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.

Fog/Mist

64°F

18°C

Humidity 100%
Wind Speed SW 5 mph
Barometer 29.56 in
Dewpoint 64°F (18°C)
Visibility 5.00 mi
Last update 18 Jun 11:55 pm EDT
Extended Forecast for

Onset MA

  • Tonight

    Tonight: Partly cloudy, with a low around 64. Southwest wind 6 to 11 mph.

    Low: 64 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 79. Southwest wind 9 to 14 mph, with gusts as high as 25 mph.

    High: 79 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62. West wind 6 to 8 mph.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 79. West wind 11 to 14 mph, with gusts as high as 24 mph.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61. West wind 3 to 7 mph.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: A chance of showers, mainly after 2pm. Mostly sunny, with a high near 77. Northwest wind 5 to 7 mph becoming south in the afternoon. Chance of precipitation is 30%.

    High: 77 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 8pm. Partly cloudy, with a low around 61. Light south wind. Chance of precipitation is 30%.

    Low: 61 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Showers likely, mainly after 5pm. The rain could be heavy at times. Partly sunny, with a high near 77. Light and variable wind becoming south 5 to 10 mph in the afternoon. Chance of precipitation is 60%.

    High: 77 °F

    Chance
    Showers then
    Heavy Rain

  • Monday Night

    Monday Night: Showers. The rain could be heavy at times. Low around 62. South wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    Low: 62 °F

    Heavy Rain

Detailed Forecast

Tonight
Partly cloudy, with a low around 64. Southwest wind 6 to 11 mph.
Juneteenth
Mostly sunny, with a high near 79. Southwest wind 9 to 14 mph, with gusts as high as 25 mph.
Friday Night
Mostly clear, with a low around 62. West wind 6 to 8 mph.
Saturday
Sunny, with a high near 79. West wind 11 to 14 mph, with gusts as high as 24 mph.
Saturday Night
Mostly clear, with a low around 61. West wind 3 to 7 mph.
Sunday
A chance of showers, mainly after 2pm. Mostly sunny, with a high near 77. Northwest wind 5 to 7 mph becoming south in the afternoon. Chance of precipitation is 30%.
Sunday Night
A chance of showers before 8pm. Partly cloudy, with a low around 61. Light south wind. Chance of precipitation is 30%.
Monday
Showers likely, mainly after 5pm. The rain could be heavy at times. Partly sunny, with a high near 77. Light and variable wind becoming south 5 to 10 mph in the afternoon. Chance of precipitation is 60%.
Monday Night
Showers. The rain could be heavy at times. Low around 62. South wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Tuesday
Showers likely, mainly before 8am. Partly sunny, with a high near 80. West wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Tuesday Night
Partly cloudy, with a low around 62. South wind around 5 mph becoming light and variable in the evening.
Wednesday
Mostly sunny, with a high near 81. Calm wind becoming west 5 to 7 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 62. Southwest wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 80. Calm wind becoming south 5 to 9 mph in the morning.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Onset MA
 41.75°N 70.65°W (Elev. 10 ft)
Last Update:
3:27 pm EDT Jun 18, 2026
Forecast Valid:
11pm EDT Jun 18, 2026-6pm EDT Jun 25, 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