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

Extreme Heat and Excessive Rainfall Today

Dangerous and extreme heat will remain across portions of the southern U.S. through the weekend. A heat wave over the Southwest U.S. will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Multiple rounds of thunderstorms will produce heavy to excessive rainfall with significant flash flooding across portions of southern New England. Read More >

Hazardous Weather Conditions

Current conditions at

Half Moon Bay Airport (KHAF)

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

Mist

54°F

12°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 54°F (12°C)
Visibility 5.00 mi
Last update 29 Jul 11:55 PM PDT
Extended Forecast for

2 Miles NW Half Moon Bay CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 54. West wind 3 to 5 mph.

    Low: 54 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 66. West northwest wind 5 to 9 mph.

    High: 66 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 54. West wind 5 to 7 mph becoming calm after midnight.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 68. Light west wind becoming west northwest 5 to 9 mph in the morning.

    High: 68 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 55. West northwest wind 5 to 9 mph becoming light after midnight.

    Low: 55 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 55 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy
    then Patchy
    Fog

Detailed Forecast

Overnight
Mostly cloudy, with a low around 54. West wind 3 to 5 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 66. West northwest wind 5 to 9 mph.
Thursday Night
Partly cloudy, with a low around 54. West wind 5 to 7 mph becoming calm after midnight.
Friday
Mostly sunny, with a high near 68. Light west wind becoming west northwest 5 to 9 mph in the morning.
Friday Night
Mostly cloudy, with a low around 55. West northwest wind 5 to 9 mph becoming light after midnight.
Saturday
Mostly sunny, with a high near 69.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
Mostly sunny, with a high near 69.
Sunday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 54.
Monday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 71.
Monday Night
Mostly cloudy, with a low around 55.
Tuesday
Partly sunny, with a high near 69.
Tuesday Night
Mostly cloudy, with a low around 56.
Wednesday
Partly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Half Moon Bay CA
 37.49°N 122.45°W (Elev. 151 ft)
Last Update:
11:51 pm PDT Jul 29, 2026
Forecast Valid:
12am PDT Jul 30, 2026-6pm PDT Aug 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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Chance of Precipitation