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

Heavy Rain and Mountain Snow For the West Coast; Lake Effect Snow in the Great Lakes

A series of Pacific storms will deliver multiple rounds of heavy rain and mountain snow Wednesday into the Thanksgiving holiday weekend. There is an elevated concern for flash flooding, mudslides and debris flows near wildfire burn scars in California. A weak storm system will cross the Great Lakes Wednesday with accumulating Lake Effect snow. Read More >

Current conditions at

San Jose, San Jose International Airport (KSJC)

Lat: 37.35917°NLon: 121.92417°WElev: 59ft.

Haze

54°F

12°C

Humidity 58%
Wind Speed S 3 MPH
Barometer 30.00 in
Dewpoint 39°F (4°C)
Visibility 5.00 mi
Last update 20 Nov 9:35 pm PST
Extended Forecast for

Cupertino CA

  • Tonight

    Tonight: Rain likely, mainly after 4am. Mostly cloudy, with a low around 49. Southeast wind 6 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Slight Chance
    Rain then
    Rain Likely

    Low: 49 °F

  • Wednesday

    Wednesday: Rain likely before 10am, then showers after 10am. High near 62. South southeast wind 14 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Showers

    High: 62 °F

  • Wednesday
    Night

    Wednesday Night: Showers, mainly before 4am. Low around 48. South wind 5 to 8 mph becoming west southwest after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Showers

    Low: 48 °F

  • Thanksgiving
    Day

    Thanksgiving Day: A chance of showers before 10am, then a slight chance of rain after 10am. Partly sunny, with a high near 62. Calm wind becoming southwest around 6 mph in the morning. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Chance
    Showers

    High: 62 °F

  • Thursday
    Night

    Thursday Night: Rain likely. Mostly cloudy, with a low around 52. South southeast wind around 9 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Rain Likely

    Low: 52 °F

  • Friday

    Friday: Rain. High near 60. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Rain

    High: 60 °F

  • Friday
    Night

    Friday Night: Showers likely. Mostly cloudy, with a low around 50. Chance of precipitation is 70%.

    Showers
    Likely

    Low: 50 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 61.

    Mostly Sunny

    High: 61 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 42.

    Partly Cloudy

    Low: 42 °F

Detailed Forecast

Tonight
Rain likely, mainly after 4am. Mostly cloudy, with a low around 49. Southeast wind 6 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain likely before 10am, then showers after 10am. High near 62. South southeast wind 14 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Showers, mainly before 4am. Low around 48. South wind 5 to 8 mph becoming west southwest after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thanksgiving Day
A chance of showers before 10am, then a slight chance of rain after 10am. Partly sunny, with a high near 62. Calm wind becoming southwest around 6 mph in the morning. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain likely. Mostly cloudy, with a low around 52. South southeast wind around 9 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain. High near 60. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Showers likely. Mostly cloudy, with a low around 50. Chance of precipitation is 70%.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
Mostly sunny, with a high near 63.
Sunday Night
Partly cloudy, with a low around 41.
Monday
Mostly sunny, with a high near 64.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Mostly sunny, with a high near 65.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Cupertino CA
 37.33°N 122.04°W (Elev. 243 ft)
Last Update:
7:32 pm PST Nov 20, 2018
Forecast Valid:
9pm PST Nov 20, 2018-6pm PST Nov 27, 2018
 
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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