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Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Current conditions at

LOS ALTOS (LOAC1)

Lat: 37.35472°NLon: 122.14167°WElev: 539.0ft.

NA

63°F

17°C

Humidity 67%
Wind Speed SSW 3 MPH
Barometer NA
Dewpoint 52°F (11°C)
Visibility NA
Last update 10 Apr 03:10 PM PDT
Extended Forecast for

5 Miles SSW Los Altos Hills CA

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 56. South southwest wind around 10 mph, with gusts as high as 22 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 56 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 10pm, then a chance of rain after 11pm. Mostly cloudy, with a low around 51. Southwest wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 51 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of rain and thunderstorms, then showers and possibly a thunderstorm after 3pm. High near 53. South wind 9 to 17 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 53 °F

    Chance Rain
    then Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 48. South southwest wind 11 to 16 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 48 °F

    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 52. Southwest wind 11 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 52 °F

    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 49. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Chance Rain

  • Monday

    Monday: A 20 percent chance of rain. Mostly sunny, with a high near 57.

    High: 57 °F

    Slight Chance
    Rain

  • Monday Night

    Monday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 56. South southwest wind around 10 mph, with gusts as high as 22 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly before 10pm, then a chance of rain after 11pm. Mostly cloudy, with a low around 51. Southwest wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of rain and thunderstorms, then showers and possibly a thunderstorm after 3pm. High near 53. South wind 9 to 17 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers and possibly a thunderstorm. Low around 48. South southwest wind 11 to 16 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Sunday
Showers and possibly a thunderstorm. High near 52. Southwest wind 11 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 49. New precipitation amounts of less than a tenth of an inch possible.
Monday
A 20 percent chance of rain. Mostly sunny, with a high near 57.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Sunny, with a high near 59.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Sunny, with a high near 60.
Wednesday Night
Partly cloudy, with a low around 48.
Thursday
Sunny, with a high near 61.
Thursday Night
Mostly clear, with a low around 49.
Friday
Sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Los Altos Hills CA
 37.31°N 122.18°W (Elev. 2119 ft)
Last Update:
2:57 pm PDT Apr 10, 2026
Forecast Valid:
3pm PDT Apr 10, 2026-6pm PDT Apr 17, 2026
 
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