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

Critical Fire Weather in the Southern High Plains; Heavy Snow in the Great Lakes and Northeast U.S.

Gusty winds and low relative humidity will bring elevated to critical fire weather conditions to the southern High Plains through the weekend. A winter storm will track across the Great Lakes and Northeast U.S. into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. Read More >

Current conditions at

Half Moon Bay Airport (KHAF)

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

Clear

43°F

6°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 20 Feb 06:35 PM PST
Extended Forecast for

Half Moon Bay CA

  • Tonight

    Tonight: Increasing clouds, with a low around 40. Calm wind becoming southeast 5 to 9 mph in the evening. Winds could gust as high as 18 mph.

    Low: 40 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 59. Breezy, with a south wind 14 to 22 mph, with gusts as high as 37 mph.

    High: 59 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: A 30 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 48. South southeast wind around 21 mph, with gusts as high as 38 mph.

    Low: 48 °F

    Chance Rain

  • Sunday

    Sunday: A 30 percent chance of rain before 10am. Partly sunny, with a high near 64. Breezy, with a south wind 21 to 23 mph, with gusts as high as 34 mph.

    High: 64 °F

    Breezy.
    Chance Rain
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 47. Southeast wind 6 to 9 mph.

    Low: 47 °F

    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of rain after 4pm. Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny
    then Chance
    Rain

  • Monday Night

    Monday Night: Rain likely, mainly after 10pm. Cloudy, with a low around 53. Chance of precipitation is 60%.

    Low: 53 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain. Cloudy, with a high near 63.

    High: 63 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain. Cloudy, with a low around 52.

    Low: 52 °F

    Rain

Detailed Forecast

Tonight
Increasing clouds, with a low around 40. Calm wind becoming southeast 5 to 9 mph in the evening. Winds could gust as high as 18 mph.
Saturday
Mostly sunny, with a high near 59. Breezy, with a south wind 14 to 22 mph, with gusts as high as 37 mph.
Saturday Night
A 30 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 48. South southeast wind around 21 mph, with gusts as high as 38 mph.
Sunday
A 30 percent chance of rain before 10am. Partly sunny, with a high near 64. Breezy, with a south wind 21 to 23 mph, with gusts as high as 34 mph.
Sunday Night
Mostly cloudy, with a low around 47. Southeast wind 6 to 9 mph.
Monday
A 30 percent chance of rain after 4pm. Partly sunny, with a high near 67.
Monday Night
Rain likely, mainly after 10pm. Cloudy, with a low around 53. Chance of precipitation is 60%.
Tuesday
Rain. Cloudy, with a high near 63.
Tuesday Night
Rain. Cloudy, with a low around 52.
Wednesday
A chance of rain. Mostly cloudy, with a high near 64.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 50.
Thursday
A chance of rain. Partly sunny, with a high near 67.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 50.
Friday
A slight chance of rain. Mostly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Half Moon Bay CA
 37.48°N 122.42°W (Elev. 397 ft)
Last Update:
2:25 pm PST Feb 20, 2026
Forecast Valid:
6pm PST Feb 20, 2026-6pm PST Feb 27, 2026
 
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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