Cupertino, CA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Cupertino, CA in one place.
Sunny, with a high near 66.
Local Weather Overview
This forecast page for Cupertino, CA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 19, 2026 2:17 PM PDT.
The active forecast window currently covers Apr 23 to Apr 25, 2026 for Cupertino, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 23 to Apr 25, 2026
- Latest sync
- Apr 19, 2026 2:17 PM PDT
- Forecast office
- MTR
- Source
- NOAA / NWS
Daily Outlook
This Week in Cupertino
Friday looks like the warmest upcoming period in Cupertino at 68 degrees F.
Thursday Night is the coolest period ahead with temperatures near 47 degrees F.
The strongest winds are forecast for Thursday at about 5 to 10 mph W.
The forecast from Apr 23 through Apr 25 stays mostly dry.
Forecast Details
- Last updated
- Apr 19, 2026 2:17 PM PDT
- Coverage
- 4 days
- Time zone
- America/Los_Angeles
- Forecast office
- MTR
- Radar station
- KMUX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 47.
Sunny, with a high near 68.
Partly cloudy, with a low around 49.
Mostly sunny, with a high near 67.
Partly cloudy, with a low around 50.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Apr 23
|
Sunny
|
66°F |
5 to 10 mph
W
|
|
Thursday Night
Apr 23
|
Partly Cloudy
|
47°F |
7 to 10 mph
WSW
|
|
Friday
Apr 24
|
Sunny
|
68°F |
6 to 10 mph
WSW
|
|
Friday Night
Apr 24
|
Partly Cloudy
|
49°F |
7 to 10 mph
WSW
|
|
Saturday
Apr 25
|
Mostly Sunny
|
67°F |
7 to 10 mph
SW
|
|
Saturday Night
Apr 25
|
Partly Cloudy
|
50°F |
7 to 10 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Cupertino.
