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

Widespread Rain from Texas to the Central Appalachians; Heavy to Excessive Rainfall in Southern California and the Southwest

Scattered thunderstorms and widespread showers are expected from the Texas coast to the central Appalachians today. Heavy to excessive rainfall will continue in southern California into the Desert Southwest through Saturday. Heavy rain will pose a risk of flash flooding, especially across burn scar and urbanized regions. Read More >

Current conditions at

Nantucket, Nantucket Memorial Airport (KACK)

Lat: 41.25°NLon: 70.06°WElev: 46ft.

Fair

48°F

9°C

Humidity 56%
Wind Speed S 8 mph
Barometer 30.09 in (1019.0 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 21 Nov 9:53 am EST
Extended Forecast for

2 Miles E Siasconset MA

  • Today

    Today: Mostly cloudy, with a high near 49. Southwest wind 8 to 13 mph.

    High: 49 °F

    Mostly Cloudy

  • Tonight

    Tonight: A slight chance of showers before 9pm, then a chance of showers after 2am. Cloudy, with a low around 43. Southwest wind 6 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers, mainly before 11am. High near 49. North wind 7 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 49 °F

    Showers then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 33. North wind 7 to 10 mph, with gusts as high as 22 mph.

    Low: 33 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 44. West wind 9 to 11 mph.

    High: 44 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 42. West wind around 11 mph.

    Low: 42 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 48. Northwest wind around 14 mph.

    High: 48 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 43. Northwest wind 7 to 10 mph.

    Low: 43 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 49. South wind 7 to 11 mph.

    High: 49 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly cloudy, with a high near 49. Southwest wind 8 to 13 mph.
Tonight
A slight chance of showers before 9pm, then a chance of showers after 2am. Cloudy, with a low around 43. Southwest wind 6 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers, mainly before 11am. High near 49. North wind 7 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Mostly clear, with a low around 33. North wind 7 to 10 mph, with gusts as high as 22 mph.
Sunday
Mostly sunny, with a high near 44. West wind 9 to 11 mph.
Sunday Night
Partly cloudy, with a low around 42. West wind around 11 mph.
Monday
Sunny, with a high near 48. Northwest wind around 14 mph.
Monday Night
Partly cloudy, with a low around 43. Northwest wind 7 to 10 mph.
Tuesday
Mostly cloudy, with a high near 49. South wind 7 to 11 mph.
Tuesday Night
Rain likely, mainly after midnight. Cloudy, with a low around 47. South wind 10 to 13 mph. Chance of precipitation is 70%.
Wednesday
Rain likely. Mostly cloudy, with a high near 52. Southwest wind around 14 mph. Chance of precipitation is 60%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 46. South wind 11 to 13 mph. Chance of precipitation is 50%.
Thanksgiving Day
A chance of rain. Partly sunny, with a high near 50. Southwest wind 14 to 16 mph. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Siasconset MA
 41.28°N 69.97°W (Elev. 56 ft)
Last Update:
10:46 am EST Nov 21, 2025
Forecast Valid:
10am EST Nov 21, 2025-6pm EST Nov 27, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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