Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

LA HONDA (LAHC1)

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

NA

70°F

21°C

Humidity 40%
Wind Speed W 1 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 19 Apr 03:07 PM PDT
Extended Forecast for

2 Miles S Portola Valley CA

  • Tonight

    Tonight: A 30 percent chance of rain after 5am.  Partly cloudy, with a low around 47. South wind 13 to 20 mph, with gusts as high as 24 mph.

    Low: 47 °F

    Partly Cloudy
    then Chance
    Rain

  • Monday

    Monday: Rain likely, mainly after 3pm.  Partly sunny, with a high near 63. Breezy, with a south wind 15 to 22 mph, with gusts as high as 28 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 63 °F

    Chance Rain
    then Rain
    Likely and
    Breezy

  • Monday Night

    Monday Night: Rain.  Low around 49. South southwest wind 16 to 21 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 25 mph.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 49 °F

    Rain

  • Tuesday

    Tuesday: Rain before 8am, then showers and possibly a thunderstorm, mainly after 8am.  High near 58. South southwest wind 6 to 9 mph, with gusts as high as 22 mph.  Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 58 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 8pm, then rain likely, mainly between 8pm and 11pm.  Mostly cloudy, with a low around 47. West southwest wind 5 to 9 mph, with gusts as high as 21 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 47 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 20 percent chance of rain.  Mostly sunny, with a high near 60.

    High: 60 °F

    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of rain after 5am. Partly cloudy, with a low around 47. South wind 13 to 20 mph, with gusts as high as 24 mph.
Monday
Rain likely, mainly after 3pm. Partly sunny, with a high near 63. Breezy, with a south wind 15 to 22 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Rain. Low around 49. South southwest wind 16 to 21 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
Rain before 8am, then showers and possibly a thunderstorm, mainly after 8am. High near 58. South southwest wind 6 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers likely and possibly a thunderstorm before 8pm, then rain likely, mainly between 8pm and 11pm. Mostly cloudy, with a low around 47. West southwest wind 5 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 20 percent chance of rain. Mostly sunny, with a high near 60.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Mostly sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Mostly sunny, with a high near 66.
Friday Night
Partly cloudy, with a low around 48.
Saturday
Mostly sunny, with a high near 65.
Saturday Night
Partly cloudy, with a low around 49.
Sunday
Mostly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Portola Valley CA
 37.35°N 122.21°W (Elev. 1440 ft)
1:26 pm PDT Apr 19, 2026
3pm PDT Apr 19, 2026-6pm PDT Apr 26, 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