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.

Mostly Cloudy

70°F

21°C

Humidity 83%
Wind Speed SE 9 mph
Barometer 30.11 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 13 Jul 6:56 pm EDT
Extended Forecast for

Onset MA

  • Tonight

    Tonight: Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 67. South wind 5 to 7 mph becoming calm in the evening.

    Low: 67 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Cloudy through mid morning, then gradual clearing, with a high near 77. Light south wind becoming southwest 5 to 10 mph in the morning.

    High: 77 °F

    Gradual
    Clearing

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 5am, then a slight chance of showers and thunderstorms after 5am. Patchy fog after midnight. Otherwise, increasing clouds, with a low around 70. Southwest wind 6 to 8 mph. Chance of precipitation is 20%.

    Low: 70 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms before 11am, then a slight chance of showers between 11am and 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 80. Southwest wind 6 to 10 mph. Chance of precipitation is 20%.

    High: 80 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 71. Southwest wind 6 to 8 mph.

    Low: 71 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 82. Southwest wind 6 to 11 mph.

    High: 82 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 72. Southwest wind 7 to 9 mph.

    Low: 72 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 82. Southwest wind 8 to 14 mph.

    High: 82 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 73. Southwest wind 8 to 10 mph.

    Low: 73 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 67. South wind 5 to 7 mph becoming calm in the evening.
Monday
Cloudy through mid morning, then gradual clearing, with a high near 77. Light south wind becoming southwest 5 to 10 mph in the morning.
Monday Night
A slight chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 5am, then a slight chance of showers and thunderstorms after 5am. Patchy fog after midnight. Otherwise, increasing clouds, with a low around 70. Southwest wind 6 to 8 mph. Chance of precipitation is 20%.
Tuesday
A slight chance of showers and thunderstorms before 11am, then a slight chance of showers between 11am and 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 80. Southwest wind 6 to 10 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 71. Southwest wind 6 to 8 mph.
Wednesday
Mostly sunny, with a high near 82. Southwest wind 6 to 11 mph.
Wednesday Night
Mostly cloudy, with a low around 72. Southwest wind 7 to 9 mph.
Thursday
Partly sunny, with a high near 82. Southwest wind 8 to 14 mph.
Thursday Night
Mostly cloudy, with a low around 73. Southwest wind 8 to 10 mph.
Friday
Mostly sunny, with a high near 84. Southwest wind 8 to 13 mph.
Friday Night
A chance of showers. Mostly cloudy, with a low around 70. Southwest wind 6 to 8 mph. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 81. North wind 7 to 10 mph becoming northeast in the afternoon.
Saturday Night
Mostly cloudy, with a low around 68. South wind around 6 mph becoming northwest after midnight.
Sunday
Partly sunny, with a high near 78. North wind 6 to 10 mph becoming southeast in the afternoon.
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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:
6:05 pm EDT Jul 13, 2025
Forecast Valid:
7pm EDT Jul 13, 2025-6pm EDT Jul 20, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation