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Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. Read More >

Current conditions at

San Jose, San Jose International Airport (KSJC)

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

Overcast

54°F

12°C

Humidity 81%
Wind Speed E 4 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 13 Apr 12:00 AM PDT
Extended Forecast for

Santa Clara CA

  • Overnight

    Overnight: A 20 percent chance of rain after 2am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Monday

    Monday: Areas of fog before 9am. Otherwise, mostly sunny, with a high near 66. Light and variable wind becoming north northwest 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 66 °F

    Areas Fog
    then Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 45. Northwest wind 5 to 10 mph becoming light and variable after midnight.

    Low: 45 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 67. Calm wind becoming west northwest 5 to 9 mph in the afternoon.

    High: 67 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 44. West northwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 18 mph.

    Low: 44 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 43.

    Low: 43 °F

    Clear

Detailed Forecast

Overnight
A 20 percent chance of rain after 2am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 44. Calm wind.
Monday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 66. Light and variable wind becoming north northwest 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.
Monday Night
Increasing clouds, with a low around 45. Northwest wind 5 to 10 mph becoming light and variable after midnight.
Tuesday
Mostly sunny, with a high near 67. Calm wind becoming west northwest 5 to 9 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 44. West northwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 18 mph.
Wednesday
Partly sunny, with a high near 68.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Sunny, with a high near 68.
Thursday Night
Clear, with a low around 43.
Friday
Sunny, with a high near 74.
Friday Night
Mostly clear, with a low around 45.
Saturday
Mostly sunny, with a high near 76.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
Mostly sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Santa Clara CA
 37.35°N 121.96°W (Elev. 89 ft)
Last Update:
11:27 pm PDT Apr 12, 2026
Forecast Valid:
12am PDT Apr 13, 2026-6pm PDT Apr 19, 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

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Chance of Precipitation