Pacific Storm System Across the West; Fire Weather Concerns in the Southeast

A Pacific storm system will bring strong winds and low elevation rain to much of the West Coast, and heavy high elevation mountain snow to the Sierra-Nevada through Wednesday. Fire weather concerns will continue into Tuesday across the Mid-South and Southeast as gusty winds and dry conditions persist. Read More >

Current conditions at

LA HONDA (LAHC1)

Lat: 37.30523°NLon: 122.25525°WElev: 804.0ft.

NA

50°F

10°C

Humidity 99%
Wind Speed E 0 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Last update 21 Apr 01:07 AM PDT
Extended Forecast for

2 Miles S Portola Valley CA

  • Overnight

    Overnight: Showers and possibly a thunderstorm before 4am, then a chance of showers and thunderstorms between 4am and 5am, then showers and possibly a thunderstorm after 5am.  Low around 49. South southwest wind 8 to 10 mph, with gusts as high as 22 mph.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °F

    Showers

  • Tuesday

    Tuesday: Showers and thunderstorms, mainly before 4pm, then rain likely and possibly a thunderstorm after 5pm.  High near 56. Southwest wind 6 to 9 mph, with gusts as high as 21 mph.  Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 56 °F

    Showers

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain, mainly after 2am.  Mostly cloudy, with a low around 45. West southwest wind 3 to 6 mph.  New precipitation amounts between a quarter and half of an inch possible.

    Low: 45 °F

    Chance Rain

  • Wednesday

    Wednesday: A 40 percent chance of rain before 11am.  Mostly sunny, with a high near 60. West wind 3 to 6 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Chance Rain
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45. Northwest wind 3 to 6 mph.

    Low: 45 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Showers and possibly a thunderstorm before 4am, then a chance of showers and thunderstorms between 4am and 5am, then showers and possibly a thunderstorm after 5am. Low around 49. South southwest wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers and thunderstorms, mainly before 4pm, then rain likely and possibly a thunderstorm after 5pm. High near 56. Southwest wind 6 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday Night
A 50 percent chance of rain, mainly after 2am. Mostly cloudy, with a low around 45. West southwest wind 3 to 6 mph. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
A 40 percent chance of rain before 11am. Mostly sunny, with a high near 60. West wind 3 to 6 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Mostly clear, with a low around 45. Northwest wind 3 to 6 mph.
Thursday
Sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Mostly sunny, with a high near 65.
Friday Night
Mostly cloudy, with a low around 47.
Saturday
Partly sunny, with a high near 61.
Saturday Night
Mostly cloudy, with a low around 48.
Sunday
Mostly sunny, with a high near 64.
Sunday Night
Partly cloudy, with a low around 47.
Monday
Mostly sunny, with a high near 65.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Portola Valley CA
 37.35°N 122.21°W (Elev. 1440 ft)
12:31 am PDT Apr 21, 2026
1am PDT Apr 21, 2026-6pm PDT Apr 27, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database