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Extreme Heat and Tropical Storm Bertha Impacts

Dangerous heat will expand from the Gulf Coast into the Southern Plains and Desert Southwest through week's end. Additional extreme heat impacting the Pacific Northwest will shift to the northern Plains by the weekend. Tropical Storm Bertha is expected to continue to impact portions of the northern Gulf Coast from the western Florida Panhandle to southeastern Louisiana through tonight. Read More >

Current conditions at

Half Moon Bay Airport (KHAF)

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

Mist

63°F

17°C

Humidity 100%
Wind Speed S 9 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 63°F (17°C)
Visibility 2.50 mi
Last update 22 Jul 11:35 AM PDT
Extended Forecast for

Half Moon Bay CA

  • Today

    Today: Mostly cloudy, with a steady temperature around 63. West southwest wind around 9 mph.

    High: 63 °F

    Mostly Cloudy

  • Tonight

    Tonight: Cloudy, with a low around 56. West wind around 6 mph becoming calm in the evening.

    Low: 56 °F

    Cloudy

  • Thursday

    Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 64. West northwest wind 5 to 10 mph.

    High: 64 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 55. West northwest wind 6 to 8 mph.

    Low: 55 °F

    Increasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 64. West northwest wind 6 to 10 mph.

    High: 64 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, with a steady temperature around 63. West southwest wind around 9 mph.
Tonight
Cloudy, with a low around 56. West wind around 6 mph becoming calm in the evening.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 64. West northwest wind 5 to 10 mph.
Thursday Night
Increasing clouds, with a low around 55. West northwest wind 6 to 8 mph.
Friday
Partly sunny, with a high near 64. West northwest wind 6 to 10 mph.
Friday Night
Mostly cloudy, with a low around 55.
Saturday
Mostly sunny, with a high near 65.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
Partly sunny, with a high near 65.
Sunday Night
Mostly cloudy, with a low around 55.
Monday
Partly sunny, with a high near 65.
Monday Night
Mostly cloudy, with a low around 55.
Tuesday
Partly sunny, with a high near 65.
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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:
11:27 am PDT Jul 22, 2026
Forecast Valid:
11am PDT Jul 22, 2026-6pm PDT Jul 28, 2026
 
Forecast Discussion
 
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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