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 86.
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: Jul 11, 2026 3:28 PM PDT.
The active forecast window currently covers Jul 14 to Jul 17, 2026 for Cupertino, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 14 to Jul 17, 2026
- Latest sync
- Jul 11, 2026 3:28 PM PDT
- Forecast office
- MTR
- Source
- NOAA / NWS
Daily Outlook
This Week in Cupertino
Tuesday looks like the warmest upcoming period in Cupertino at 86 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 53 degrees F.
The strongest winds are forecast for Tuesday at about 3 to 9 mph SW.
The forecast from Jul 14 through Jul 17 stays mostly dry.
Forecast Details
- Last updated
- Jul 11, 2026 3:28 PM PDT
- Coverage
- 5 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 58.
Sunny, with a high near 81.
Partly cloudy, with a low around 53.
Mostly sunny, with a high near 78.
Partly cloudy, with a low around 53.
Mostly sunny, with a high near 76.
Mostly cloudy, with a low around 55.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jul 14
|
Sunny
|
86°F |
3 to 9 mph
SW
|
|
Tuesday Night
Jul 14
|
Mostly Clear
|
58°F |
8 mph
SW
|
|
Wednesday
Jul 15
|
Sunny
|
81°F |
9 mph
SW
|
|
Wednesday Night
Jul 15
|
Partly Cloudy
|
53°F |
9 mph
SW
|
|
Thursday
Jul 16
|
Mostly Sunny
|
78°F |
9 mph
SW
|
|
Thursday Night
Jul 16
|
Partly Cloudy
|
53°F |
9 mph
SW
|
|
Friday
Jul 17
|
Mostly Sunny
|
76°F |
9 mph
SW
|
|
Friday Night
Jul 17
|
Mostly Cloudy
|
55°F |
9 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Cupertino.
