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

Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Current conditions at

Half Moon Bay Airport (KHAF)

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

Mist

59°F

15°C

Humidity 100%
Wind Speed NNW 9 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 59°F (15°C)
Visibility 1.50 mi
Last update 17 Aug 06:55 AM PDT
Extended Forecast for

3 Miles SSE Montara CA

  • Today

    Today: Patchy drizzle before 11am. Mostly cloudy, with a high near 62. West wind 8 to 10 mph, with gusts as high as 18 mph.

    High: 62 °F

    Patchy
    Drizzle then
    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 56. West northwest wind 8 to 10 mph, with gusts as high as 18 mph.

    Low: 56 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 64. West northwest wind 5 to 8 mph.

    High: 64 °F

    Partly Sunny

  • Monday Night

    Monday Night: A slight chance of drizzle between 11pm and 2am. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 56. West northwest wind 5 to 9 mph.

    Low: 56 °F

    Slight Chance
    Drizzle and
    Patchy Fog

  • Tuesday

    Tuesday: A slight chance of drizzle before 11am. Patchy fog before 11am. Otherwise, partly sunny, with a high near 63. West northwest wind 5 to 9 mph.

    High: 63 °F

    Slight Chance
    Drizzle and
    Patchy Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 10am. Otherwise, partly sunny, with a high near 64.

    High: 64 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 54.

    Low: 54 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 11am. Otherwise, partly sunny, with a high near 64.

    High: 64 °F

    Patchy Fog
    then Partly
    Sunny

Detailed Forecast

Today
Patchy drizzle before 11am. Mostly cloudy, with a high near 62. West wind 8 to 10 mph, with gusts as high as 18 mph.
Tonight
Mostly cloudy, with a low around 56. West northwest wind 8 to 10 mph, with gusts as high as 18 mph.
Monday
Partly sunny, with a high near 64. West northwest wind 5 to 8 mph.
Monday Night
A slight chance of drizzle between 11pm and 2am. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 56. West northwest wind 5 to 9 mph.
Tuesday
A slight chance of drizzle before 11am. Patchy fog before 11am. Otherwise, partly sunny, with a high near 63. West northwest wind 5 to 9 mph.
Tuesday Night
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 56.
Wednesday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 64.
Wednesday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 54.
Thursday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 64.
Thursday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 54.
Friday
Patchy fog. Otherwise, partly sunny, with a high near 62.
Friday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 55.
Saturday
Patchy fog. Otherwise, mostly cloudy, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Montara CA
 37.51°N 122.49°W (Elev. 138 ft)
Last Update:
2:33 am PDT Aug 17, 2025
Forecast Valid:
7am PDT Aug 17, 2025-6pm PDT Aug 23, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation