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

Early Heat Wave in the West; Fire Concerns in the 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. Elevated to critical fire weather conditions are expected today across the High Plains and southern Plains. Lake effect snow downwind of the Great Lakes will taper off today. Read More >

Hazardous Weather Conditions

Current conditions at

Half Moon Bay Airport (KHAF)

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

Clear

77°F

25°C

Humidity 57%
Wind Speed NW 8 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 61°F (16°C)
Visibility 8.00 mi
Heat Index79°F (26°C)
Last update 17 Mar 01:35 PM PDT
Extended Forecast for

Montara CA

Heat Advisory March 17, 01:46pm until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 17, 01:46pm until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • This Afternoon

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 55. North wind 5 to 9 mph.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 75. Light north northeast wind becoming north 5 to 10 mph in the morning.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. Northwest wind 5 to 8 mph.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 78. Light north wind becoming north northwest 5 to 9 mph in the morning.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 78. North wind 8 to 11 mph.
Tonight
Mostly clear, with a low around 55. North wind 5 to 9 mph.
Wednesday
Sunny, with a high near 75. Light north northeast wind becoming north 5 to 10 mph in the morning.
Wednesday Night
Mostly clear, with a low around 57. Northwest wind 5 to 8 mph.
Thursday
Sunny, with a high near 78. Light north wind becoming north northwest 5 to 9 mph in the morning.
Thursday Night
Mostly clear, with a low around 59.
Friday
Sunny, with a high near 75.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 66.
Saturday Night
Partly cloudy, with a low around 53.
Sunday
Mostly sunny, with a high near 63.
Sunday Night
Partly cloudy, with a low around 52.
Monday
Mostly sunny, with a high near 63.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Montara CA
 37.55°N 122.52°W (Elev. 0 ft)
Last Update:
1:26 pm PDT Mar 17, 2026
Forecast Valid:
1pm PDT Mar 17, 2026-6pm PDT Mar 23, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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