Cupertino, CA Weather Forecast

Local 7-day forecast

69°
F

Chance Rain Showers then Partly Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Cupertino, CA in one place.

Thursday, May 28, 2026
Wind: 6 to 9 mph SSE
Thursday

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 7-day forecast

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
Next High
69°F
Thursday
Next Low
50°F
Thursday Night
Rain Outlook
1
Periods mentioning precipitation
Windiest
8 to 12 mph
Friday

Daily Outlook

Today
May 28
Chance Rain Showers then Partly Sunny
69 °F
/ 50°F
Wind 6 to 9 mph
Fri
May 29
Mostly Sunny
64 °F
/ 49°F
Wind 8 to 12 mph
Sat
May 30
Mostly Sunny
70 °F
/ 48°F
Wind 10 mph
Sun
May 31
Sunny
78 °F
/ 51°F
Wind 3 to 9 mph
Mon
Jun 1
Sunny
82 °F
/ 53°F
Wind 3 to 8 mph
Tue
Jun 2
Sunny
78 °F
/ 52°F
Wind 5 to 8 mph

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 source

Extended Forecast

Thursday Night
May 28
50°F
Mostly Cloudy
6 to 9 mph WSW

Mostly cloudy, with a low around 50. West southwest wind 6 to 9 mph, with gusts as high as 18 mph.

Friday
May 29
64°F
Mostly Sunny
8 to 12 mph SW

Mostly sunny, with a high near 64. Southwest wind 8 to 12 mph, with gusts as high as 21 mph.

Friday Night
May 29
49°F
Partly Cloudy
10 mph SW

Partly cloudy, with a low around 49.

Saturday
May 30
70°F
Mostly Sunny
10 mph SW

Mostly sunny, with a high near 70.

Saturday Night
May 30
48°F
Mostly Clear
5 to 9 mph SW

Mostly clear, with a low around 48.

Sunday
May 31
78°F
Sunny
3 to 9 mph SW

Sunny, with a high near 78.

Sunday Night
May 31
51°F
Mostly Clear
5 to 9 mph SW

Mostly clear, with a low around 51.

Monday
Jun 1
82°F
Sunny
3 to 8 mph WSW

Sunny, with a high near 82.

Monday Night
Jun 1
53°F
Mostly Clear
5 to 8 mph SW

Mostly clear, with a low around 53.

Tuesday
Jun 2
78°F
Sunny
5 to 8 mph WSW

Sunny, with a high near 78.

Tuesday Night
Jun 2
52°F
Partly Cloudy
8 mph WSW

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
Cupertinocitycenter
Cupertinocitycenter image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.