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.

Mostly Cloudy

77°F

25°C

Humidity 44%
Wind Speed W 18 G 25 mph
Barometer 29.64 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 20 Jun 1:56 pm EDT
Extended Forecast for

Bourne MA

  • This Afternoon

    This Afternoon: Sunny, with a high near 71. West wind around 17 mph, with gusts as high as 29 mph.

    High: 71 °F

    Sunny

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Mostly cloudy, then gradually becoming clear, with a low around 62. West wind 5 to 9 mph. Chance of precipitation is 20%.

    Low: 62 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 70. Southwest wind 6 to 13 mph.

    High: 70 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 63. Southwest wind around 6 mph becoming calm in the evening.

    Low: 63 °F

    Partly Cloudy

  • Monday

    Monday: Showers likely, with thunderstorms also possible after 5pm. Partly sunny, with a high near 68. Light and variable wind becoming south 8 to 13 mph in the afternoon. Chance of precipitation is 60%.

    High: 68 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 64. Breezy, with a southeast wind 15 to 20 mph. Chance of precipitation is 100%.

    Low: 64 °F

    Showers and
    Breezy

  • Tuesday

    Tuesday: Showers likely, mainly before 8am. Partly sunny, with a high near 70. Northwest wind 9 to 11 mph. Chance of precipitation is 60%.

    High: 70 °F

    Showers
    Likely then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 64. West wind 3 to 5 mph.

    Low: 64 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 70. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 70 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 71. West wind around 17 mph, with gusts as high as 29 mph.
Tonight
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Mostly cloudy, then gradually becoming clear, with a low around 62. West wind 5 to 9 mph. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 70. Southwest wind 6 to 13 mph.
Sunday Night
Partly cloudy, with a low around 63. Southwest wind around 6 mph becoming calm in the evening.
Monday
Showers likely, with thunderstorms also possible after 5pm. Partly sunny, with a high near 68. Light and variable wind becoming south 8 to 13 mph in the afternoon. Chance of precipitation is 60%.
Monday Night
Showers and possibly a thunderstorm. Low around 64. Breezy, with a southeast wind 15 to 20 mph. Chance of precipitation is 100%.
Tuesday
Showers likely, mainly before 8am. Partly sunny, with a high near 70. Northwest wind 9 to 11 mph. Chance of precipitation is 60%.
Tuesday Night
Partly cloudy, with a low around 64. West wind 3 to 5 mph.
Wednesday
Sunny, with a high near 70. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 64. South wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 69. Calm wind becoming south 5 to 9 mph in the morning.
Thursday Night
Partly cloudy, with a low around 64. South wind around 6 mph becoming calm in the evening.
Friday
A chance of showers. Partly sunny, with a high near 70. Calm wind becoming south 5 to 8 mph in the morning. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Bourne MA
 41.73°N 70.63°W (Elev. 3 ft)
Last Update:
12:35 pm EDT Jun 20, 2026
Forecast Valid:
2pm EDT Jun 20, 2026-6pm EDT Jun 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation