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.

A Few Clouds

66°F

19°C

Humidity 100%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 66°F (19°C)
Visibility 8.00 mi
Last update 31 Aug 2:55 am EDT
Extended Forecast for

Sandwich MA

  • Overnight

    Overnight: Mostly cloudy, with a low around 65. Northwest wind around 6 mph.

    Low: 65 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 72. Northeast wind around 8 mph.

    High: 72 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers after 2am. Increasing clouds, with a low around 63. South wind 3 to 5 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 63 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: Showers likely, mainly between 10am and 1pm. Patchy fog between 2pm and 3pm. Otherwise, cloudy, with a high near 70. Southeast wind 6 to 10 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 70 °F

    Showers
    Likely and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly before 10pm. Mostly cloudy, with a low around 62. East wind 6 to 8 mph. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 71. Southeast wind around 9 mph.

    High: 71 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 64. Southeast wind around 5 mph. Chance of precipitation is 80%.

    Low: 64 °F

    Chance
    T-storms then
    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm, mainly before 2pm, then a chance of showers and thunderstorms after 2pm. High near 76. South wind 7 to 9 mph. Chance of precipitation is 80%.

    High: 76 °F

    Showers

  • Thursday Night

    Thursday Night: A chance of showers before 1am. Mostly cloudy, with a low around 64. Northwest wind 3 to 5 mph. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 65. Northwest wind around 6 mph.
Monday
Mostly sunny, with a high near 72. Northeast wind around 8 mph.
Monday Night
A chance of showers after 2am. Increasing clouds, with a low around 63. South wind 3 to 5 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Showers likely, mainly between 10am and 1pm. Patchy fog between 2pm and 3pm. Otherwise, cloudy, with a high near 70. Southeast wind 6 to 10 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
A chance of showers, mainly before 10pm. Mostly cloudy, with a low around 62. East wind 6 to 8 mph. Chance of precipitation is 30%.
Wednesday
Mostly cloudy, with a high near 71. Southeast wind around 9 mph.
Wednesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 64. Southeast wind around 5 mph. Chance of precipitation is 80%.
Thursday
Showers and possibly a thunderstorm, mainly before 2pm, then a chance of showers and thunderstorms after 2pm. High near 76. South wind 7 to 9 mph. Chance of precipitation is 80%.
Thursday Night
A chance of showers before 1am. Mostly cloudy, with a low around 64. Northwest wind 3 to 5 mph. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 72. North wind 7 to 9 mph.
Friday Night
Partly cloudy, with a low around 61. North wind 5 to 8 mph.
Saturday
Mostly sunny, with a high near 69. North wind around 14 mph, with gusts as high as 24 mph.
Saturday Night
Partly cloudy, with a low around 60. North wind 5 to 7 mph.
Sunday
Mostly sunny, with a high near 70. North wind 9 to 11 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:
2:00 am EDT Aug 31, 2026
Forecast Valid:
3am EDT Aug 31, 2026-6pm EDT Sep 6, 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