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

Blizzard Conditions Continue Tonight Across Coastal Maine; Critical Fire Weather in the Southern Plains Tuesday

Heavy snow and strong winds will continue into Tuesday morning across Maine as the major winter storm departs off the coast. Blizzard Warnings and Winter Storm Warnings remain in effect. Strong winds and dry conditions will promote elevated to critical fire weather conditions across southeast Colorado into the southern High Plains Tuesday. Read More >

Current conditions at

LOS ALTOS (LOAC1)

Lat: 37.35472°NLon: 122.14167°WElev: 539.0ft.

NA

38°F

3°C

Humidity 85%
Wind Speed WSW 3 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 21 Feb 04:10 AM PST
Extended Forecast for

Cupertino CA

  • Overnight

    Overnight: A 30 percent chance of rain, mainly before 2am. Mostly cloudy, with a low around 53. Light southeast wind.

    Low: 53 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain, mainly after 2pm. High near 67. South wind 7 to 9 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 67 °F

    Slight Chance
    Rain then
    Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly before midnight. Patchy fog after 2am. Low around 54. Southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 54 °F

    Rain then
    Chance Rain
    and Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 68. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 68 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 50. Light north wind.

    Low: 50 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 72.

    High: 72 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of rain, mainly before 2am. Mostly cloudy, with a low around 53. Light southeast wind.
Tuesday
Rain, mainly after 2pm. High near 67. South wind 7 to 9 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Rain, mainly before midnight. Patchy fog after 2am. Low around 54. Southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 68. Calm wind becoming north northwest around 5 mph in the afternoon.
Wednesday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 50. Light north wind.
Thursday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 72.
Thursday Night
Mostly cloudy, with a low around 52.
Friday
Partly sunny, with a high near 73.
Friday Night
Mostly cloudy, with a low around 52.
Saturday
Mostly sunny, with a high near 72.
Saturday Night
A slight chance of rain. Mostly cloudy, with a low around 51.
Sunday
Partly sunny, with a high near 67.
Sunday Night
A slight chance of rain. Mostly cloudy, with a low around 48.
Monday
Mostly sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cupertino CA
 37.31°N 122.03°W (Elev. 262 ft)
Last Update:
12:26 am PST Feb 24, 2026
Forecast Valid:
1am PST Feb 24, 2026-6pm PST Mar 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation