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

Late January Extreme Cold; Watching for Another East Coast Storm Threat This Weekend

Well below normal temperatures will continue for the eastern half of the Lower 48 this week. Another blast of arctic air will spread from the Plains through the East/Southeast Friday into Saturday with more record lows expected even into Florida. Forecasts are being monitored for increasing potential of another significant winter storm to impact the eastern United States this coming weekend. Read More >

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 75%
Wind Speed SSE 3 MPH
Barometer 30.26 in (1024.72 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 26 Jan 11:20 PM PST
Extended Forecast for

2 Miles E Cupertino CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 42. Light south southeast wind.

    Low: 42 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, then becoming mostly cloudy during the afternoon, with a high near 64. South southeast wind 3 to 8 mph.

    High: 64 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 47. South wind around 5 mph becoming calm after midnight.

    Low: 47 °F

    Chance Rain
    and Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 64. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 64 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 41. North northwest wind around 5 mph becoming calm in the evening.

    Low: 41 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 42. Light south southeast wind.
Tuesday
Sunny, then becoming mostly cloudy during the afternoon, with a high near 64. South southeast wind 3 to 8 mph.
Tuesday Night
A 40 percent chance of rain. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 47. South wind around 5 mph becoming calm after midnight.
Wednesday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 64. Calm wind becoming north northwest around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 41. North northwest wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 66.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Partly sunny, with a high near 68.
Friday Night
Mostly cloudy, with a low around 46.
Saturday
Partly sunny, with a high near 69.
Saturday Night
Mostly cloudy, with a low around 47.
Sunday
A slight chance of rain. Partly sunny, with a high near 67.
Sunday Night
Mostly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Cupertino CA
 37.31°N 122.01°W (Elev. 197 ft)
Last Update:
1:29 pm PST Jan 26, 2026
Forecast Valid:
11pm PST Jan 26, 2026-6pm PST Feb 2, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation