Unsettled Along the West Coast; Lake Effect Snow in the Great Lakes

The weather along the West Coast from the Pacific Northwest to northern California will remain unsettled this weekend with rain expected along the coast, a mix of rain and snow in inland valleys, and snow in the mountains. Lake effect snow will be possible near the Lower Great Lakes this weekend. Well above average temperatures are expected in the Northern and Central Plains through the weekend. Read More >

Current conditions at

LOS ALTOS (LOAC1)

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

NA

44°F

7°C

Humidity 97%
Wind Speed NE 2 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 06 Mar 05:10 AM PST
Extended Forecast for

Sunnyvale CA

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 61. Light and variable wind becoming north northwest 5 to 10 mph in the morning.

    Becoming
    Sunny

    High: 61 °F

  • Tonight

    Tonight: Mostly clear, with a low around 39. West northwest wind around 6 mph becoming calm  in the evening.

    Mostly Clear

    Low: 39 °F

  • Sunday

    Sunday: Sunny, with a high near 62. Light northwest wind increasing to 5 to 10 mph in the morning.

    Sunny

    High: 62 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 40. West southwest wind 3 to 6 mph.

    Partly Cloudy

    Low: 40 °F

  • Monday

    Monday: A slight chance of showers between 10am and 4pm.  Partly sunny, with a high near 59. Light south southwest wind becoming southwest 5 to 9 mph in the morning.  Chance of precipitation is 20%.

    Slight Chance
    Showers

    High: 59 °F

  • Monday
    Night

    Monday Night: A 40 percent chance of showers after 10pm.  Mostly cloudy, with a low around 41.

    Chance
    Showers

    Low: 41 °F

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after 10am.  Mostly cloudy, with a high near 57. Chance of precipitation is 60%.

    Showers
    Likely

    High: 57 °F

  • Tuesday
    Night

    Tuesday Night: A chance of showers.  Mostly cloudy, with a low around 43.

    Chance
    Showers

    Low: 43 °F

  • Wednesday

    Wednesday: A chance of showers, mainly before 4pm.  Partly sunny, with a high near 58.

    Chance
    Showers

    High: 58 °F

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 61. Light and variable wind becoming north northwest 5 to 10 mph in the morning.
Tonight
Mostly clear, with a low around 39. West northwest wind around 6 mph becoming calm in the evening.
Sunday
Sunny, with a high near 62. Light northwest wind increasing to 5 to 10 mph in the morning.
Sunday Night
Partly cloudy, with a low around 40. West southwest wind 3 to 6 mph.
Monday
A slight chance of showers between 10am and 4pm. Partly sunny, with a high near 59. Light south southwest wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 20%.
Monday Night
A 40 percent chance of showers after 10pm. Mostly cloudy, with a low around 41.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 10am. Mostly cloudy, with a high near 57. Chance of precipitation is 60%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 43.
Wednesday
A chance of showers, mainly before 4pm. Partly sunny, with a high near 58.
Wednesday Night
A slight chance of showers before 10pm. Partly cloudy, with a low around 41.
Thursday
Mostly sunny, with a high near 62.
Thursday Night
Mostly clear, with a low around 41.
Friday
Sunny, with a high near 65.
Click Map For Forecast
Point Forecast:
Sunnyvale CA
 37.38°N 122.05°W (Elev. 118 ft)
4:02 am PST Mar 6, 2021
5am PST Mar 6, 2021-6pm PST Mar 12, 2021
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database