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 84. West southwest wind 3 to 9 mph.
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: Jun 12, 2026 12:45 AM PDT.
The active forecast window currently covers Jun 13 to Jun 18, 2026 for Cupertino, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 13 to Jun 18, 2026
- Latest sync
- Jun 12, 2026 12:45 AM PDT
- Forecast office
- MTR
- Source
- NOAA / NWS
Daily Outlook
This Week in Cupertino
Saturday looks like the warmest upcoming period in Cupertino at 84 degrees F.
Sunday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Thursday at about 8 to 12 mph SW.
The forecast from Jun 13 through Jun 18 stays mostly dry.
Forecast Details
- Last updated
- Jun 12, 2026 12:45 AM PDT
- Coverage
- 6 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
Mostly clear, with a low around 55. West wind 5 to 9 mph.
Sunny, with a high near 80.
Mostly clear, with a low around 54.
Sunny, with a high near 79.
Mostly clear, with a low around 54.
Sunny, with a high near 80.
Mostly clear, with a low around 56.
Sunny, with a high near 78.
Partly cloudy, with a low around 54.
Sunny, with a high near 72.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Jun 13
|
Sunny
|
84°F |
3 to 9 mph
WSW
|
|
Saturday Night
Jun 13
|
Mostly Clear
|
55°F |
5 to 9 mph
W
|
|
Sunday
Jun 14
|
Sunny
|
80°F |
5 to 9 mph
W
|
|
Sunday Night
Jun 14
|
Mostly Clear
|
54°F |
6 to 9 mph
WSW
|
|
Monday
Jun 15
|
Sunny
|
79°F |
6 to 9 mph
WSW
|
|
Monday Night
Jun 15
|
Mostly Clear
|
54°F |
9 mph
WSW
|
|
Tuesday
Jun 16
|
Sunny
|
80°F |
6 to 9 mph
WSW
|
|
Tuesday Night
Jun 16
|
Mostly Clear
|
56°F |
6 to 9 mph
WSW
|
|
Wednesday
Jun 17
|
Sunny
|
78°F |
6 to 10 mph
WSW
|
|
Wednesday Night
Jun 17
|
Partly Cloudy
|
54°F |
10 mph
WSW
|
|
Thursday
Jun 18
|
Sunny
|
72°F |
8 to 12 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Cupertino.