Cupertino, CA Weather Forecast
Local 7-day forecast
Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Cupertino, CA in one place.
Rain before 11am, then showers and thunderstorms. Cloudy, with a high near 58. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
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 9, 2026 2:29 AM PDT.
The active forecast window currently covers Apr 11 to Apr 15, 2026 for Cupertino, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 11 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 2:29 AM PDT
- Forecast office
- MTR
- Source
- NOAA / NWS
Daily Outlook
This Week in Cupertino
Tuesday looks like the warmest upcoming period in Cupertino at 66 degrees F.
Monday Night is the coolest period ahead with temperatures near 44 degrees F.
The strongest winds are forecast for Saturday at about 10 to 18 mph SSW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 2:29 AM 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
Showers and thunderstorms before 2am, then rain. Mostly cloudy, with a low around 46.
Rain before 11am, then showers and thunderstorms between 11am and 5pm, then a chance of rain. Mostly cloudy, with a high near 56.
A chance of rain before 11pm. Partly cloudy, with a low around 45.
Mostly sunny, with a high near 61.
Mostly clear, with a low around 44.
Sunny, with a high near 66.
Mostly clear, with a low around 46.
Mostly sunny, with a high near 66.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 11
|
Showers And Thunderstorms
|
58°F |
10 to 18 mph
SSW
|
|
Saturday Night
Apr 11
|
Showers And Thunderstorms
|
46°F |
12 to 15 mph
SSW
|
|
Sunday
Apr 12
|
Showers And Thunderstorms
|
56°F |
10 to 14 mph
SW
|
|
Sunday Night
Apr 12
|
Chance Light Rain then Partly Cloudy
|
45°F |
5 to 10 mph
WSW
|
|
Monday
Apr 13
|
Mostly Sunny
|
61°F |
5 to 10 mph
W
|
|
Monday Night
Apr 13
|
Mostly Clear
|
44°F |
5 to 10 mph
WSW
|
|
Tuesday
Apr 14
|
Sunny
|
66°F |
5 to 9 mph
WSW
|
|
Tuesday Night
Apr 14
|
Mostly Clear
|
46°F |
6 to 9 mph
WSW
|
|
Wednesday
Apr 15
|
Mostly Sunny
|
66°F |
5 to 9 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Cupertino.