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Cupertino CA Weather - Overcast - 60°F
Overcast
60°F
Updated 8:31 am
Feels Like 56°F
Humidity 82%
Wind N 0 mph
Barometer  30.04 in
Dew Point 55°F
Cupertino CA Weather - Overcast - 16°C
Overcast
16°C
Updated 8:31 am
Feels Like 14°C
Humidity 82%
Wind N 0 km/h
Barometer  101.7 kPa
Dew Point 13°C
Cupertino, CA Weather and Current Conditionscupertino ca weather forecast

Cupertino, CA Weather Forecast

Cupertino California WeatherCupertino, California Weather Weather Forecast
Here is the API 14 day weather forecast for Cupertino, California. Note: The 7-day weather forecast for Cupertino, CA is the most reliable and accurate weather forecast. This template should only be used as a probable scenario. Forecasting weather beyond the next 7 days is a challenge.
Cupertino, CA Weather Forecast Dated: 831 AM Sat Sep 19 2026
Expect a very warm period with plenty of sunshine and mostly dry weather over the coming period. moderate humidity and no major pressure swings will dominate.

Saturday, September 19, 2026

Mid-Morning
Cupertino Weather - 2026-09-19 - Morning - Sunny
63°F 17°C
Sunny
Mid-Afternoon
Cupertino Weather - 2026-09-19 - Afternoon - Sunny
84°F 29°C
Sunny
Early-Evening
Cupertino Weather - 2026-09-19 - Evening - Sunny
70°F 21°C
Sunny
Warm and summery near 84°F 29°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure.

Sunday, September 20, 2026

Mid-Morning
Cupertino Weather - 2026-09-20 - Morning - Overcast
61°F 16°C
Overcast
Mid-Afternoon
Cupertino Weather - 2026-09-20 - Afternoon - Overcast
79°F 26°C
Overcast
Early-Evening
Cupertino Weather - 2026-09-20 - Evening - Overcast
66°F 19°C
Overcast
Comfortable with temperatures reaching 79°F 26°C, overcast throughout the day, with steady humidity and steady pressure.

Monday, September 21, 2026

Mid-Morning
Cupertino Weather - 2026-09-21 - Morning - Sunny
61°F 16°C
Sunny
Mid-Afternoon
Cupertino Weather - 2026-09-21 - Afternoon - Sunny
84°F 29°C
Sunny
Early-Evening
Cupertino Weather - 2026-09-21 - Evening - Sunny
68°F 20°C
Sunny
Quite warm around 84°F 29°C, sunny throughout the day, with steady humidity and steady pressure.

Tuesday, September 22, 2026

Mid-Morning
Cupertino Weather - 2026-09-22 - Morning - Sunny
62°F 17°C
Sunny
Mid-Afternoon
Cupertino Weather - 2026-09-22 - Afternoon - Sunny
87°F 30°C
Sunny
Early-Evening
Cupertino Weather - 2026-09-22 - Evening - Sunny
70°F 21°C
Sunny
Warm temperatures up to 87°F 30°C, sunny throughout the day, with steady humidity and steady pressure.

Wednesday, September 23, 2026

Mid-Morning
Cupertino Weather - 2026-09-23 - Morning - Sunny
70°F 21°C
Sunny
Mid-Afternoon
Cupertino Weather - 2026-09-23 - Afternoon - Overcast
91°F 33°C
Overcast
Early-Evening
Cupertino Weather - 2026-09-23 - Evening - Overcast
77°F 25°C
Overcast
Very hot with a high of 91°F 33°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure.

Thursday, September 24, 2026

Mid-Morning
Cupertino Weather - 2026-09-24 - Morning - Overcast
73°F 23°C
Overcast
Mid-Afternoon
Cupertino Weather - 2026-09-24 - Afternoon - Overcast
88°F 31°C
Overcast
Early-Evening
Cupertino Weather - 2026-09-24 - Evening - Overcast
72°F 23°C
Overcast
Warm and summery near 88°F 31°C, overcast throughout the day, with steady humidity and steady pressure.

Friday, September 25, 2026

Mid-Morning
Cupertino Weather - 2026-09-25 - Morning - Cloudy
69°F 21°C
Cloudy
Mid-Afternoon
Cupertino Weather - 2026-09-25 - Afternoon - Overcast
85°F 29°C
Overcast
Early-Evening
Cupertino Weather - 2026-09-25 - Evening - Sunny
73°F 23°C
Sunny
Balmy with temperatures reaching 85°F 29°C, overcast in the morning, cloudy in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure.

Saturday, September 26, 2026

Mid-Morning
Cupertino Weather - 2026-09-26 - Morning - Sunny
66°F 19°C
Sunny
Mid-Afternoon
Cupertino Weather - 2026-09-26 - Afternoon - Overcast
80°F 27°C
Overcast
Early-Evening
Cupertino Weather - 2026-09-26 - Evening - Overcast
66°F 19°C
Overcast
Quite warm around 80°F 27°C, sunny in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure.

Sunday, September 27, 2026

Mid-Morning
Cupertino Weather - 2026-09-27 - Morning - Sunny
63°F 17°C
Sunny
Mid-Afternoon
Cupertino Weather - 2026-09-27 - Afternoon - Sunny
83°F 28°C
Sunny
Early-Evening
Cupertino Weather - 2026-09-27 - Evening - Sunny
70°F 21°C
Sunny
Warm temperatures up to 83°F 28°C, sunny throughout the day, with steady humidity and steady pressure.

Monday, September 28, 2026

Mid-Morning
Cupertino Weather - 2026-09-28 - Morning - Sunny
66°F 19°C
Sunny
Mid-Afternoon
Cupertino Weather - 2026-09-28 - Afternoon - Sunny
84°F 29°C
Sunny
Early-Evening
Cupertino Weather - 2026-09-28 - Evening - Sunny
66°F 19°C
Sunny
Very warm with a high of 84°F 29°C, sunny throughout the day, with increasing humidity and steady pressure.

Tuesday, September 29, 2026

Mid-Morning
Cupertino Weather - 2026-09-29 - Morning - Sunny
63°F 17°C
Sunny
Mid-Afternoon
Cupertino Weather - 2026-09-29 - Afternoon - Sunny
70°F 21°C
Sunny
Early-Evening
Cupertino Weather - 2026-09-29 - Evening - Sunny
57°F 14°C
Sunny
Pleasant near 70°F 21°C, sunny throughout the day, with steady humidity and steady pressure. Winds out of the NW at 11 mph 17 km/h.

Wednesday, September 30, 2026

Mid-Morning
Cupertino Weather - 2026-09-30 - Morning - Sunny
56°F 13°C
Sunny
Mid-Afternoon
Cupertino Weather - 2026-09-30 - Afternoon - Sunny
71°F 22°C
Sunny
Early-Evening
Cupertino Weather - 2026-09-30 - Evening - Sunny
62°F 17°C
Sunny
Comfortable with temperatures reaching 71°F 22°C, sunny throughout the day, with lower humidity and steady pressure. Winds switching from the NNW to the WNW at 7 mph 10 km/h.

Thursday, October 1, 2026

Mid-Morning
Cupertino Weather - 2026-10-01 - Morning - Sunny
60°F 16°C
Sunny
Mid-Afternoon
Cupertino Weather - 2026-10-01 - Afternoon - Sunny
76°F 24°C
Sunny
Early-Evening
Cupertino Weather - 2026-10-01 - Evening - Sunny
65°F 19°C
Sunny
Enjoyable around 76°F 24°C, sunny throughout the day, with steady humidity and steady pressure. Winds moving from the NNW to the W at 6 mph 10 km/h.

Friday, October 2, 2026

Mid-Morning
Cupertino Weather - 2026-10-02 - Morning - Sunny
64°F 18°C
Sunny
Mid-Afternoon
Cupertino Weather - 2026-10-02 - Afternoon - Sunny
79°F 26°C
Sunny
Early-Evening
Cupertino Weather - 2026-10-02 - Evening - Sunny
70°F 21°C
Sunny
Mild temperatures up to 79°F 26°C, sunny throughout the day, with steady humidity and steady pressure.

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Weather by the Numbers

Sat, 19th
Cupertino CA Weather - Saturday, Sep 19, 2026 - Sunny
Hi: 84°F 29°C
Lo: 55°F 13°C
Sunrise 06:54 AM
Sunset 07:09 PM
Wind N 4 mph7 km/h
Dew Point 49°F9°C
uv Index 6
Barometric Pressure 29.97 in1015 mb
POP 1% *
Humidity 34%
Sun, 20th
Cupertino CA Weather - Sunday, Sep 20, 2026 - Overcast
Hi: 80°F 27°C
Lo: 56°F 13°C
Sunrise 06:54 AM
Sunset 07:08 PM
Wind NNW 3 mph5 km/h
Dew Point 46°F8°C
uv Index 4
Barometric Pressure 29.94 in1014 mb
POP 10% *
Humidity 34%
Mon, 21st
Cupertino CA Weather - Monday, Sep 21, 2026 - Sunny
Hi: 84°F 29°C
Lo: 54°F 12°C
Sunrise 06:55 AM
Sunset 07:06 PM
Wind N 1 mph1 km/h
Dew Point 49°F9°C
uv Index 6
Barometric Pressure 29.88 in1012 mb
POP 1% *
Humidity 35%
Tue, 22nd
Cupertino CA Weather - Tuesday, Sep 22, 2026 - Sunny
Hi: 87°F 30°C
Lo: 55°F 13°C
Sunrise 06:56 AM
Sunset 07:05 PM
Wind NNW 2 mph3 km/h
Dew Point 47°F8°C
uv Index 7
Barometric Pressure 29.88 in1012 mb
POP 1% *
Humidity 31%
Wed, 23rd
Cupertino CA Weather - Wednesday, Sep 23, 2026 - Cloudy
Hi: 93°F 34°C
Lo: 58°F 14°C
Sunrise 06:57 AM
Sunset 07:03 PM
Wind NNE 3 mph5 km/h
Dew Point 45°F7°C
uv Index 7
Barometric Pressure 29.85 in1011 mb
POP 1% *
Humidity 24%
Thu, 24th
Cupertino CA Weather - Thursday, Sep 24, 2026 - Overcast
Hi: 90°F 32°C
Lo: 64°F 18°C
Sunrise 06:58 AM
Sunset 07:02 PM
Wind NW 2 mph3 km/h
Dew Point 38°F3°C
uv Index 7
Barometric Pressure 29.85 in1011 mb
POP 9% *
Humidity 18%
Fri, 25th
Cupertino CA Weather - Friday, Sep 25, 2026 - Cloudy
Hi: 85°F 30°C
Lo: 62°F 17°C
Sunrise 06:59 AM
Sunset 07:00 PM
Wind SE 4 mph7 km/h
Dew Point 47°F8°C
uv Index 6
Barometric Pressure 29.91 in1013 mb
POP 6% *
Humidity 30%
Sat, 26th
Cupertino CA Weather - Saturday, Sep 26, 2026 - Overcast
Hi: 82°F 28°C
Lo: 58°F 15°C
Sunrise 06:59 AM
Sunset 06:59 PM
Wind N 5 mph8 km/h
Dew Point 46°F8°C
uv Index 6
Barometric Pressure 29.94 in1014 mb
POP 3% *
Humidity 32%
Sun, 27th
Cupertino CA Weather - Sunday, Sep 27, 2026 - Sunny
Hi: 83°F 29°C
Lo: 54°F 12°C
Sunrise 07:00 AM
Sunset 06:57 PM
Wind SW 3 mph5 km/h
Dew Point 39°F4°C
uv Index 7
Barometric Pressure 29.94 in1014 mb
POP 0% *
Humidity 25%
Mon, 28th
Cupertino CA Weather - Monday, Sep 28, 2026 - Sunny
Hi: 86°F 30°C
Lo: 58°F 14°C
Sunrise 07:01 AM
Sunset 06:56 PM
Wind WSW 1 mph2 km/h
Dew Point 38°F4°C
uv Index 7
Barometric Pressure 29.83 in1010 mb
POP 0% *
Humidity 22%
Tue, 29th
Cupertino CA Weather - Tuesday, Sep 29, 2026 - Sunny
Hi: 72°F 22°C
Lo: 51°F 11°C
Sunrise 07:02 AM
Sunset 06:54 PM
Wind NW 8 mph13 km/h
Dew Point 35°F2°C
uv Index 6
Barometric Pressure 29.94 in1014 mb
POP 0% *
Humidity 27%
Wed, 30th
Cupertino CA Weather - Wednesday, Sep 30, 2026 - Sunny
Hi: 71°F 22°C
Lo: 50°F 10°C
Sunrise 07:03 AM
Sunset 06:52 PM
Wind NNW 9 mph14 km/h
Dew Point 32°F-0°C
uv Index 5
Barometric Pressure 30.03 in1017 mb
POP 0% *
Humidity 28%
Thu, 1st
Cupertino CA Weather - Thursday, Oct 1, 2026 - Sunny
Hi: 76°F 25°C
Lo: 54°F 12°C
Sunrise 07:04 AM
Sunset 06:51 PM
Wind WSW 7 mph12 km/h
Dew Point 23°F-5°C
uv Index 6
Barometric Pressure 29.91 in1013 mb
POP 0% *
Humidity 17%
Fri, 2nd
Cupertino CA Weather - Friday, Oct 2, 2026 - Sunny
Hi: 79°F 26°C
Lo: 57°F 14°C
Sunrise 07:05 AM
Sunset 06:49 PM
Wind SE 5 mph8 km/h
Dew Point 31°F-0°C
uv Index 6
Barometric Pressure 29.83 in1010 mb
POP 0% *
Humidity 21%
* POP = Probability of Precipitation. Data for 12:00 PM.