Inclement Weather in the West

A couple of systems will impact the West Coast bringing precipitation to the Pacific Northwest, California, and into the Great Basin through the weekend. Periods of moderate to heavy rain, thunderstorms, gusty winds, and periods of heavy mountain are expected in northern California. Travel impacts are expected due to heavy snow over the Sierras. Read More >

Current conditions at

LOS ALTOS (LOAC1)

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

NA

45°F

7°C

Humidity 77%
Wind Speed W 3 MPH
Barometer 1005.08 mb
Dewpoint 38°F (3°C)
Visibility NA
Last update 04 Apr 02:10 AM PDT
Extended Forecast for

Sunnyvale CA

  • Overnight

    Overnight: Mostly clear, with a low around 44. Calm wind.

    Mostly Clear

    Low: 44 °F

  • Saturday

    Saturday: Rain likely, mainly after 11am.  Mostly cloudy, with a high near 62. Calm wind becoming south southwest 5 to 8 mph in the morning.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Rain Likely

    High: 62 °F

  • Saturday
    Night

    Saturday Night: Rain likely, mainly after 11pm.  Increasing clouds, with a low around 50. Light and variable wind becoming south southeast 5 to 8 mph after midnight.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Rain Likely

    Low: 50 °F

  • Sunday

    Sunday: Rain before 11am, then showers and possibly a thunderstorm after 11am. Some of the storms could produce small hail.  High near 59. Breezy, with a south southeast wind 9 to 14 mph becoming south southwest 17 to 22 mph in the afternoon. Winds could gust as high as 34 mph.  Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Showers and
    Breezy

    High: 59 °F

  • Sunday
    Night

    Sunday Night: Showers likely and possibly a thunderstorm before 11pm, then a chance of rain after 11pm. Some of the storms could produce small hail.  Mostly cloudy, with a low around 44. Southwest wind 10 to 15 mph becoming light and variable. Winds could gust as high as 18 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Showers
    Likely

    Low: 44 °F

  • Monday

    Monday: Rain likely before 11am, then showers likely and possibly a thunderstorm after 11am. Some of the storms could produce small hail.  Mostly cloudy, with a high near 58. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Showers
    Likely

    High: 58 °F

  • Monday
    Night

    Monday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of rain after 11pm. Some of the storms could produce small hail.  Mostly cloudy, with a low around 42. Chance of precipitation is 30%.

    Chance
    Showers

    Low: 42 °F

  • Tuesday

    Tuesday: A chance of rain, mainly after 11am.  Partly sunny, with a high near 62.

    Chance Rain

    High: 62 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 45.

    Partly Cloudy

    Low: 45 °F

Detailed Forecast

Overnight
Mostly clear, with a low around 44. Calm wind.
Saturday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 62. Calm wind becoming south southwest 5 to 8 mph in the morning. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain likely, mainly after 11pm. Increasing clouds, with a low around 50. Light and variable wind becoming south southeast 5 to 8 mph after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain before 11am, then showers and possibly a thunderstorm after 11am. Some of the storms could produce small hail. High near 59. Breezy, with a south southeast wind 9 to 14 mph becoming south southwest 17 to 22 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers likely and possibly a thunderstorm before 11pm, then a chance of rain after 11pm. Some of the storms could produce small hail. Mostly cloudy, with a low around 44. Southwest wind 10 to 15 mph becoming light and variable. Winds could gust as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Rain likely before 11am, then showers likely and possibly a thunderstorm after 11am. Some of the storms could produce small hail. Mostly cloudy, with a high near 58. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of rain after 11pm. Some of the storms could produce small hail. Mostly cloudy, with a low around 42. Chance of precipitation is 30%.
Tuesday
A chance of rain, mainly after 11am. Partly sunny, with a high near 62.
Tuesday Night
Partly cloudy, with a low around 45.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 64.
Wednesday Night
Partly cloudy, with a low around 47.
Thursday
A slight chance of rain. Mostly sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Mostly sunny, with a high near 67.
Click Map For Forecast
Point Forecast:
Sunnyvale CA
 37.38°N 122.05°W (Elev. 118 ft)
3:35 pm PDT Apr 3, 2020
2am PDT Apr 4, 2020-6pm PDT Apr 10, 2020
 
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