Heat Wave Continues in the West; Critical Fire Weather Conditions in the High Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. Read More >

Hazardous Weather Conditions

Current conditions at

Half Moon Bay Airport (KHAF)

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

Mist

55°F

13°C

Humidity 100%
Wind Speed NNW 10 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 55°F (13°C)
Visibility 6.00 mi
Last update 17 Mar 11:55 PM PDT
Extended Forecast for

2 Miles N Half Moon Bay CA

Heat Advisory March 18, 12:00am until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 18, 12:00am until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Overnight

    Low: 58 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85. Calm wind becoming north northeast 5 to 7 mph in the morning.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 58. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 58 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 87. Calm wind becoming north northwest 5 to 8 mph in the afternoon.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59. North northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

Detailed Forecast

Overnight
Clear, with a low around 58. Light north northeast wind.
Wednesday
Sunny, with a high near 85. Calm wind becoming north northeast 5 to 7 mph in the morning.
Wednesday Night
Clear, with a low around 58. Northwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 87. Calm wind becoming north northwest 5 to 8 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 59. North northwest wind 5 to 7 mph becoming calm in the evening.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 56.
Saturday
Mostly sunny, with a high near 73.
Saturday Night
Partly cloudy, with a low around 51.
Sunday
Sunny, with a high near 68.
Sunday Night
Partly cloudy, with a low around 49.
Monday
Mostly sunny, with a high near 68.
Monday Night
Mostly cloudy, with a low around 50.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 66.
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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)
1:49 pm PDT Mar 17, 2026
12am PDT Mar 18, 2026-6pm PDT Mar 24, 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