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

Critical to Extremely Critical Fire Weather Conditions in Southern California; Heavy Lake Effect Snow Downwind of Lakes Erie and Ontario

Critical to extremely critical fire weather conditions are forecast for coastal southern California through Wednesday due to moderate to locally strong Santa Ana winds. Particularly Dangerous Situation Red Flag Warnings have been issued. Across the Great Lakes, heavy lake effect snow is expected downwind of Lakes Erie and Ontario from this afternoon into late Wednesday night. Read More >

Hazardous Weather Conditions

Current conditions at

San Jose, San Jose International Airport (KSJC)

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

Clear

46°F

8°C

Humidity 49%
Wind Speed SSE 3 MPH
Barometer 30.38 in (1028.79 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 13 Jan 11:05 PM PST
Extended Forecast for

2 Miles WNW San Jose CA

Frost Advisory January 14, 01:00am until January 14, 09:00am
Click here for hazard details and duration
Frost Advisory

  • Tonight

    Tonight: Patchy frost after 4am. Otherwise, clear, with a low around 37. Calm wind.

    Low: 37 °F

    Patchy Frost

  • Tuesday

    Tuesday: Patchy frost before 8am. Otherwise, sunny, with a high near 63. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 63 °F

    Patchy Frost
    then Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 37. Calm wind.

    Low: 37 °F

    Clear

  • Wednesday

    Wednesday: Patchy frost before 7am. Otherwise, sunny, with a high near 67. Calm wind.

    High: 67 °F

    Patchy Frost
    then Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 39. Calm wind.

    Low: 39 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 37.

    Low: 37 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Friday Night

    Friday Night: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy
    then Patchy
    Fog

Detailed Forecast

Tonight
Patchy frost after 4am. Otherwise, clear, with a low around 37. Calm wind.
Tuesday
Patchy frost before 8am. Otherwise, sunny, with a high near 63. Calm wind becoming northwest around 5 mph in the afternoon.
Tuesday Night
Clear, with a low around 37. Calm wind.
Wednesday
Patchy frost before 7am. Otherwise, sunny, with a high near 67. Calm wind.
Wednesday Night
Clear, with a low around 39. Calm wind.
Thursday
Sunny, with a high near 66.
Thursday Night
Clear, with a low around 37.
Friday
Sunny, with a high near 62.
Friday Night
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 38.
Saturday
Patchy fog between 7am and 8am. Otherwise, sunny, with a high near 60.
Saturday Night
Patchy frost. Otherwise, mostly clear, with a low around 36.
Sunday
Areas of frost. Otherwise, sunny, with a high near 58.
Sunday Night
Areas of frost. Otherwise, clear, with a low around 34.
M.L.King Day
Widespread frost. Otherwise, sunny, with a high near 61.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW San Jose CA
 37.31°N 121.89°W (Elev. 105 ft)
Last Update:
2:35 pm PST Jan 13, 2025
Forecast Valid:
11pm PST Jan 13, 2025-6pm PST Jan 20, 2025
 
Forecast Discussion
 
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Additional Resources

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