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

Heavy Rainfall and Flooding in the Southwest and Along the East Coast

A multi-day heavy rainfall event is set to begin across New Mexico into west Texas Tuesday through Wednesday. Flash flooding and debris flows in the vicinity of burn scars will also be possible. A strong coastal low will develop offshore of the Mid-Atlantic coast midweek, bringing heavy rainfall, strong winds and coastal flooding to much of the East Coast through Friday. Read More >

Current conditions at

Half Moon Bay Airport (KHAF)

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

Overcast

57°F

14°C

Humidity 100%
Wind Speed W 8 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 57°F (14°C)
Visibility 7.00 mi
Last update 22 Sep 12:35 AM PDT
Extended Forecast for

Montara CA

  • Overnight

    Overnight: Cloudy, with a low around 57. West wind around 6 mph.

    Low: 57 °F

    Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 62. West wind 7 to 9 mph.

    High: 62 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 56. West northwest wind 5 to 9 mph becoming light west after midnight.

    Low: 56 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Patchy fog before 11am. Otherwise, partly sunny, with a high near 68. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 68 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 58. Northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 58 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

  • Thursday Night

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

    Low: 59 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

  • Friday Night

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

    Low: 57 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Cloudy, with a low around 57. West wind around 6 mph.
Tuesday
Mostly cloudy, with a high near 62. West wind 7 to 9 mph.
Tuesday Night
Mostly cloudy, with a low around 56. West northwest wind 5 to 9 mph becoming light west after midnight.
Wednesday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 68. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 58. Northwest wind 5 to 8 mph becoming calm in the evening.
Thursday
Partly sunny, with a high near 67.
Thursday Night
Mostly cloudy, with a low around 59.
Friday
Partly sunny, with a high near 65.
Friday Night
Mostly cloudy, with a low around 57.
Saturday
Partly sunny, with a high near 64.
Saturday Night
Mostly cloudy, with a low around 56.
Sunday
Partly sunny, with a high near 62.
Sunday Night
Partly cloudy, with a low around 56.
Monday
Mostly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Montara CA
 37.55°N 122.52°W (Elev. 0 ft)
Last Update:
12:41 am PDT Sep 22, 2026
Forecast Valid:
12am PDT Sep 22, 2026-6pm PDT Sep 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