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.

haze

68°F

20°C

Humidity 68%
Wind Speed NNW 12 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 57°F (14°C)
Visibility 6.00 mi
Last update 18 Oct 01:55 PM PDT
Extended Forecast for

Cupertino CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 80. North wind around 9 mph.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 50. North wind 5 to 7 mph becoming calm after midnight.

    Low: 50 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 70. Calm wind becoming north 5 to 9 mph in the morning.

    High: 70 °F

    Decreasing
    Clouds

  • Monday Night

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

    Low: 49 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 71. Light and variable wind.

    High: 71 °F

    Patchy Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 52. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 52 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain likely. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 70. Chance of precipitation is 70%.

    High: 70 °F

    Rain Likely
    and Patchy
    Fog

  • Wednesday Night

    Wednesday Night: A chance of rain. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance Rain
    and Patchy
    Fog

  • Thursday

    Thursday: A chance of rain. Areas of fog before 10am. Otherwise, partly sunny, with a high near 69.

    High: 69 °F

    Chance Rain
    and Areas Fog

Detailed Forecast

This Afternoon
Sunny, with a high near 80. North wind around 9 mph.
Tonight
Increasing clouds, with a low around 50. North wind 5 to 7 mph becoming calm after midnight.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 70. Calm wind becoming north 5 to 9 mph in the morning.
Monday Night
Mostly cloudy, with a low around 49. Northwest wind 5 to 8 mph becoming calm in the evening.
Tuesday
Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 71. Light and variable wind.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 52. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain likely. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 70. Chance of precipitation is 70%.
Wednesday Night
A chance of rain. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 51.
Thursday
A chance of rain. Areas of fog before 10am. Otherwise, partly sunny, with a high near 69.
Thursday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 50.
Friday
Patchy fog. Otherwise, mostly sunny, with a high near 71.
Friday Night
Mostly clear, with a low around 48.
Saturday
Patchy fog. Otherwise, sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cupertino CA
 37.31°N 122.03°W (Elev. 262 ft)
Last Update:
1:47 pm PDT Oct 18, 2026
Forecast Valid:
2pm PDT Oct 18, 2026-6pm PDT Oct 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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