National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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 / Reid / Hillv (KRHV)

Lat: 37.33333°NLon: 121.81667°WElev: 135.0ft.

Mostly Cloudy

63°F

17°C

Humidity 63%
Wind Speed S 16 MPH
Barometer 29.85 in (1010.84 mb)
Dewpoint 50°F (10°C)
Visibility 8.00 mi
Last update 11 Apr 02:47 PM PDT
Extended Forecast for

San Jose CA

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 65. South wind around 18 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 65 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 4am, then showers likely and possibly a thunderstorm after 5am. Low around 47. Southeast wind 8 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 47 °F

    Showers then
    Showers
    Likely

  • Sunday

    Sunday: Showers and thunderstorms likely before 9am, then showers likely and possibly a thunderstorm between 9am and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 61. South southeast wind 8 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 61 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 11pm. Patchy fog after midnight. Otherwise, partly cloudy, with a low around 44. Southwest wind 5 to 9 mph becoming calm in the evening.

    Low: 44 °F

    Slight Chance
    Showers then
    Patchy Fog

  • Monday

    Monday: Areas of fog before 10am. Otherwise, mostly sunny, with a high near 65. Calm wind becoming west northwest 5 to 8 mph in the afternoon.

    High: 65 °F

    Areas Fog
    then Sunny

  • Monday Night

    Monday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 69.

    High: 69 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 42.

    Low: 42 °F

    Clear then
    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 8am. Otherwise, sunny, with a high near 70.

    High: 70 °F

    Patchy Fog
    then Sunny

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 65. South wind around 18 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms, mainly before 4am, then showers likely and possibly a thunderstorm after 5am. Low around 47. Southeast wind 8 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
Showers and thunderstorms likely before 9am, then showers likely and possibly a thunderstorm between 9am and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 61. South southeast wind 8 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 20 percent chance of showers before 11pm. Patchy fog after midnight. Otherwise, partly cloudy, with a low around 44. Southwest wind 5 to 9 mph becoming calm in the evening.
Monday
Areas of fog before 10am. Otherwise, mostly sunny, with a high near 65. Calm wind becoming west northwest 5 to 8 mph in the afternoon.
Monday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 44.
Tuesday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 69.
Tuesday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 42.
Wednesday
Patchy fog before 8am. Otherwise, sunny, with a high near 70.
Wednesday Night
Partly cloudy, with a low around 45.
Thursday
Sunny, with a high near 72.
Thursday Night
Clear, with a low around 43.
Friday
Sunny, with a high near 76.
Friday Night
Mostly clear, with a low around 45.
Saturday
Mostly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Jose CA
 37.29°N 121.86°W (Elev. 157 ft)
Last Update:
1:26 pm PDT Apr 11, 2026
Forecast Valid:
3pm PDT Apr 11, 2026-6pm PDT Apr 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation