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

Mountain View, Moffett Field (KNUQ)

Lat: 37.40583°NLon: 122.04806°WElev: 33.0ft.

Overcast

57°F

14°C

Humidity 82%
Wind Speed NW 4 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 52°F (11°C)
Visibility 9.00 mi
Last update 18 Oct 09:35 PM PDT
Extended Forecast for

Sunnyvale CA

  • Tonight

    Tonight: Increasing clouds, with a low around 51. West northwest wind 3 to 8 mph.

    Low: 51 °F

    Increasing
    Clouds

  • Monday

    Monday: Sunny, then becoming mostly cloudy during the afternoon, with a high near 69. Light west northwest wind becoming north northwest 5 to 10 mph in the morning.

    High: 69 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 49. West northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 49 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 70. Calm wind.

    High: 70 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 52. North northwest wind around 5 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Chance Rain
    and Patchy
    Fog

  • Wednesday

    Wednesday: Rain likely. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 69. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 69 °F

    Rain Likely
    and Patchy
    Fog

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance Rain
    and Patchy
    Fog

  • Thursday

    Thursday: A chance of rain. Patchy fog before 11am. Otherwise, partly sunny, with a high near 68.

    High: 68 °F

    Chance Rain
    and Patchy
    Fog

  • Thursday Night

    Thursday Night: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy
    then Patchy
    Fog

Detailed Forecast

Tonight
Increasing clouds, with a low around 51. West northwest wind 3 to 8 mph.
Monday
Sunny, then becoming mostly cloudy during the afternoon, with a high near 69. Light west northwest wind becoming north northwest 5 to 10 mph in the morning.
Monday Night
Mostly cloudy, with a low around 49. West northwest wind 5 to 8 mph becoming calm in the evening.
Tuesday
Mostly cloudy, with a high near 70. Calm wind.
Tuesday Night
A 50 percent chance of rain. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 52. North northwest wind around 5 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain likely. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 69. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 40 percent chance of rain. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 51.
Thursday
A chance of rain. Patchy fog before 11am. Otherwise, partly sunny, with a high near 68.
Thursday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 50.
Friday
Patchy fog before 10am. Otherwise, sunny, with a high near 69.
Friday Night
Patchy fog. Otherwise, mostly clear, with a low around 48.
Saturday
Patchy fog. Otherwise, sunny, with a high near 71.
Saturday Night
Mostly clear, with a low around 48.
Sunday
A slight chance of rain. Mostly sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sunnyvale CA
 37.38°N 122.02°W (Elev. 92 ft)
Last Update:
8:41 pm PDT Oct 18, 2026
Forecast Valid:
9pm PDT Oct 18, 2026-6pm PDT Oct 25, 2026
 
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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