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.

Clear

52°F

11°C

Humidity 81%
Wind Speed SSE 8 MPH
Barometer 29.8 in (1009.14 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 12 Apr 02:00 AM PDT
Extended Forecast for

San Jose International Airport CA

  • Overnight

    Overnight: A 40 percent chance of showers.  Mostly cloudy, with a low around 49. South wind around 11 mph, with gusts as high as 20 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely before 8am, then showers likely and possibly a thunderstorm between 8am and 3pm, then a chance of showers and thunderstorms after 3pm.  Mostly cloudy, with a high near 61. Southwest wind 10 to 15 mph, with gusts as high as 23 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 8pm.  Partly cloudy, with a low around 47. West southwest wind 5 to 9 mph becoming calm  in the evening.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 64. Light and variable wind becoming northwest 5 to 10 mph in the afternoon.

    High: 64 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 48. West northwest wind 9 to 14 mph becoming light west  after midnight.

    Low: 48 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 40 percent chance of showers. Mostly cloudy, with a low around 49. South wind around 11 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers likely before 8am, then showers likely and possibly a thunderstorm between 8am and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 61. Southwest wind 10 to 15 mph, with gusts as high as 23 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 8pm. Partly cloudy, with a low around 47. West southwest wind 5 to 9 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.
Monday
Mostly sunny, with a high near 64. Light and variable wind becoming northwest 5 to 10 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 48. West northwest wind 9 to 14 mph becoming light west after midnight.
Tuesday
Mostly sunny, with a high near 66.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Mostly sunny, with a high near 66.
Wednesday Night
Mostly cloudy, with a low around 50.
Thursday
Sunny, with a high near 68.
Thursday Night
Clear, with a low around 45.
Friday
Sunny, with a high near 72.
Friday Night
Mostly clear, with a low around 47.
Saturday
Sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
San Jose International Airport CA
 37.35°N 121.93°W (Elev. 66 ft)
1:25 am PDT Apr 12, 2026
2am PDT Apr 12, 2026-6pm PDT Apr 18, 2026
 
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Additional Resources

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