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.

Overcast

37°F

3°C

Humidity 87%
Wind Speed W 20 G 25 mph
Barometer 30.06 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 17 Jan 6:57 pm EST
Extended Forecast for

Onset MA

Winter Weather Advisory January 18, 10:00am until January 19, 04:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: Mostly cloudy, with a low around 31. West wind 5 to 9 mph becoming light southwest after midnight.

    Low: 31 °F

    Mostly Cloudy

  • Sunday

    Sunday: Snow, possibly mixed with rain, mainly after noon. High near 37. Light and variable wind becoming southwest around 6 mph in the morning. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Chance
    Rain/Snow
    then
    Rain/Snow

  • Sunday Night

    Sunday Night: Snow, mainly before 2am. The snow could be heavy at times. Low around 27. Northeast wind 6 to 8 mph becoming northwest after midnight. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 27 °F

    Heavy Snow

  • M.L.King Day

    M.L.King Day: A slight chance of snow between 8am and 9am. Mostly sunny, with a high near 34. Southwest wind 7 to 17 mph. Chance of precipitation is 20%.

    High: 34 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 20. West wind around 15 mph.

    Low: 20 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 25. West wind around 14 mph.

    High: 25 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 16. West wind 9 to 11 mph.

    Low: 16 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 37. Southwest wind 7 to 14 mph.

    High: 37 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 30. Southwest wind around 14 mph.

    Low: 30 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 31. West wind 5 to 9 mph becoming light southwest after midnight.
Sunday
Snow, possibly mixed with rain, mainly after noon. High near 37. Light and variable wind becoming southwest around 6 mph in the morning. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Sunday Night
Snow, mainly before 2am. The snow could be heavy at times. Low around 27. Northeast wind 6 to 8 mph becoming northwest after midnight. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
M.L.King Day
A slight chance of snow between 8am and 9am. Mostly sunny, with a high near 34. Southwest wind 7 to 17 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 20. West wind around 15 mph.
Tuesday
Mostly sunny, with a high near 25. West wind around 14 mph.
Tuesday Night
Mostly clear, with a low around 16. West wind 9 to 11 mph.
Wednesday
Mostly sunny, with a high near 37. Southwest wind 7 to 14 mph.
Wednesday Night
Mostly cloudy, with a low around 30. Southwest wind around 14 mph.
Thursday
A chance of rain between 1pm and 4pm, then a chance of snow after 4pm. Mostly cloudy, with a high near 38. Southwest wind 11 to 14 mph. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 21. Northwest wind around 11 mph.
Friday
Mostly sunny, with a high near 30. West wind around 11 mph.
Friday Night
Mostly cloudy, with a low around 23. West wind around 10 mph.
Saturday
Partly sunny, with a high near 31. West wind around 11 mph.
Basemap Options
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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:
1:13 pm EST Jan 17, 2026
Forecast Valid:
9pm EST Jan 17, 2026-6pm EST Jan 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation