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

Storm Brings Rain and Snow to the Southwest U.S. this weekend; Heavy Snow and Rain for Alaska

A storm will pass through the southwestern U.S. this weekend with widespread rain and mountain snow. Rainfall will be mostly beneficial but poses a risk for dangerous debris flows over recent burn scars. A significant winter storm will impact Alaska through the weekend with heavy snow across western Alaska and heavy rainfall across Southcentral with strong winds and marine/coastal impacts. Read More >

Current conditions at

Half Moon Bay Airport (KHAF)

Lat: 37.5136°NLon: 122.4996°WElev: 65.0ft.

Mist

48°F

9°C

Humidity 87%
Wind Speed N 0 MPH
Barometer 29.76 in (1007.79 mb)
Dewpoint 45°F (7°C)
Visibility 5.00 mi
Last update 25 Jan 08:55 AM PST
Extended Forecast for

Half Moon Bay CA

  • Today

    Today: A 30 percent chance of rain after 10am. Partly sunny, with a high near 54. Northeast wind 7 to 16 mph, with gusts as high as 21 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Chance Rain

  • Tonight

    Tonight: A 50 percent chance of rain. Mostly cloudy, with a low around 39. East northeast wind 10 to 13 mph. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Chance Rain

  • Sunday

    Sunday: A 40 percent chance of rain, mainly before 4pm. Partly sunny, with a high near 56. East wind 10 to 14 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 56 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A 20 percent chance of rain before 10pm. Mostly clear, with a low around 38. Northeast wind 10 to 17 mph, with gusts as high as 22 mph.

    Low: 38 °F

    Slight Chance
    Rain then
    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 58. Calm wind becoming north northwest around 6 mph in the morning.

    High: 58 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

Detailed Forecast

Today
A 30 percent chance of rain after 10am. Partly sunny, with a high near 54. Northeast wind 7 to 16 mph, with gusts as high as 21 mph. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A 50 percent chance of rain. Mostly cloudy, with a low around 39. East northeast wind 10 to 13 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
A 40 percent chance of rain, mainly before 4pm. Partly sunny, with a high near 56. East wind 10 to 14 mph. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A 20 percent chance of rain before 10pm. Mostly clear, with a low around 38. Northeast wind 10 to 17 mph, with gusts as high as 22 mph.
Monday
Sunny, with a high near 58. Calm wind becoming north northwest around 6 mph in the morning.
Monday Night
Mostly clear, with a low around 39.
Tuesday
Sunny, with a high near 58.
Tuesday Night
Mostly clear, with a low around 41.
Wednesday
Mostly sunny, with a high near 58.
Wednesday Night
Partly cloudy, with a low around 40.
Thursday
Partly sunny, with a high near 58.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 44.
Friday
A chance of rain. Mostly cloudy, with a high near 57.
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Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Half Moon Bay CA
 37.48°N 122.42°W (Elev. 397 ft)
Last Update:
8:41 am PST Jan 25, 2025
Forecast Valid:
9am PST Jan 25, 2025-6pm PST Jan 31, 2025
 
Forecast Discussion
 
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Additional Resources

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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