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.

Overcast

50°F

10°C

Humidity 88%
Wind Speed N 12 G 22 mph
Barometer 29.92 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 17 Apr 3:56 pm EDT
Extended Forecast for

Onset MA

  • This Afternoon

    This Afternoon: A slight chance of rain. Patchy fog after 5pm. Otherwise, mostly cloudy, with a steady temperature around 51. Northeast wind around 10 mph. Chance of precipitation is 20%.

    High: 51 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Tonight

    Tonight: Patchy fog. Otherwise, mostly cloudy, with a low around 45. Northeast wind around 7 mph.

    Low: 45 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 49. Northeast wind around 10 mph.

    High: 49 °F

    Patchy Fog
    then Cloudy

  • Saturday Night

    Saturday Night: Showers likely, mainly after 4am. Patchy fog. Otherwise, cloudy, with a low around 44. Northeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 44 °F

    Showers
    Likely and
    Patchy Fog

  • Sunday

    Sunday: Rain before 4pm, then rain and snow likely. Some thunder is also possible. Patchy fog before 9am, then patchy fog after 2pm. High near 53. South wind 6 to 11 mph becoming west in the afternoon. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 53 °F

    Showers
    Likely and
    Patchy Fog
    then
    Rain/Snow and
    Patchy Fog

  • Sunday Night

    Sunday Night: Rain and snow likely before 8pm, then a chance of rain between 8pm and 2am. Patchy fog before 8pm. Otherwise, mostly cloudy, with a low around 36. West wind 8 to 11 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 36 °F

    Rain/Snow
    Likely and
    Patchy Fog
    then Slight
    Chance Rain

  • Monday

    Monday: Mostly sunny, with a high near 46. West wind around 9 mph.

    High: 46 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 35. West wind around 7 mph becoming north after midnight.

    Low: 35 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 45. North wind 6 to 8 mph becoming east in the afternoon.

    High: 45 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A slight chance of rain. Patchy fog after 5pm. Otherwise, mostly cloudy, with a steady temperature around 51. Northeast wind around 10 mph. Chance of precipitation is 20%.
Tonight
Patchy fog. Otherwise, mostly cloudy, with a low around 45. Northeast wind around 7 mph.
Saturday
Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 49. Northeast wind around 10 mph.
Saturday Night
Showers likely, mainly after 4am. Patchy fog. Otherwise, cloudy, with a low around 44. Northeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%.
Sunday
Rain before 4pm, then rain and snow likely. Some thunder is also possible. Patchy fog before 9am, then patchy fog after 2pm. High near 53. South wind 6 to 11 mph becoming west in the afternoon. Chance of precipitation is 80%. Little or no snow accumulation expected.
Sunday Night
Rain and snow likely before 8pm, then a chance of rain between 8pm and 2am. Patchy fog before 8pm. Otherwise, mostly cloudy, with a low around 36. West wind 8 to 11 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Monday
Mostly sunny, with a high near 46. West wind around 9 mph.
Monday Night
Mostly cloudy, with a low around 35. West wind around 7 mph becoming north after midnight.
Tuesday
Mostly sunny, with a high near 45. North wind 6 to 8 mph becoming east in the afternoon.
Tuesday Night
Partly cloudy, with a low around 40. South wind around 9 mph.
Wednesday
Partly sunny, with a high near 53. Southwest wind around 10 mph.
Wednesday Night
Partly cloudy, with a low around 40. Southwest wind around 6 mph becoming northwest after midnight.
Thursday
Mostly sunny, with a high near 53. North wind 5 to 8 mph.
Thursday Night
Partly cloudy, with a low around 42. Southwest wind around 5 mph becoming light and variable after midnight.
Friday
Mostly sunny, with a high near 53.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Onset MA
 41.73°N 70.66°W (Elev. 20 ft)
Last Update:
4:24 pm EDT Apr 17, 2026
Forecast Valid:
4pm EDT Apr 17, 2026-6pm EDT Apr 24, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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