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.

Partly Cloudy

73°F

23°C

Humidity 94%
Wind Speed SW 9 mph
Barometer 29.99 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 1 Aug 7:56 pm EDT
Extended Forecast for

Sandwich MA

  • Tonight

    Tonight: Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 68. Southwest wind 6 to 9 mph.

    Low: 68 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Mostly cloudy, with a high near 80. South wind 7 to 10 mph.

    High: 80 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Patchy fog after midnight. Low around 69. South wind 6 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Chance
    Showers then
    Heavy Rain
    and Patchy
    Fog

  • Monday

    Monday: Showers likely and possibly a thunderstorm, then showers after 9am. Patchy fog before 9am. High near 78. Southwest wind 11 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 78 °F

    Showers and
    Patchy Fog

  • Monday Night

    Monday Night: Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 68. Southwest wind 6 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

    Low: 68 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A slight chance of showers before 11am. Mostly sunny, with a high near 79. West wind 5 to 7 mph. Chance of precipitation is 20%.

    High: 79 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 68. South wind around 5 mph becoming calm in the evening.

    Low: 68 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 81. Calm wind becoming southwest 5 to 9 mph in the morning.

    High: 81 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 70. Southwest wind around 6 mph.

    Low: 70 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 68. Southwest wind 6 to 9 mph.
Sunday
Mostly cloudy, with a high near 80. South wind 7 to 10 mph.
Sunday Night
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Patchy fog after midnight. Low around 69. South wind 6 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Showers likely and possibly a thunderstorm, then showers after 9am. Patchy fog before 9am. High near 78. Southwest wind 11 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Monday Night
Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 68. Southwest wind 6 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Tuesday
A slight chance of showers before 11am. Mostly sunny, with a high near 79. West wind 5 to 7 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 68. South wind around 5 mph becoming calm in the evening.
Wednesday
Partly sunny, with a high near 81. Calm wind becoming southwest 5 to 9 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 70. Southwest wind around 6 mph.
Thursday
Mostly sunny, with a high near 82. Southwest wind 7 to 13 mph, with gusts as high as 23 mph.
Thursday Night
Partly cloudy, with a low around 71. Southwest wind 6 to 9 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 81. Southwest wind 6 to 10 mph.
Friday Night
Partly cloudy, with a low around 71. Southwest wind 6 to 8 mph.
Saturday
Mostly sunny, with a high near 81. Southwest wind 5 to 9 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sandwich MA
 41.75°N 70.5°W (Elev. 59 ft)
Last Update:
4:34 pm EDT Aug 1, 2026
Forecast Valid:
7pm EDT Aug 1, 2026-6pm EDT Aug 8, 2026
 
Forecast Discussion
 
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Additional Resources

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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