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. High near 72, with temperatures falling to around 70 in the afternoon. North wind 5 to 8 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: Oct 13, 2026 10:51 AM PDT.
The active forecast window currently covers Oct 13 to Oct 19, 2026 for Cupertino, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 19, 2026
- Latest sync
- Oct 13, 2026 10:51 AM PDT
- Forecast office
- MTR
- Source
- NOAA / NWS
Daily Outlook
This Week in Cupertino
Friday looks like the warmest upcoming period in Cupertino at 89 degrees F.
Tonight is the coolest period ahead with temperatures near 48 degrees F.
The strongest winds are forecast for Monday at about 8 to 12 mph WSW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 13, 2026 10:51 AM PDT
- Coverage
- 8 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 48. Southwest wind around 3 mph.
Sunny. High near 76, with temperatures falling to around 74 in the afternoon. West northwest wind 1 to 5 mph.
Mostly clear, with a low around 52. West southwest wind 0 to 3 mph.
Sunny, with a high near 86. North northeast wind 0 to 7 mph.
Mostly clear, with a low around 58.
Sunny, with a high near 89.
Clear, with a low around 60.
Sunny, with a high near 86.
Mostly clear, with a low around 53.
Sunny, with a high near 72.
Partly cloudy, with a low around 50.
A slight chance of rain after 11am. Mostly sunny, with a high near 66.
A slight chance of rain. Partly cloudy, with a low around 49.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Oct 13
|
Sunny
|
72°F |
5 to 8 mph
N
|
|
Tonight
Oct 13
|
Mostly Clear
|
48°F |
3 mph
SW
|
|
Wednesday
Oct 14
|
Sunny
|
76°F |
1 to 5 mph
WNW
|
|
Wednesday Night
Oct 14
|
Mostly Clear
|
52°F |
0 to 3 mph
WSW
|
|
Thursday
Oct 15
|
Sunny
|
86°F |
0 to 7 mph
NNE
|
|
Thursday Night
Oct 15
|
Mostly Clear
|
58°F |
0 to 3 mph
NE
|
|
Friday
Oct 16
|
Sunny
|
89°F |
2 to 7 mph
NNE
|
|
Friday Night
Oct 16
|
Clear
|
60°F |
0 to 3 mph
NNE
|
|
Saturday
Oct 17
|
Sunny
|
86°F |
1 to 5 mph
N
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
53°F |
5 mph
SW
|
|
Sunday
Oct 18
|
Sunny
|
72°F |
3 to 8 mph
SW
|
|
Sunday Night
Oct 18
|
Partly Cloudy
|
50°F |
9 mph
WSW
|
|
Monday
Oct 19
|
Slight Chance Light Rain
|
66°F |
8 to 12 mph
WSW
|
|
Monday Night
Oct 19
|
Slight Chance Light Rain
|
49°F |
6 to 12 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Cupertino.