Widespread Showers in the Eastern US; Severe Thunderstorms in the Plains; Heatwave in the Desert Southwest

Widespread showers and thunderstorms across much of the central and eastern U.S. will produce areas of excessive rainfall, especially in the southern Mid-Atlantic states. Scattered severe thunderstorms are expected from Montana into portions of the central/southern Plains this weekend. A heatwave will build in the Desert Southwest, in parts of Arizona, southeastern California, and southern Nevada. Read More >

Current conditions at

Mountain View, Moffett Field (KNUQ)

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

54°F

12°C

Humidity	81%
Wind Speed	N 0 MPH
Barometer	30.0 in (1015.92 mb)
Dewpoint	48°F (9°C)
Visibility	9.00 mi
Last update	15 Jun 04:35 AM PDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Sunnyvale CA

Today
High: 75 °F
Becoming
Sunny
Tonight
Low: 51 °F
Mostly Clear
Monday
High: 71 °F
Sunny
Monday Night
Low: 51 °F
Mostly Clear
Tuesday
High: 77 °F
Sunny
Tuesday Night
Low: 54 °F
Mostly Clear
Wednesday
High: 80 °F
Sunny
Wednesday Night
Low: 53 °F
Mostly Clear
Juneteenth
High: 73 °F
Sunny

Detailed Forecast

Today

Mostly cloudy through mid morning, then gradual clearing, with a high near 75. Light and variable wind becoming north northwest 5 to 10 mph in the afternoon.

Tonight

Mostly clear, with a low around 51. West northwest wind 3 to 8 mph.

Monday

Sunny, with a high near 71. Light west southwest wind becoming west northwest 6 to 11 mph in the morning. Winds could gust as high as 18 mph.

Monday Night

Mostly clear, with a low around 51. West wind 5 to 10 mph, with gusts as high as 18 mph.

Tuesday

Sunny, with a high near 77. Light west wind becoming west northwest 5 to 9 mph in the afternoon.

Tuesday Night

Mostly clear, with a low around 54.

Wednesday

Sunny, with a high near 80.