Cupertino, CA Hourly Weather

Hour-by-Hour Forecast

Today's Weather Breakdown

Currently 65°F and partially cloudy. Today in Cupertino, CA: high of 75°F, low of 54°F with partially cloudy. Dry conditions expected throughout the day.

Currently65°F · Partially cloudy
Today's High75°F
Today's Low54°F
Rain Chance3%

Hour-by-Hour Temperature & Rain Probability

In Cupertino, CA today, temperatures start near 54°F in the early morning and climb toward a high of 75°F in the afternoon. No significant rain is expected — good conditions for outdoor plans throughout the day.

Reading the Hourly Weather Forecast

The hour-by-hour table shows temperature, feels-like temperature, precipitation probability, wind speed, humidity, and UV index for each hour of the day in Cupertino. Rain probability above 40% for a given hour indicates a meaningful chance of precipitation during that window. UV index above 6 means sun protection is recommended for extended time outdoors.

Hourly forecasts are updated from live weather station data. For the full multi-day picture, see the Cupertino 10-day forecast or check tomorrow's rain forecast for precipitation timing.

Hour-by-Hour Forecast for Cupertino, CA

TimeTempFeels LikeRainConditions
12:00 AM56°F56°F0%Clear
1:00 AM55°F55°F0%Clear
2:00 AM55°F55°F0%Clear
3:00 AM55°F55°F0%Clear
4:00 AM54°F54°F0%Clear
5:00 AM54°F54°F0%Clear
6:00 AM54°F54°F0%Clear
7:00 AM54°F54°F0%Clear
8:00 AM57°F57°F0%Clear
9:00 AM60°F60°F0%Partially cloudy
10:00 AM64°F64°F0%Partially cloudy
11:00 AM67°F67°F0%Partially cloudy
12:00 PM69°F69°F0%Clear
1:00 PM71°F71°F0%Clear
2:00 PM74°F74°F0%Clear
3:00 PM74°F74°F0%Partially cloudy
4:00 PM73°F73°F0%Partially cloudy
5:00 PM71°F71°F0%Partially cloudy
6:00 PM75°F75°F0%Clear
7:00 PM70°F70°F0%Partially cloudy
8:00 PM64°F64°F1%Clear
9:00 PM61°F61°F2%Partially cloudy
10:00 PM59°F59°F2%Partially cloudy
11:00 PM57°F57°F3%Partially cloudy

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