Live Weather & Forecast
Weather in Cupertino
California, United States · Real-time conditions & 3-day outlook
14°C
Feels like 13°C
58°F / Feels 55°F
Partly cloudy
Cupertino, California
🌞 Daytime
Updated: 2026-04-12 10:30
Humidity
72%
Wind
19.8 km/h SSW
Wind Gust
27.8 km/h
Pressure
1012 mb
Visibility
16 km
UV Index
0.8
(Low)
Precipitation
0.02 mm
Cloud Cover
75%
Dew Point
6.5°C
Wind Degree
212°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
156.9 μg/m³
NO₂
2.4 μg/m³
O₃
89 μg/m³
SO₂
1.3 μg/m³
PM 2.5
4.5 μg/m³
PM 10
6.4 μg/m³
Today's Hourly Forecast
24-hour breakdown for Cupertino, California
12 AM
10°
Clear
1 AM
10°
Patchy rain nearby
2 AM
10°
Clear
3 AM
10°
Patchy rain nearby
4 AM
9°
Patchy rain nearby
5 AM
9°
Light drizzle
6 AM
9°
Patchy rain nearby
7 AM
10°
Patchy rain nearby
8 AM
11°
Sunny
9 AM
12°
Partly Cloudy
10 AM
14°
Partly cloudy
11 AM
13°
Patchy rain nearby
12 PM
13°
Light rain
1 PM
13°
Partly Cloudy
2 PM
13°
Cloudy
3 PM
13°
Cloudy
4 PM
13°
Cloudy
5 PM
13°
Light rain shower
6 PM
12°
Cloudy
7 PM
11°
Cloudy
8 PM
11°
Overcast
9 PM
11°
Partly Cloudy
10 PM
9°
Partly Cloudy
11 PM
10°
Partly Cloudy
3-Day Forecast
Daily overview for Cupertino, California
Today
Moderate rain
14°
/
7°
🌧️ 89% chance of rain
💧 Avg. humidity: 79%
💨 Max wind: 23 km/h
🌧️ Total precip: 5.36 mm
☀️ UV Index: 1.2
🌅 Sunrise: 06:37 AM
🌇 Sunset: 07:41 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Cloudy
16°
/
9°
🌧️ 0% chance of rain
💧 Avg. humidity: 76%
💨 Max wind: 15.8 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.5
🌅 Sunrise: 06:36 AM
🌇 Sunset: 07:42 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Overcast
15°
/
8°
🌧️ 0% chance of rain
💧 Avg. humidity: 79%
💨 Max wind: 14.4 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.6
🌅 Sunrise: 06:34 AM
🌇 Sunset: 07:43 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Best Time to Visit Cupertino
Plan your trip to Cupertino, United States around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Cupertino?
Current conditions in Cupertino: Partly cloudy, temperature 14°C, humidity 72%.
What is the best time to visit Cupertino?
The best time to visit Cupertino is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Cupertino?
Cupertino is located at approximately 37.3° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Cupertino?
The wettest period in Cupertino is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Cupertino?
For visits to Cupertino during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Cupertino in?
Cupertino is located in United States, in the state of California.
What are the public holidays in Cupertino in 2026?
View the 2026 public holidays for Cupertino on our Holidays page.
What are the GPS coordinates used for the weather forecast in Cupertino?
The weather forecast for Cupertino uses coordinates 37.3229, -122.0323.