Hourly Weather Forecast - Hyannis, MA

12 AM
33°F
30%
11mph
NNW
30% Chance of Flurries
Humidity
78%
Feels like
24°F
Dew Point
27°F
1 AM
31°F
20%
11mph
NNW
Cloudy
Humidity
78%
Feels like
23°F
Dew Point
25°F
2 AM
30°F
20%
10mph
NNW
Cloudy
Humidity
78%
Feels like
21°F
Dew Point
24°F

Rain And Snow Totals Through Monday

Atmospheric River Impacts Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California through Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

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Today's Weather Outlook

Today's Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

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