Hazardous Weather Conditions
Current conditions at
Otis Air National Guard Base (KFMH)
Lat: 41.65°NLon: 70.52°WElev: 131ft.
Partly Cloudy
37°F
3°C
| Humidity | 75% |
| Wind Speed | SE 9 G 22 mph |
| Barometer | 30.48 in |
| Dewpoint | 30°F (-1°C) |
| Visibility | 10.00 mi |
| Wind Chill | 30°F (-1°C) |
| Last update | 15 Mar 7:56 pm EDT |
Extended Forecast for
Onset MA
Flood Watch March 16, 05:00am until March 17, 08:00am
High Wind Watch March 16, 05:00pm until March 17, 06:00am
Tonight
Low: 36 °F
Mostly Cloudy
then Heavy
RainMonday
High: 55 °F
Heavy Rain
and Patchy
FogMonday Night

Low: 39 °F
Heavy Rain
and Areas FogTuesday
High: 44 °F
Showers then
Mostly SunnyTuesday Night

Low: 24 °F
Partly Cloudy
Wednesday

High: 35 °F
Sunny
Wednesday Night

Low: 28 °F
Mostly Cloudy
Thursday

High: 38 °F
Partly Sunny
Thursday Night

Low: 30 °F
Partly Cloudy
Detailed Forecast
Tonight
A chance of showers, mainly after 5am. The rain could be heavy at times. Increasing clouds, with a low around 36. Southeast wind 8 to 14 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Some of the storms could produce heavy rainfall. Patchy fog. High near 55. Breezy, with a south wind 21 to 23 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Showers and thunderstorms before 11pm, then showers and possibly a thunderstorm between 11pm and 2am, then showers after 2am. Some of the storms could produce heavy rainfall. Areas of fog. Low around 39. Windy, with a south wind 23 to 30 mph, with gusts as high as 60 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
Showers, mainly before 8am. High near 44. Southwest wind around 18 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Partly cloudy, with a low around 24. West wind around 14 mph, with gusts as high as 24 mph.
Wednesday
Sunny, with a high near 35. Northwest wind 6 to 9 mph.
Wednesday Night
Mostly cloudy, with a low around 28. South wind 5 to 7 mph becoming calm in the evening.
Thursday
Partly sunny, with a high near 38. South wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 30. South wind 3 to 7 mph.
Friday
Mostly sunny, with a high near 43. Southwest wind 5 to 8 mph.
Friday Night
Mostly cloudy, with a low around 33. Southwest wind 6 to 8 mph.
Saturday
A chance of rain. Partly sunny, with a high near 45. Southwest wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Saturday Night
Mostly cloudy, with a low around 31. West wind 11 to 15 mph.
Sunday
Mostly sunny, with a high near 41. West wind 15 to 17 mph.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Onset MA
41.73°N 70.66°W (Elev. 20 ft)
41.73°N 70.66°W (Elev. 20 ft)
6:15 pm EDT Mar 15, 2026
8pm EDT Mar 15, 2026-6pm EDT Mar 22, 2026



