mph. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 25. North wind around 10 mph.
Saturday
Sunny, with a high near 36. North wind around 9 mph becoming west in the afternoon.
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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:
1:44 am EDT Mar 22, 2026
Forecast Valid:
2am EDT Mar 22, 2026-6pm EDT Mar 28, 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