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.

Mostly Cloudy

64°F

18°C

Humidity 36%
Wind Speed N 0 MPH
Barometer 30.26 in (1024.72 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 27 Jan 12:00 PM PST
Extended Forecast for

2 Miles E Cupertino CA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 64. South wind around 9 mph.

    High: 64 °F

    Partly Sunny

  • Tonight

    Tonight: A 20 percent chance of rain.  Patchy fog between 4am and 5am.  Otherwise, mostly cloudy, with a low around 48. Southeast wind 5 to 7 mph becoming calm  after midnight.

    Low: 48 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog between 7am and 8am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 64. Calm wind becoming north northwest 5 to 8 mph in the afternoon.

    High: 64 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 42. North northwest wind around 5 mph becoming calm  in the evening.

    Low: 42 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 66. Calm wind becoming north around 5 mph in the afternoon.

    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 70.

    High: 70 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 64. South wind around 9 mph.
Tonight
A 20 percent chance of rain. Patchy fog between 4am and 5am. Otherwise, mostly cloudy, with a low around 48. Southeast wind 5 to 7 mph becoming calm after midnight.
Wednesday
Patchy fog between 7am and 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 64. Calm wind becoming north northwest 5 to 8 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 42. North northwest wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 66. Calm wind becoming north around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Partly sunny, with a high near 70.
Friday Night
Mostly cloudy, with a low around 45.
Saturday
Partly sunny, with a high near 70.
Saturday Night
Mostly cloudy, with a low around 47.
Sunday
A slight chance of rain. Mostly cloudy, with a high near 65.
Sunday Night
A slight chance of rain. Mostly cloudy, with a low around 47.
Monday
Mostly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Cupertino CA
 37.31°N 122.01°W (Elev. 197 ft)
11:52 am PST Jan 27, 2026
12pm PST Jan 27, 2026-6pm PST Feb 2, 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