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

59°F

15°C

Humidity 59%
Wind Speed Calm
Barometer 30.21 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 21 May 4:55 pm EDT
Extended Forecast for

Bourne MA

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 47. Light and variable wind.

    Low: 47 °F

    Decreasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 61. Northeast wind around 10 mph, with gusts as high as 20 mph.

    High: 61 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 62. Calm wind becoming east 5 to 8 mph in the morning.

    High: 62 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Showers likely, mainly after 4am. Cloudy, with a low around 49. East wind 3 to 6 mph. Chance of precipitation is 60%.

    Low: 49 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers. High near 60. East wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.

    High: 60 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly before 1am. Cloudy, with a low around 52. East wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    Low: 52 °F

    Showers
    Likely

  • Memorial Day

    Memorial Day: A chance of showers. Cloudy, with a high near 67. Light and variable wind becoming northwest 5 to 7 mph in the morning. Chance of precipitation is 40%.

    High: 67 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers before 1am. Mostly cloudy, with a low around 54. Light southwest wind. Chance of precipitation is 30%.

    Low: 54 °F

    Chance
    Showers

Detailed Forecast

Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 47. Light and variable wind.
Friday
Mostly sunny, with a high near 61. Northeast wind around 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 48. Calm wind.
Saturday
Mostly cloudy, with a high near 62. Calm wind becoming east 5 to 8 mph in the morning.
Saturday Night
Showers likely, mainly after 4am. Cloudy, with a low around 49. East wind 3 to 6 mph. Chance of precipitation is 60%.
Sunday
Showers. High near 60. East wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.
Sunday Night
Showers likely, mainly before 1am. Cloudy, with a low around 52. East wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Memorial Day
A chance of showers. Cloudy, with a high near 67. Light and variable wind becoming northwest 5 to 7 mph in the morning. Chance of precipitation is 40%.
Monday Night
A chance of showers before 1am. Mostly cloudy, with a low around 54. Light southwest wind. Chance of precipitation is 30%.
Tuesday
Partly sunny, with a high near 73. Calm wind becoming west around 6 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 56. West wind 3 to 5 mph.
Wednesday
Mostly sunny, with a high near 74. Light and variable wind becoming north 5 to 8 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 54. Light west wind.
Thursday
Mostly sunny, with a high near 70. West wind 3 to 8 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Bourne MA
 41.74°N 70.59°W (Elev. 3 ft)
Last Update:
6:42 am EDT May 21, 2026
Forecast Valid:
5pm EDT May 21, 2026-6pm EDT May 28, 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