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

San Jose, San Jose International Airport (KSJC)

Lat: 37.35917°NLon: 121.92417°WElev: 59.0ft.

Overcast

57°F

14°C

Humidity 93%
Wind Speed SE 6 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 11 Apr 02:53 AM PDT
Extended Forecast for

Santa Clara CA

  • Overnight

    Overnight: A slight chance of rain between 4am and 5am.  Partly cloudy, with a low around 51. South southeast wind around 5 mph.  Chance of precipitation is 20%.

    Low: 51 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: A chance of rain and thunderstorms, then showers and possibly a thunderstorm after 4pm.  High near 65. South wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 31 mph.  Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 65 °F

    Chance
    Showers then
    Showers

  • 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.  Low around 47. South wind 8 to 15 mph, with gusts as high as 30 mph.  Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 47 °F

    Showers then
    Showers
    Likely

  • Sunday

    Sunday: Showers and possibly a thunderstorm.  High near 61. Southwest wind 8 to 13 mph, with gusts as high as 21 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 61 °F

    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of rain, mainly before 11pm.  Patchy fog after 2am.  Otherwise, partly cloudy, with a low around 44. West southwest wind 5 to 10 mph becoming light southwest  in the evening.

    Low: 44 °F

    Chance Rain
    and Patchy
    Fog

  • Monday

    Monday: Patchy fog before 10am.  Otherwise, mostly sunny, with a high near 65.

    High: 65 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

Detailed Forecast

Overnight
A slight chance of rain between 4am and 5am. Partly cloudy, with a low around 51. South southeast wind around 5 mph. Chance of precipitation is 20%.
Saturday
A chance of rain and thunderstorms, then showers and possibly a thunderstorm after 4pm. High near 65. South wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
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. Low around 47. South wind 8 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers and possibly a thunderstorm. High near 61. Southwest wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 30 percent chance of rain, mainly before 11pm. Patchy fog after 2am. Otherwise, partly cloudy, with a low around 44. West southwest wind 5 to 10 mph becoming light southwest in the evening.
Monday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 65.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Mostly sunny, with a high near 68.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
Mostly sunny, with a high near 68.
Wednesday Night
Partly cloudy, with a low around 45.
Thursday
Sunny, with a high near 71.
Thursday Night
Mostly clear, with a low around 44.
Friday
Sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Santa Clara CA
 37.35°N 121.96°W (Elev. 89 ft)
2:38 am PDT Apr 11, 2026
3am PDT Apr 11, 2026-6pm PDT Apr 17, 2026
 
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Additional Resources

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