Chilly Eastern Half of U.S.; Fire Weather Concerns in Four Corners

A large, cold dome of high pressure will settle-in across the Eastern half of the country and chilly conditions with below normal temperatures are likely. In fact, a number of record low temperatures are possible Thursday morning and widespread freeze warnings are currently in effect. Meanwhile, elevated to critical fire weather conditions are expected to persist across the Four Corners region. Read More >

Current conditions at

LOS ALTOS (LOAC1)

Lat: 37.354722°NLon: 122.141667°WElev: 539ft.

NA

45°F

7°C

Humidity 87%
Wind Speed NE 3 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 22 Apr 02:10 AM PDT
Extended Forecast for

Cupertino CA

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 49. Light south southwest wind.

    Mostly Clear

    Low: 49 °F

  • Thursday

    Thursday: Sunny, with a high near 71. Light and variable wind becoming north northwest 5 to 9 mph in the afternoon.

    Sunny

    High: 71 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 46. North northwest wind 5 to 9 mph becoming light and variable  after midnight.

    Mostly Clear

    Low: 46 °F

  • Friday

    Friday: Sunny, with a high near 70. Calm wind becoming north 5 to 8 mph in the afternoon.

    Sunny

    High: 70 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 47. West southwest wind 5 to 7 mph becoming light and variable  after midnight.

    Partly Cloudy

    Low: 47 °F

  • Saturday

    Saturday: Mostly cloudy, with a high near 66.

    Mostly Cloudy

    High: 66 °F

  • Saturday
    Night

    Saturday Night: A 20 percent chance of rain after midnight.  Mostly cloudy, with a low around 50.

    Mostly Cloudy
    then Slight
    Chance Rain

    Low: 50 °F

  • Sunday

    Sunday: Rain.  Cloudy, with a high near 59.

    Rain

    High: 59 °F

  • Sunday
    Night

    Sunday Night: Rain likely, mainly before midnight.  Mostly cloudy, with a low around 46.

    Rain Likely

    Low: 46 °F

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 49. Light south southwest wind.
Thursday
Sunny, with a high near 71. Light and variable wind becoming north northwest 5 to 9 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 46. North northwest wind 5 to 9 mph becoming light and variable after midnight.
Friday
Sunny, with a high near 70. Calm wind becoming north 5 to 8 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 47. West southwest wind 5 to 7 mph becoming light and variable after midnight.
Saturday
Mostly cloudy, with a high near 66.
Saturday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 50.
Sunday
Rain. Cloudy, with a high near 59.
Sunday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 46.
Monday
A slight chance of rain. Mostly sunny, with a high near 62.
Monday Night
Mostly clear, with a low around 45.
Tuesday
Mostly sunny, with a high near 69.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Mostly sunny, with a high near 74.
Click Map For Forecast
Point Forecast:
Cupertino CA
 37.33°N 122.04°W (Elev. 243 ft)
2:32 am PDT Apr 22, 2021
3am PDT Apr 22, 2021-6pm PDT Apr 28, 2021
 
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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