Cupertino Weather Today — California, United States
Current temperature, rain chance, humidity, wind and air quality in Cupertino, plus an hourly and 3-day forecast. Updated through the day.
00:09
Sat, 19 Sep 2026
📍 California, United States
Cupertino??
15
°C
Clear
Feels 14°C · 59°F
💧 77% Humidity
💨 ↙ 4.3 km/h SW
👁 10 km Visibility
🌧 0 mm Precip
☁ 1% Cloud
☀️ UV Low
🌿 AQI Good
☀️ UV Index
0
Low
🔵 Pressure
1017
hPa · 30.02 in
💨 Wind
4.3
km/h · Gust 4.4 km/h
↙ SW
💧 Humidity
77%
Dew point 10.9°C
👁 Visibility
10
km · 6 miles
🌡 Heat Index
15°
Wind chill 15.6°C
🌿 Air Quality
Good
US EPA Index: 1
🌅
Sunrise
06:53 AM
🌇
Sunset
07:10 PM
📅 3-Day Forecast
Saturday
19 Sep 2026
Sunny
29°
/
13°
💧58%
🌧0mm
💨11
☀️UV 7.2
Sunday
20 Sep 2026
Overcast
27°
/
14°
💧64%
🌧0mm
💨11
☀️UV 4.5
Monday
21 Sep 2026
Sunny
30°
/
12°
💧64%
🌧0mm
💨9
☀️UV 6.3
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