Severe Thunderstorms in the Central Plains and Lower Missouri Valley; Heat Continues in the Southeast and Southwest
Severe thunderstorms capable of large hail and damaging wind gusts are forecast to impact the central Plains into the Lower Missouri Valley through this afternoon. Dangerous heat persists across the southern Plains, Southeast U.S. and Puerto Rico this week, and will return to the Southwest today. Read More >
Current conditions at
Mountain View, Moffett Field (KNUQ)
Lat: 37.40583°NLon: 122.04806°WElev: 33.0ft.
Overcast
63°F
17°C
| Humidity | 77% |
| Wind Speed | N 4 MPH |
| Barometer | 30.06 in (1017.95 mb) |
| Dewpoint | 55°F (13°C) |
| Visibility | 10.00 mi |
| Last update | 18 Aug 08:40 AM PDT |
Extended Forecast for
Sunnyvale CA
Today
High: 81 °F
Becoming
SunnyTonight
Low: 59 °F
Increasing
CloudsWednesday
High: 80 °F
Decreasing
CloudsWednesday Night
Low: 60 °F
Partly Cloudy
Thursday
High: 79 °F
Partly Sunny
Thursday Night
Low: 59 °F
Mostly Cloudy
Friday
High: 77 °F
Mostly Sunny
Friday Night
Low: 58 °F
Mostly Clear
Saturday
High: 77 °F
Mostly Sunny
Detailed Forecast
Today
Mostly cloudy early, then gradual clearing, with a high near 81. Calm wind becoming north northwest 5 to 8 mph in the afternoon.
Tonight
Increasing clouds, with a low around 59. North northwest wind 5 to 7 mph becoming calm in the evening.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 80. Calm wind becoming northwest 5 to 8 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 60. West wind 3 to 8 mph.
Thursday
Partly sunny, with a high near 79. Calm wind becoming northwest 5 to 8 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 77.
Friday Night
Mostly clear, with a low around 58.
Saturday
Mostly sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Mostly sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 58.
Monday
Mostly sunny, with a high near 76.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Sunnyvale CA
37.38°N 122.05°W (Elev. 118 ft)
37.38°N 122.05°W (Elev. 118 ft)
2:21 am PDT Aug 18, 2026
9am PDT Aug 18, 2026-6pm PDT Aug 24, 2026
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