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

64°F

18°C

Humidity 88%
Wind Speed E 6 mph
Barometer 30.18 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 2 Sep 7:56 am EDT
Extended Forecast for

Sandwich MA

  • Today

    Today: Mostly sunny, with a high near 70. East wind 8 to 10 mph.

    High: 70 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 64. Southeast wind around 6 mph. Chance of precipitation is 30%.

    Low: 64 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: Showers and thunderstorms before 11am, then a chance of showers between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Patchy fog before 11am. High near 74. South wind 11 to 13 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Showers and
    Patchy Fog
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of thunderstorms before 9pm, then a slight chance of showers between 9pm and 1am. Mostly cloudy, with a low around 67. Southwest wind around 6 mph becoming northwest after midnight. Chance of precipitation is 20%.

    Low: 67 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 76. Northwest wind 5 to 8 mph.

    High: 76 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 64. Calm wind becoming northwest 5 to 8 mph in the evening.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 69. North wind 11 to 13 mph.

    High: 69 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 61. North wind 9 to 13 mph.

    Low: 61 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 67. North wind 13 to 16 mph.

    High: 67 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 70. East wind 8 to 10 mph.
Tonight
A chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 64. Southeast wind around 6 mph. Chance of precipitation is 30%.
Thursday
Showers and thunderstorms before 11am, then a chance of showers between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Patchy fog before 11am. High near 74. South wind 11 to 13 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A slight chance of thunderstorms before 9pm, then a slight chance of showers between 9pm and 1am. Mostly cloudy, with a low around 67. Southwest wind around 6 mph becoming northwest after midnight. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 76. Northwest wind 5 to 8 mph.
Friday Night
Mostly clear, with a low around 64. Calm wind becoming northwest 5 to 8 mph in the evening.
Saturday
Mostly sunny, with a high near 69. North wind 11 to 13 mph.
Saturday Night
Partly cloudy, with a low around 61. North wind 9 to 13 mph.
Sunday
Mostly sunny, with a high near 67. North wind 13 to 16 mph.
Sunday Night
Mostly clear, with a low around 60. Calm wind becoming northwest around 6 mph after midnight.
Labor Day
Sunny, with a high near 71. Northwest wind around 7 mph becoming northeast in the afternoon.
Monday Night
Partly cloudy, with a low around 63. Southwest wind around 6 mph.
Tuesday
Mostly sunny, with a high near 73. Southwest wind 7 to 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sandwich MA
 41.78°N 70.5°W (Elev. 3 ft)
Last Update:
7:41 am EDT Sep 2, 2026
Forecast Valid:
7am EDT Sep 2, 2026-6pm EDT Sep 8, 2026
 
Forecast Discussion
 
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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