Cupertino, CA

4:38 PM PDT on October 21, 2019 (GMT -0700)
Glenbrook | | Change Station
Active Advisory: Fire Weather Watch

Elev 276 ft 37.33 °N, 122.05 °W | Updated 7 minutes ago

Clear
Clear
79.7 °F
Feels Like 79 °F
N
0
Wind Variable Wind from WSW
Gusts 0.0 mph

Today
High -- | Low -- °F
--% Chance of Precip.
Yesterday
High -- | Low -- °F
Precip. -- in
Pressure 30.09 in
Visibility 10.0 miles
Clouds Clear
Heat Index 79 °F
Dew Point 49 °F
Humidity 34%
Rainfall 0.00 in
Snow Depth Not available.
7:21 AM 6:23 PM
Last Quarter, 45% visible
METAR KSJC 212253Z 30011KT 10SM CLR 28/10 A3009 RMK AO2 SLP188 T02830100
Pressure 30.09 in
Visibility 10.0 miles
Clouds Clear
Heat Index 79 °F
Dew Point 49 °F
Humidity 34%
Rainfall 0.00 in
Snow Depth Not available.
7:21 AM 6:23 PM
Last Quarter, 45% visible
METAR KSJC 212253Z 30011KT 10SM CLR 28/10 A3009 RMK AO2 SLP188 T02830100

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10-Day Weather Forecast

Almanac

Astronomy

Oct. 21, 2019 Rise Set
Actual Time
Civil Twilight
Nautical Twilight
Astronomical Twilight
Moon
Length of Visible Light
Length of Day
Tomorrow will be .
, % of the Moon is Illuminated

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Category 6

Welcome to Category 6. This is the collective home for Weather Underground's featured writeups by Dr. Jeff Masters (right), Bob Henson (left), Chris Burt, and other regular contributors.

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Air Quality

  Air Quality AQ Index Pollutant
Not available.

Snow Depth

Station Depth Elevation

Earthquake Activity

City Distance Mag. Time & Date
Minimum magnitude displayed is 2.5.

Coastal Water Temperatures

Place Temperature

Stations

Nearby Weather Stations

Station Location Temp. Windchill Dew Point Humidity Wind Precip. Elev Updated Type
                   

Watches & Warnings

Fire Weather Watch
Issued: 1:27 PM PDT Oct. 21, 2019 – National Weather Service

... Fire Weather Watch in effect from Wednesday evening through
Thursday afternoon for dry offshore winds and low humidity for
fire weather zone 512...

The National Weather Service in San Francisco has issued a Fire
Weather Watch, which is in effect from Wednesday evening through
Thursday afternoon.

* Affected area... the Santa Cruz Mountains above 1000 feet. Fire
weather zone 512.

* Wind... north to northeast winds 10 to 20 mph with gusts up to 30
mph.

* Humidity... overnight humidity recovery of 25 to 35 percent.
Widespread minimum daytime humidity values Thursday in the
teens.

* Highest threat... higher terrain above 1000 feet.

* Impacts... any fires that develop will likely spread rapidly.
Outdoor burning is not recommended.

Precautionary/preparedness actions...

A Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible
red flag warnings.