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Heat wave to intensify as all-time March records fall across the West. See how hot it will get. Chevron right

Cupertino, CA

90°F
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Cupertino, CA Weather
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Winter Center
Today Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities
Friday, March 20

Current Weather

3:28 PM

90°F
Sunny
RealFeel® 94°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
RealFeel Shade™ 89°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
RealFeel®
94°
RealFeel Shade™
89°
Max UV Index
3.0 (Moderate)
Wind
NNW 3 mph
Wind Gusts
5 mph
Humidity
26%
Indoor Humidity
26% (Ideal Humidity)
Dew Point
51° F
Pressure
↓ 29.90 in
Cloud Cover
0%
Visibility
11 mi
Cloud Ceiling
40000 ft

Day

3/20
92°Hi
RealFeel® 97°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
RealFeel Shade™ 89°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
Hot with plenty of sunshine; caution advised if doing strenuous activities outside
alerts

Heat Advisory

10:00 AM Monday - 8:00 PM Friday

Max UV Index6.0 (High)

AccuLumen Brightness Index™10 (Very Bright)

WindNNE 5 mph

Wind Gusts12 mph

Probability of Precipitation0%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover3%

Morning

Afternoon

Night

3/20
60°Lo
RealFeel® 59°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
Partly cloudy
alerts

Heat Advisory

10:00 AM Monday - 8:00 PM Friday

WindW 6 mph

Wind Gusts8 mph

Probability of Precipitation0%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover37%

Evening

Overnight

Sun & Moon

12 hrs 08 mins
Rise 7:12 AM
Set 7:20 PM
Waxing Crescent
Rise 7:52 AM
Set 9:41 PM

Temperature History

3/20
High
Low
Forecast
92°
60°
Average
66°
44°
Last Year
61°
48°

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World North America United States California Cupertino

Weather Near Cupertino:

  • Oakland, CA
  • San Francisco, CA
  • San Jose, CA
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