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Weather Cupertino: Current forecast

Cupertino / California (CA) / United States

52.5 °F
Feels like 53.2 °F
Min 45 °F / Max 71 °F
Weather Cupertino: Partly cloudy, 53 °F Partly cloudy
2.2 mph WNW
Wind
3.5 mph WNW
Gusts
1020 hPa
Pressure
0 mm
Precipitation
76 %
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, 9:45 CEST Apr 28, 2026, 0:45 PDT

Today's Summary

If you head out in Cupertino today, you'll see a partly cloudy sky. The thermometer currently shows 11.4°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, 00:00
49 °F
Clear
Cupertino Apr 28, 00:00: Clear, 49 °F
Apr 28, 01:00
53 °F
Partly cloudy
Cupertino Apr 28, 01:00: Partly cloudy, 53 °F
Apr 28, 02:00
47 °F
Clear
Cupertino Apr 28, 02:00: Clear, 47 °F
Apr 28, 03:00
47 °F
Clear
Cupertino Apr 28, 03:00: Clear, 47 °F
Apr 28, 04:00
46 °F
Clear
Cupertino Apr 28, 04:00: Clear, 46 °F
Apr 28, 05:00
46 °F
Clear
Cupertino Apr 28, 05:00: Clear, 46 °F
Apr 28, 06:00
46 °F
Clear
Cupertino Apr 28, 06:00: Clear, 46 °F
Apr 28, 07:00
49 °F
Sunny
Cupertino Apr 28, 07:00: Sunny, 49 °F
Apr 28, 08:00
52 °F
Sunny
Cupertino Apr 28, 08:00: Sunny, 52 °F
Apr 28, 09:00
56 °F
Sunny
Cupertino Apr 28, 09:00: Sunny, 56 °F
Apr 28, 10:00
60 °F
Sunny
Cupertino Apr 28, 10:00: Sunny, 60 °F
Apr 28, 11:00
63 °F
Sunny
Cupertino Apr 28, 11:00: Sunny, 63 °F
Apr 28, 12:00
65 °F
Sunny
Cupertino Apr 28, 12:00: Sunny, 65 °F
Apr 28, 13:00
66 °F
Sunny
Cupertino Apr 28, 13:00: Sunny, 66 °F
Apr 28, 14:00
69 °F
Sunny
Cupertino Apr 28, 14:00: Sunny, 69 °F
Apr 28, 15:00
69 °F
Sunny
Cupertino Apr 28, 15:00: Sunny, 69 °F
Apr 28, 16:00
68 °F
Patchy rain possible
Cupertino Apr 28, 16:00: Patchy rain possible, 68 °F
Apr 28, 17:00
66 °F
Patchy rain possible
Cupertino Apr 28, 17:00: Patchy rain possible, 66 °F
Apr 28, 18:00
64 °F
Sunny
Cupertino Apr 28, 18:00: Sunny, 64 °F
Apr 28, 19:00
60 °F
Sunny
Cupertino Apr 28, 19:00: Sunny, 60 °F
Apr 28, 20:00
56 °F
Clear
Cupertino Apr 28, 20:00: Clear, 56 °F
Apr 28, 21:00
53 °F
Clear
Cupertino Apr 28, 21:00: Clear, 53 °F
Apr 28, 22:00
51 °F
Clear
Cupertino Apr 28, 22:00: Clear, 51 °F
Apr 28, 23:00
50 °F
Clear
Cupertino Apr 28, 23:00: Clear, 50 °F
Time
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
Cupertino Apr 28, 00:00: Clear
Cupertino Apr 28, 01:00: Partly cloudy
Cupertino Apr 28, 02:00: Clear
Cupertino Apr 28, 03:00: Clear
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
Temperature (°F)
Chance of rain (%)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
100
87
0
0
0
0
0
0
Precipitation
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
0.1 mm
0 mm
—
—
—
—
—
—
Wind (mph)
WNW
2
WNW
2
W
1
SW
1
SW
1
S
1
SSW
1
W
1
NW
2
NNW
3
NNW
3
N
2
N
2
NNW
3
NNW
3
NW
5
WNW
8
WNW
9
WNW
8
WNW
6
WNW
5
WNW
4
WNW
2
WNW
1
Pressure (hPa)
1019
1020
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1019
1019
1018
1018
1017
1017
1018
1018
1018
1019
1020
1020
Humidity (%)
83 %
76 %
87 %
86 %
82 %
79 %
78 %
83 %
83 %
74 %
65 %
58 %
57 %
56 %
56 %
37 %
41 %
47 %
51 %
57 %
69 %
76 %
78 %
79 %
Cloud cover (%)
1 %
75 %
0 %
1 %
0 %
3 %
11 %
9 %
12 %
21 %
10 %
2 %
12 %
6 %
0 %
18 %
86 %
72 %
19 %
9 %
6 %
6 %
4 %
3 %

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 (°F)
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 (mph)
9
9
8
7
7
9
7
6
8
9
6
6
7
13
Date Weather Min °F Max °F Sunrise Sunset Moonrise Moonset Moon phase
April 28, 2026 Cupertino April 28, 2026: Sunny Sunny 45 °F 71 °F 06:16 19:55 17:23 04:36 Waxing Moon (87 %)
April 29, 2026 Cupertino April 29, 2026: Sunny Sunny 45 °F 74 °F 06:15 19:56 18:24 04:59 Waxing Moon (93 %)
April 30, 2026 Cupertino April 30, 2026: Sunny Sunny 45 °F 77 °F 06:14 19:57 19:26 05:23 Waxing Moon (97 %)
May 1, 2026 Cupertino May 1, 2026: Sunny Sunny 49 °F 77 °F 06:13 19:58 20:27 05:50 Full Moon (99 %)
May 2, 2026 Cupertino May 2, 2026: Patchy rain possible Patchy rain possible 51 °F 62 °F 06:12 19:59 21:29 06:21 Waning Moon (100 %)
May 3, 2026 Cupertino May 3, 2026: Patchy rain possible Patchy rain possible 48 °F 61 °F 06:11 20:00 22:28 06:57 Waning Moon (98 %)
May 4, 2026 Cupertino May 4, 2026: Patchy rain possible Patchy rain possible 44 °F 64 °F 06:10 20:01 23:24 07:40 Waning Moon (95 %)
May 5, 2026 Cupertino May 5, 2026: Patchy rain possible Patchy rain possible 46 °F 66 °F 06:08 20:02 — 08:29 Waning Moon (90 %)
May 6, 2026 Cupertino May 6, 2026: Partly cloudy Partly cloudy 49 °F 70 °F 06:07 20:02 00:13 09:25 Waning Moon (84 %)
May 7, 2026 Cupertino May 7, 2026: Sunny Sunny 49 °F 76 °F 06:06 20:03 00:56 10:24 Waning Moon (77 %)
May 8, 2026 Cupertino May 8, 2026: Overcast Overcast 49 °F 81 °F 06:05 20:04 01:33 11:26 Waning Moon (68 %)
May 9, 2026 Cupertino May 9, 2026: Partly cloudy Partly cloudy 52 °F 67 °F 06:05 20:05 02:04 12:29 Last Quarter (59 %)
May 10, 2026 Cupertino May 10, 2026: Patchy rain possible Patchy rain possible 50 °F 75 °F 06:04 20:06 02:32 13:33 Waning Crescent (49 %)
May 11, 2026 Cupertino May 11, 2026: Sunny Sunny 47 °F 69 °F 06:03 20:07 02:58 14:37 Waning Crescent (39 %)
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