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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Half Moon Bay Airport (KHAF)

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

Mist

55°F

13°C

Humidity NA
Wind Speed N 4 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint N/A
Visibility 3.00 mi
Last update NA
Extended Forecast for

2 Miles NW Half Moon Bay CA

  • Today

    Today: Mostly cloudy, with a high near 62. West northwest wind 5 to 7 mph.

    High: 62 °F

    Mostly Cloudy

  • Tonight

    Tonight: Cloudy, with a steady temperature around 58. West northwest wind around 5 mph becoming calm after midnight.

    Low: 58 °F

    Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 64. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 64 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 55. West wind around 6 mph becoming calm in the evening.

    Low: 55 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 65. Calm wind becoming west around 6 mph in the afternoon.

    High: 65 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 10am. Otherwise, partly sunny, with a high near 74.

    High: 74 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 62. West northwest wind 5 to 7 mph.
Tonight
Cloudy, with a steady temperature around 58. West northwest wind around 5 mph becoming calm after midnight.
Monday
Mostly cloudy, with a high near 64. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 55. West wind around 6 mph becoming calm in the evening.
Tuesday
Mostly cloudy, with a high near 65. Calm wind becoming west around 6 mph in the afternoon.
Tuesday Night
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 54.
Wednesday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 74.
Wednesday Night
Mostly cloudy, with a low around 56.
Thursday
Mostly sunny, with a high near 74.
Thursday Night
Mostly cloudy, with a low around 56.
Friday
Partly sunny, with a high near 69.
Friday Night
Mostly cloudy, with a low around 55.
Saturday
Partly sunny, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Half Moon Bay CA
 37.49°N 122.45°W (Elev. 151 ft)
Last Update:
1:26 am PDT Sep 20, 2026
Forecast Valid:
8am PDT Sep 20, 2026-6pm PDT Sep 26, 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