Severe Weather Across the Center of the Nation; Fire Weather Concerns for Southwest and California; Snow for the Central Rockies

Severe thunderstorms will continue to impact the center of the Nation through today. Very large hail, strong tornadoes, and damaging winds are expected from the Great Lakes into the central/southern Plains; Flash flooding is possible for portions into the mid-Mississippi Valley. Critical fire weather conditions for the Southwest and central valley of California today. Winter hangs on for Rockies. Read More >

Current conditions at

San Jose, San Jose International Airport (KSJC)

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

Clear

81°F

27°C

Humidity 14%
Wind Speed N 10 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 18 May 02:00 PM PDT
Extended Forecast for

Santa Clara CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 84. North northwest wind 10 to 14 mph, with gusts as high as 23 mph.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 53. Northwest wind 6 to 11 mph becoming light and variable  after midnight. Winds could gust as high as 21 mph.

    Low: 53 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87. Light west wind becoming northwest 6 to 11 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55. North northwest wind 6 to 11 mph becoming light and variable  in the evening. Winds could gust as high as 21 mph.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87. Calm wind becoming west northwest 5 to 8 mph in the afternoon.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 84. North northwest wind 10 to 14 mph, with gusts as high as 23 mph.
Tonight
Clear, with a low around 53. Northwest wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.
Tuesday
Sunny, with a high near 87. Light west wind becoming northwest 6 to 11 mph in the afternoon. Winds could gust as high as 18 mph.
Tuesday Night
Mostly clear, with a low around 55. North northwest wind 6 to 11 mph becoming light and variable in the evening. Winds could gust as high as 21 mph.
Wednesday
Sunny, with a high near 87. Calm wind becoming west northwest 5 to 8 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Sunny, with a high near 86.
Thursday Night
Mostly clear, with a low around 53.
Friday
Sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 53.
Saturday
Mostly sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Mostly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
Santa Clara CA
 37.35°N 121.96°W (Elev. 89 ft)
1:26 pm PDT May 18, 2026
2pm PDT May 18, 2026-6pm PDT May 24, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database