Cupertino, CA 7-Day Weather Forecast

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Cupertino, CA 7-Day Weather Forecast

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Cupertino CA weather  - Mostly Cloudy - 57°F
Mostly Cloudy
57°F
Updated 2:24 am
Feels Like 52°F
Humidity 88%
Wind NE 6 mph
Barometer  29.91 in
Dew Point 54°F
Cupertino CA weather  - Mostly Cloudy - 14°C
Mostly Cloudy
14°C
Updated 2:24 am
Feels Like 11°C
Humidity 88%
Wind NE 10 km/h
Barometer  101.3 kPa
Dew Point 12°C
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Cupertino Weather Forecast

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Cupertino, CA Weather Forecast Date: 902 PM PDT Sat Sep 26 2026

Weather forecast for Cupertino, CA


Tonight
Cupertino CA Weather for Tonight - Partly Cloudy
Lo: 51°F
Lo: 11°C
Tonight... Partly cloudy late in the evening then becoming mostly cloudy. Lows in the lower 50s. West winds around 5 mph...Becoming south after midnight.
Sun
Cupertino CA Weather for Sunday - Patchy Fog
Hi: 71°FHi: 22°C
Lo: 51°F
Lo: 11°C
Sunday... Mostly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the lower 70s. South winds up to 5 mph increasing to northwest 10 to 15 mph in the afternoon.
Mon
Cupertino CA Weather for Monday - Patchy Fog
Hi: 79°FHi: 26°C
Lo: 55°F
Lo: 13°C
Monday... Mostly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the upper 70s. South winds around 5 mph...Becoming west in the afternoon.
Tue
Cupertino CA Weather for Tuesday - Sunny
Hi: 89°FHi: 32°C
Lo: 60°F
Lo: 16°C
Tuesday... Sunny. Highs in the upper 80s.
Wed
Cupertino CA Weather for Wednesday - Clear
Hi: 90°FHi: 32°C
Lo: 60°F
Lo: 16°C
Wednesday... Clear. Lows around 60. Highs near 90.
Wed
Cupertino CA Weather for Wednesday - Clear
Hi: 90°FHi: 32°C
Lo: 60°F
Lo: 16°C
Wednesday... Clear. Lows around 60. Highs near 90.
Thu
Cupertino CA Weather for Thursday - Mostly Clear
Hi: 86°FHi: 30°C
Lo: 60°F
Lo: 16°C
Thursday... Mostly clear. Highs in the mid 80s to lower 90s. Lows around 60.
Fri
Cupertino CA Weather for Friday - Mostly Clear
Hi: 86°FHi: 30°C
Lo: 60°F
Lo: 16°C
Friday... Mostly clear. Highs in the mid 80s to lower 90s. Lows around 60.
Sat
Cupertino CA Weather for Saturday - Mostly Clear
Hi: 86°FHi: 30°C
Lo: 60°F
Lo: 16°C
Saturday... Mostly clear. Highs in the mid 80s to lower 90s. Lows around 60.

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