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

Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Current conditions at

Half Moon Bay Airport (KHAF)

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

Partly Cloudy

61°F

16°C

Humidity 100%
Wind Speed S 10 MPH
Barometer 29.85 in (1010.84 mb)
Dewpoint 61°F (16°C)
Visibility 9.00 mi
Last update 10 Apr 03:55 PM PDT
Extended Forecast for

2 Miles N Half Moon Bay CA

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms. Partly sunny, with a steady temperature around 60. South southwest wind around 11 mph, with gusts as high as 21 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 60 °F

    Chance
    T-storms

  • Tonight

    Tonight: Rain and thunderstorms likely before 3am, then a chance of rain. Mostly cloudy, with a low around 50. South southwest wind 7 to 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Rain Likely

  • Saturday

    Saturday: A chance of rain before 2pm, then a chance of showers and thunderstorms between 2pm and 3pm, then showers and possibly a thunderstorm after 3pm. High near 61. South wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 61 °F

    Chance Rain
    then Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 47. South southwest wind 14 to 21 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 47 °F

    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 60. Southwest wind around 16 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 60 °F

    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 47. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Chance Rain

  • Monday

    Monday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Partly sunny, with a steady temperature around 60. South southwest wind around 11 mph, with gusts as high as 21 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Rain and thunderstorms likely before 3am, then a chance of rain. Mostly cloudy, with a low around 50. South southwest wind 7 to 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of rain before 2pm, then a chance of showers and thunderstorms between 2pm and 3pm, then showers and possibly a thunderstorm after 3pm. High near 61. South wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm. Low around 47. South southwest wind 14 to 21 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
Showers and possibly a thunderstorm. High near 60. Southwest wind around 16 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 47. New precipitation amounts of less than a tenth of an inch possible.
Monday
Mostly sunny, with a high near 62.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Sunny, with a high near 62.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Mostly sunny, with a high near 63.
Wednesday Night
Partly cloudy, with a low around 47.
Thursday
Sunny, with a high near 64.
Thursday Night
Mostly clear, with a low around 47.
Friday
Sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Half Moon Bay CA
 37.5°N 122.42°W (Elev. 440 ft)
Last Update:
2:57 pm PDT Apr 10, 2026
Forecast Valid:
4pm PDT Apr 10, 2026-6pm PDT Apr 17, 2026
 
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