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Weather Cupertino: Current forecast

Cupertino / California (CA) / United States

10.4 °C
Feels like 10.7 °C
Min 7 °C / Max 22 °C
Weather Cupertino: Clear, 10 °C Clear
3.6 km/h SW
Wind
10.8 km/h SW
Gusts
1019 hPa
Pressure
0 mm
Precipitation
82 %
Humidity
0
UV index

Pollen (today)

Hazel None
Alder None
Birch High
Oak High
Grass High
Mugwort None
Ragweed None
06:16 / 19:55
Sunrise / Sunset
17:23 / 04:36
Moonrise / Moonset
Waxing Moon (87 %)
Moon phase

Updated: Apr 28, 2026, 13:17 CEST Apr 28, 2026, 4:17 PDT

Today's Summary

If you head out in Cupertino today, you'll see a clear sky. The thermometer currently shows 10.4°C. Don't forget a jacket or jumper. During the day temperatures will range between 7.2°C and 21.6°C.

Hourly forecast – Cupertino, today

Apr 28, 04:00
10 °C
Clear
Cupertino Apr 28, 04:00: Clear, 10 °C
Apr 28, 05:00
8 °C
Clear
Cupertino Apr 28, 05:00: Clear, 8 °C
Apr 28, 06:00
8 °C
Clear
Cupertino Apr 28, 06:00: Clear, 8 °C
Apr 28, 07:00
9 °C
Sunny
Cupertino Apr 28, 07:00: Sunny, 9 °C
Apr 28, 08:00
11 °C
Sunny
Cupertino Apr 28, 08:00: Sunny, 11 °C
Apr 28, 09:00
13 °C
Sunny
Cupertino Apr 28, 09:00: Sunny, 13 °C
Apr 28, 10:00
16 °C
Sunny
Cupertino Apr 28, 10:00: Sunny, 16 °C
Apr 28, 11:00
17 °C
Sunny
Cupertino Apr 28, 11:00: Sunny, 17 °C
Apr 28, 12:00
18 °C
Sunny
Cupertino Apr 28, 12:00: Sunny, 18 °C
Apr 28, 13:00
19 °C
Sunny
Cupertino Apr 28, 13:00: Sunny, 19 °C
Apr 28, 14:00
20 °C
Sunny
Cupertino Apr 28, 14:00: Sunny, 20 °C
Apr 28, 15:00
20 °C
Sunny
Cupertino Apr 28, 15:00: Sunny, 20 °C
Apr 28, 16:00
20 °C
Patchy rain possible
Cupertino Apr 28, 16:00: Patchy rain possible, 20 °C
Apr 28, 17:00
19 °C
Patchy rain possible
Cupertino Apr 28, 17:00: Patchy rain possible, 19 °C
Apr 28, 18:00
18 °C
Sunny
Cupertino Apr 28, 18:00: Sunny, 18 °C
Apr 28, 19:00
15 °C
Sunny
Cupertino Apr 28, 19:00: Sunny, 15 °C
Apr 28, 20:00
13 °C
Clear
Cupertino Apr 28, 20:00: Clear, 13 °C
Apr 28, 21:00
12 °C
Clear
Cupertino Apr 28, 21:00: Clear, 12 °C
Apr 28, 22:00
11 °C
Clear
Cupertino Apr 28, 22:00: Clear, 11 °C
Apr 28, 23:00
10 °C
Clear
Cupertino Apr 28, 23:00: Clear, 10 °C
Apr 29, 00:00
9 °C
Clear
Cupertino Apr 29, 00:00: Clear, 9 °C
Apr 29, 01:00
9 °C
Clear
Cupertino Apr 29, 01:00: Clear, 9 °C
Apr 29, 02:00
9 °C
Clear
Cupertino Apr 29, 02:00: Clear, 9 °C
Apr 29, 03:00
8 °C
Clear
Cupertino Apr 29, 03:00: Clear, 8 °C
Time
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
00
01
02
03
Cupertino Apr 28, 04:00: Clear
Cupertino Apr 28, 05:00: Clear
Cupertino Apr 28, 06:00: Clear
Cupertino Apr 28, 07:00: Sunny
Cupertino Apr 28, 08:00: Sunny
Cupertino Apr 28, 09:00: Sunny
Cupertino Apr 28, 10:00: Sunny
Cupertino Apr 28, 11:00: Sunny
Cupertino Apr 28, 12:00: Sunny
Cupertino Apr 28, 13:00: Sunny
Cupertino Apr 28, 14:00: Sunny
Cupertino Apr 28, 15:00: Sunny
Cupertino Apr 28, 16:00: Patchy rain possible
Cupertino Apr 28, 17:00: Patchy rain possible
Cupertino Apr 28, 18:00: Sunny
Cupertino Apr 28, 19:00: Sunny
Cupertino Apr 28, 20:00: Clear
Cupertino Apr 28, 21:00: Clear
Cupertino Apr 28, 22:00: Clear
Cupertino Apr 28, 23:00: Clear
Cupertino Apr 29, 00:00: Clear
Cupertino Apr 29, 01:00: Clear
Cupertino Apr 29, 02:00: Clear
Cupertino Apr 29, 03:00: Clear
Temperature (°C)
Chance of rain (%)
0
0
0
0
0
0
0
0
0
0
0
0
100
87
0
0
0
0
0
0
0
0
0
0
Precipitation
—
—
—
—
—
—
—
—
—
—
—
—
0.1 mm
0 mm
—
—
—
—
—
—
—
—
—
—
Wind (km/h)
SW
4
S
2
SSW
2
W
2
NW
4
NNW
5
NNW
5
N
4
N
4
NNW
5
NNW
5
NW
9
WNW
13
WNW
14
WNW
13
WNW
10
WNW
8
WNW
6
WNW
4
WNW
2
WSW
1
WNW
1
WSW
1
WSW
3
Pressure (hPa)
1019
1019
1019
1020
1020
1020
1020
1020
1019
1019
1018
1018
1017
1017
1018
1018
1018
1019
1020
1020
1019
1019
1019
1019
Humidity (%)
82 %
79 %
78 %
83 %
83 %
74 %
65 %
58 %
57 %
56 %
56 %
37 %
41 %
47 %
51 %
57 %
69 %
76 %
78 %
79 %
79 %
79 %
78 %
77 %
Cloud cover (%)
0 %
3 %
11 %
9 %
12 %
21 %
10 %
2 %
12 %
6 %
0 %
18 %
86 %
72 %
19 %
9 %
6 %
6 %
4 %
3 %
0 %
0 %
0 %
0 %

14-day weather forecast – Cupertino

14-day trend for Cupertino: Temperatures stay fairly stable over the period with no big swings. Lows can drop to around 6.6°C at night, with daytime highs up to 27.1°C.

Date
Apr 28
Apr 29
Apr 30
May 1
May 2
May 3
May 4
May 5
May 6
May 7
May 8
May 9
May 10
May 11
Cupertino April 28, 2026: Sunny
Cupertino April 29, 2026: Sunny
Cupertino April 30, 2026: Sunny
Cupertino May 1, 2026: Sunny
Cupertino May 2, 2026: Patchy rain possible
Cupertino May 3, 2026: Patchy rain possible
Cupertino May 4, 2026: Patchy rain possible
Cupertino May 5, 2026: Patchy rain possible
Cupertino May 6, 2026: Partly cloudy
Cupertino May 7, 2026: Sunny
Cupertino May 8, 2026: Overcast
Cupertino May 9, 2026: Partly cloudy
Cupertino May 10, 2026: Patchy rain possible
Cupertino May 11, 2026: Sunny
Temperature (°C)
Chance of rain (%)
0
0
0
0
88
82
0
0
0
0
0
0
0
0
Precipitation
0.1 mm
—
—
—
0.1 mm
0.1 mm
0.1 mm
0 mm
0 mm
—
—
—
0.1 mm
0 mm
Wind max (km/h)
14
15
13
12
12
14
12
10
13
14
9
9
12
22
Date Weather Min °C Max °C Sunrise Sunset Moonrise Moonset Moon phase
April 28, 2026 Cupertino April 28, 2026: Sunny Sunny 7 °C 22 °C 06:16 19:55 17:23 04:36 Waxing Moon (87 %)
April 29, 2026 Cupertino April 29, 2026: Sunny Sunny 7 °C 23 °C 06:15 19:56 18:24 04:59 Waxing Moon (93 %)
April 30, 2026 Cupertino April 30, 2026: Sunny Sunny 7 °C 25 °C 06:14 19:57 19:26 05:23 Waxing Moon (97 %)
May 1, 2026 Cupertino May 1, 2026: Sunny Sunny 9 °C 25 °C 06:13 19:58 20:27 05:50 Full Moon (99 %)
May 2, 2026 Cupertino May 2, 2026: Patchy rain possible Patchy rain possible 10 °C 16 °C 06:12 19:59 21:29 06:21 Waning Moon (100 %)
May 3, 2026 Cupertino May 3, 2026: Patchy rain possible Patchy rain possible 9 °C 16 °C 06:11 20:00 22:28 06:57 Waning Moon (98 %)
May 4, 2026 Cupertino May 4, 2026: Patchy rain possible Patchy rain possible 7 °C 18 °C 06:10 20:01 23:24 07:40 Waning Moon (95 %)
May 5, 2026 Cupertino May 5, 2026: Patchy rain possible Patchy rain possible 8 °C 19 °C 06:08 20:02 — 08:29 Waning Moon (90 %)
May 6, 2026 Cupertino May 6, 2026: Partly cloudy Partly cloudy 10 °C 21 °C 06:07 20:02 00:13 09:25 Waning Moon (84 %)
May 7, 2026 Cupertino May 7, 2026: Sunny Sunny 9 °C 24 °C 06:06 20:03 00:56 10:24 Waning Moon (77 %)
May 8, 2026 Cupertino May 8, 2026: Overcast Overcast 10 °C 27 °C 06:05 20:04 01:33 11:26 Waning Moon (68 %)
May 9, 2026 Cupertino May 9, 2026: Partly cloudy Partly cloudy 11 °C 20 °C 06:05 20:05 02:04 12:29 Last Quarter (59 %)
May 10, 2026 Cupertino May 10, 2026: Patchy rain possible Patchy rain possible 10 °C 24 °C 06:04 20:06 02:32 13:33 Waning Crescent (49 %)
May 11, 2026 Cupertino May 11, 2026: Sunny Sunny 9 °C 21 °C 06:03 20:07 02:58 14:37 Waning Crescent (39 %)
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