Record Heat for the Intermountain West and Northern Plains; Heavy Rainfall and Severe Weather Threats

Record setting heat is expected over the next several days from the Intermountain West through the northern Plains. Furthermore, fire weather concerns increase with dry and breezy conditions. Meanwhile, heavy rainfall and severe thunderstorm threats for the Ohio/Tennessee Valleys, central Appalachians and Southeast today. The threat shifts to central Gulf Coast and across central Texas this week. Read More >

Current conditions at

Mountain View, Moffett Field (KNUQ)

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

Clear

63°F

17°C

Humidity 82%
Wind Speed N 0 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 57°F (14°C)
Visibility 8.00 mi
Last update 12 Jul 08:35 AM PDT
Extended Forecast for

Sunnyvale CA

  • Today

    Today: Mostly cloudy, with a high near 83. Calm wind becoming north northwest 5 to 7 mph in the afternoon.

    High: 83 °F

    Mostly Cloudy

  • Tonight

    Tonight: Increasing clouds, with a low around 65. Light northwest wind.

    Low: 65 °F

    Increasing
    Clouds

  • Monday

    Monday: Cloudy through mid morning, then gradual clearing, with a high near 87. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 87 °F

    Gradual
    Clearing

  • Monday Night

    Monday Night: Mostly clear, with a low around 65. Northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87. Calm wind becoming west northwest 5 to 9 mph in the afternoon.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 83. Calm wind becoming north northwest 5 to 7 mph in the afternoon.
Tonight
Increasing clouds, with a low around 65. Light northwest wind.
Monday
Cloudy through mid morning, then gradual clearing, with a high near 87. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Monday Night
Mostly clear, with a low around 65. Northwest wind 5 to 7 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 87. Calm wind becoming west northwest 5 to 9 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 63.
Wednesday
Sunny, with a high near 84.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Sunny, with a high near 81.
Thursday Night
Partly cloudy, with a low around 58.
Friday
Mostly sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 60.
Saturday
Mostly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Sunnyvale CA
 37.38°N 122.02°W (Elev. 92 ft)
2:36 am PDT Jul 12, 2026
8am PDT Jul 12, 2026-6pm PDT Jul 18, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database