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

52°F

11°C

Humidity 100%
Wind Speed W 2 MPH
Barometer NA
Dewpoint 52°F (11°C)
Visibility NA
Last update 11 Apr 04:10 AM PDT
Extended Forecast for

3 Miles SSW Los Altos Hills CA

  • Overnight

    Overnight: A 20 percent chance of rain.  Mostly cloudy, with a low around 51. Southwest wind around 9 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 51 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: Rain and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. Some of the storms could produce heavy rainfall.  High near 53. South southwest wind 10 to 18 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 Heavy
    Rain

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms between 10pm and 11pm, then showers likely and possibly a thunderstorm after 11pm. Some of the storms could produce heavy rainfall.  Low around 48. Southwest wind 13 to 17 mph, with gusts as high as 33 mph.  Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Low: 48 °F

    Heavy Rain
    then Showers
    Likely

  • Sunday

    Sunday: Showers and possibly a thunderstorm.  High near 51. Southwest wind 13 to 15 mph, with gusts as high as 28 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 51 °F

    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of rain, mainly before 11pm.  Partly cloudy, with a low around 48. West southwest wind 5 to 9 mph becoming light southwest  after midnight.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Chance Rain

  • Monday

    Monday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 48 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of rain. Mostly cloudy, with a low around 51. Southwest wind around 9 mph. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. Some of the storms could produce heavy rainfall. High near 53. South southwest wind 10 to 18 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 before 10pm, then a chance of showers and thunderstorms between 10pm and 11pm, then showers likely and possibly a thunderstorm after 11pm. Some of the storms could produce heavy rainfall. Low around 48. Southwest wind 13 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Sunday
Showers and possibly a thunderstorm. High near 51. Southwest wind 13 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A 30 percent chance of rain, mainly before 11pm. Partly cloudy, with a low around 48. West southwest wind 5 to 9 mph becoming light southwest after midnight. New precipitation amounts of less than a tenth of an inch possible.
Monday
Mostly sunny, with a high near 56.
Monday Night
Mostly clear, with a low around 49.
Tuesday
Mostly sunny, with a high near 57.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Mostly sunny, with a high near 57.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
Sunny, with a high near 61.
Thursday Night
Mostly clear, with a low around 50.
Friday
Sunny, with a high near 66.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Los Altos Hills CA
 37.33°N 122.18°W (Elev. 1998 ft)
2:38 am PDT Apr 11, 2026
4am PDT Apr 11, 2026-6pm PDT Apr 17, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database