National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Otis Air National Guard Base (KFMH)

Lat: 41.65°NLon: 70.52°WElev: 131ft.

Partly Cloudy

72°F

22°C

Humidity 88%
Wind Speed SW 14 G 23 mph
Barometer 29.96 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 1 Jul 6:56 am EDT
Extended Forecast for

Sandwich MA

Heat Advisory July 1, 10:00am until July 4, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: A chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 83. Breezy, with a southwest wind 17 to 21 mph. Chance of precipitation is 30%.

    High: 83 °F

    Chance
    Showers and
    Breezy

  • Tonight

    Tonight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Breezy, with a southwest wind 17 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Chance
    Showers and
    Breezy

  • Thursday

    Thursday: A slight chance of showers and thunderstorms before 11am. Mostly sunny, with a high near 87. Southwest wind around 16 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    High: 87 °F

    Slight Chance
    T-storms then
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 73. Southwest wind 9 to 15 mph.

    Low: 73 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny and hot, with a high near 93. West wind 7 to 10 mph.

    High: 93 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 73. West wind 5 to 9 mph.

    Low: 73 °F

    Mostly Clear

  • Independence Day

    Independence Day: Sunny, with a high near 88. Light and variable wind becoming southwest 5 to 7 mph in the morning.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: A chance of showers between 7pm and midnight. Mostly cloudy, with a low around 68. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers after 3pm. Mostly sunny, with a high near 83. Light and variable wind becoming north 5 to 7 mph in the morning. Chance of precipitation is 30%.

    High: 83 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Today
A chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 83. Breezy, with a southwest wind 17 to 21 mph. Chance of precipitation is 30%.
Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Breezy, with a southwest wind 17 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A slight chance of showers and thunderstorms before 11am. Mostly sunny, with a high near 87. Southwest wind around 16 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 73. Southwest wind 9 to 15 mph.
Friday
Mostly sunny and hot, with a high near 93. West wind 7 to 10 mph.
Friday Night
Mostly clear, with a low around 73. West wind 5 to 9 mph.
Independence Day
Sunny, with a high near 88. Light and variable wind becoming southwest 5 to 7 mph in the morning.
Saturday Night
A chance of showers between 7pm and midnight. Mostly cloudy, with a low around 68. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Sunday
A chance of showers after 3pm. Mostly sunny, with a high near 83. Light and variable wind becoming north 5 to 7 mph in the morning. Chance of precipitation is 30%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 69. Light south wind. Chance of precipitation is 50%.
Monday
A chance of showers. Mostly cloudy, with a high near 79. East wind 3 to 8 mph. Chance of precipitation is 50%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 63. East wind 3 to 5 mph. Chance of precipitation is 40%.
Tuesday
Mostly sunny, with a high near 78. Northeast wind 6 to 9 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sandwich MA
 41.75°N 70.5°W (Elev. 59 ft)
Last Update:
4:30 am EDT Jul 1, 2026
Forecast Valid:
7am EDT Jul 1, 2026-6pm EDT Jul 7, 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