Cupertino, CA Weather Forecast
Local 7-day forecast
Chance Rain Showers then Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Cupertino, CA in one place.
A chance of rain showers before 11am. Partly sunny. High near 69, with temperatures falling to around 65 in the afternoon. South southeast wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
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: May 27, 2026 1:38 PM PDT.
The active forecast window currently covers May 28 to Jun 2, 2026 for Cupertino, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 28 to Jun 2, 2026
- Latest sync
- May 27, 2026 1:38 PM PDT
- Forecast office
- MTR
- Source
- NOAA / NWS
Daily Outlook
This Week in Cupertino
Monday looks like the warmest upcoming period in Cupertino at 82 degrees F.
Saturday Night is the coolest period ahead with temperatures near 48 degrees F.
The strongest winds are forecast for Friday at about 8 to 12 mph SW.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- May 27, 2026 1:38 PM PDT
- Coverage
- 7 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 cloudy, with a low around 50. West southwest wind 6 to 9 mph, with gusts as high as 18 mph.
Mostly sunny, with a high near 64. Southwest wind 8 to 12 mph, with gusts as high as 21 mph.
Partly cloudy, with a low around 49.
Mostly sunny, with a high near 70.
Mostly clear, with a low around 48.
Sunny, with a high near 78.
Mostly clear, with a low around 51.
Sunny, with a high near 82.
Mostly clear, with a low around 53.
Sunny, with a high near 78.
Partly cloudy, with a low around 52.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
May 28
|
Chance Rain Showers then Partly Sunny
|
69°F |
6 to 9 mph
SSE
|
|
Thursday Night
May 28
|
Mostly Cloudy
|
50°F |
6 to 9 mph
WSW
|
|
Friday
May 29
|
Mostly Sunny
|
64°F |
8 to 12 mph
SW
|
|
Friday Night
May 29
|
Partly Cloudy
|
49°F |
10 mph
SW
|
|
Saturday
May 30
|
Mostly Sunny
|
70°F |
10 mph
SW
|
|
Saturday Night
May 30
|
Mostly Clear
|
48°F |
5 to 9 mph
SW
|
|
Sunday
May 31
|
Sunny
|
78°F |
3 to 9 mph
SW
|
|
Sunday Night
May 31
|
Mostly Clear
|
51°F |
5 to 9 mph
SW
|
|
Monday
Jun 1
|
Sunny
|
82°F |
3 to 8 mph
WSW
|
|
Monday Night
Jun 1
|
Mostly Clear
|
53°F |
5 to 8 mph
SW
|
|
Tuesday
Jun 2
|
Sunny
|
78°F |
5 to 8 mph
WSW
|
|
Tuesday Night
Jun 2
|
Partly Cloudy
|
52°F |
8 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Cupertino.