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.

Fair

57°F

14°C

Humidity 100%
Wind Speed Calm
Barometer 30.17 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 16 Aug 12:55 am EDT
Extended Forecast for

Sandwich MA

  • Overnight

    Overnight: Mostly clear, with a low around 58. Light west wind.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 77. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 77 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers, mainly after 5am. Mostly cloudy, with a low around 68. South wind 7 to 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 68 °F

    Partly Cloudy
    then Chance
    Showers

  • Monday

    Monday: Showers, mainly after 9am. Patchy fog before 9am. High near 77. South wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 77 °F

    Showers and
    Patchy Fog

  • Monday Night

    Monday Night: A slight chance of showers before 11pm, then a slight chance of showers after 2am. Mostly cloudy, with a low around 67. South wind around 5 mph becoming north in the evening. Chance of precipitation is 20%.

    Low: 67 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77. North wind 6 to 8 mph.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 69. Southwest wind around 7 mph.

    Low: 69 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 58. Light west wind.
Sunday
Mostly sunny, with a high near 77. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Sunday Night
A chance of showers, mainly after 5am. Mostly cloudy, with a low around 68. South wind 7 to 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers, mainly after 9am. Patchy fog before 9am. High near 77. South wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
A slight chance of showers before 11pm, then a slight chance of showers after 2am. Mostly cloudy, with a low around 67. South wind around 5 mph becoming north in the evening. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 77. North wind 6 to 8 mph.
Tuesday Night
Mostly clear, with a low around 66. Calm wind.
Wednesday
Sunny, with a high near 83. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 69. Southwest wind around 7 mph.
Thursday
A chance of showers after 8am. Partly sunny, with a high near 80. Southwest wind 7 to 9 mph. Chance of precipitation is 40%.
Thursday Night
Mostly cloudy, with a low around 65. Light and variable wind becoming north around 6 mph after midnight.
Friday
Mostly sunny, with a high near 74. Northeast wind around 9 mph.
Friday Night
Partly cloudy, with a low around 62. Light east wind.
Saturday
Mostly sunny, with a high near 75. East wind 6 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:
3:23 pm EDT Aug 15, 2026
Forecast Valid:
12am EDT Aug 16, 2026-6pm EDT Aug 22, 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