Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Scattered strong to severe thunderstorms are possible across parts of the Northeast U.S. on Thursday. Damaging wind, hail, and a tornado or two are possible. Read More >

Current conditions at

LOS ALTOS (LOAC1)

Lat: 37.35472°NLon: 122.14167°WElev: 539.0ft.

78°F

26°C

Humidity	51%
Wind Speed	NNE 2 MPH
Barometer	NA
Dewpoint	58°F (14°C)
Visibility	NA
Heat Index	79°F (26°C)
Last update	26 Aug 07:10 PM PDT

More Information:

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

Extended Forecast for

Cupertino CA

Tonight
Low: 63 °F
Mostly Clear
Thursday
High: 87 °F
Slight Chance
Showers
Thursday Night
Low: 64 °F
Slight Chance
Showers
Friday
High: 81 °F
Slight Chance
Showers
Friday Night
Low: 58 °F
Mostly Clear
Saturday
High: 80 °F
Sunny
Saturday Night
Low: 55 °F
Mostly Clear
Sunday
High: 78 °F
Mostly Sunny
Sunday Night
Low: 56 °F
Mostly Clear

Detailed Forecast

Tonight

Mostly clear, with a low around 63. North wind around 5 mph becoming calm in the evening.

Thursday

A 20 percent chance of showers after 11am. Increasing clouds, with a high near 87. Calm wind becoming north northwest 5 to 7 mph in the afternoon.

Thursday Night

A 20 percent chance of showers. Cloudy, with a low around 64. Light and variable wind.

Friday

A 20 percent chance of showers. Cloudy through mid morning, then gradual clearing, with a high near 81. Calm wind becoming northwest 5 to 7 mph in the afternoon.

Friday Night

Mostly clear, with a low around 58. Northwest wind 3 to 8 mph.

Saturday

Sunny, with a high near 80.

Saturday Night

Mostly clear, with a low around 55.

Sunday

Mostly sunny, with a high near 78.

Sunday Night

Mostly clear, with a low around 56.

Monday

Mostly sunny, with a high near 75.