Severe Thunderstorms and Heavy Rainfall in the Ohio Valley and Great Lakes; Winter Weather in the Northern Tier

A slow moving front extending from the Great Lakes region into the Plains will bring snow, wintry mix, and ice accumulation north of the front from the Upper Midwest into New England, and severe weather and heavy rain south of the front. Scattered severe thunderstorms with damaging gusts, severe hail, and heavy rain are expected across parts of the Great Lakes/Midwest through tonight. Read More >

Current conditions at

LA HONDA (LAHC1)

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

NA

55°F

13°C

Humidity 83%
Wind Speed E 2 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Last update 31 Mar 05:07 AM PDT
Extended Forecast for

4 Miles S Portola Valley CA

  • Overnight

    Overnight: A 30 percent chance of rain.  Mostly cloudy, with a steady temperature around 57. South southwest wind around 8 mph.

    Low: 57 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain likely, mainly before 2pm.  Mostly cloudy, with a high near 58. South wind around 9 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 58 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: A chance of rain before 2am, then a slight chance of rain after 3am.  Mostly cloudy, with a low around 51. South wind 6 to 8 mph.  Chance of precipitation is 30%.

    Low: 51 °F

    Chance Rain

  • Wednesday

    Wednesday: A 50 percent chance of rain.  Partly sunny, with a high near 56. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 56 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain, mainly after 11pm.  Low around 49. Southwest wind around 10 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 49 °F

    Rain

  • Thursday

    Thursday: A 20 percent chance of rain before 11am.  Sunny, with a high near 54.

    High: 54 °F

    Slight Chance
    Rain then
    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 48.

    Low: 48 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Overnight
A 30 percent chance of rain. Mostly cloudy, with a steady temperature around 57. South southwest wind around 8 mph.
Tuesday
Rain likely, mainly before 2pm. Mostly cloudy, with a high near 58. South wind around 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A chance of rain before 2am, then a slight chance of rain after 3am. Mostly cloudy, with a low around 51. South wind 6 to 8 mph. Chance of precipitation is 30%.
Wednesday
A 50 percent chance of rain. Partly sunny, with a high near 56. Southwest wind 7 to 10 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain, mainly after 11pm. Low around 49. Southwest wind around 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A 20 percent chance of rain before 11am. Sunny, with a high near 54.
Thursday Night
Clear, with a low around 48.
Friday
Sunny, with a high near 64.
Friday Night
Mostly clear, with a low around 51.
Saturday
Sunny, with a high near 71.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Mostly sunny, with a high near 70.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Mostly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Portola Valley CA
 37.33°N 122.21°W (Elev. 2231 ft)
1:26 am PDT Mar 31, 2026
5am PDT Mar 31, 2026-6pm PDT Apr 6, 2026
 
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Additional Resources

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