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Weather Sunnyvale: Current forecast

Sunnyvale / California (CA) / United States

61.3 °F
Feels like 61.3 °F
Min 56 °F / Max 82 °F
Weather Sunnyvale: Clear, 61 °F Clear
4.7 mph WNW
Wind
8.6 mph WNW
Gusts
1016 hPa
Pressure
0 mm
Precipitation
88 %
Humidity
0
UV index

Pollen (today)

Hazel None
Alder None
Birch None
Oak None
Grass High
Mugwort Low
Ragweed None
06:01 / 20:27
Sunrise / Sunset
10:49 / 23:07
Moonrise / Moonset
Waxing Crescent (23 %)
Moon phase

Updated: Jul 19, 2026, 6:41 CEST Jul 18, 2026, 21:41 PDT

Today's Summary

If you head out in Sunnyvale today, you'll see a clear sky. The thermometer currently shows 16.3°C. Pack a light jacket for the evening. During the day temperatures will range between 13.5°C and 28°C.

Hourly forecast – Sunnyvale, today

Jul 18, 22:00
58 °F
Cloudy
Sunnyvale Jul 18, 22:00: Cloudy, 58 °F
Jul 18, 23:00
58 °F
Overcast
Sunnyvale Jul 18, 23:00: Overcast, 58 °F
Jul 19, 00:00
57 °F
Mist
Sunnyvale Jul 19, 00:00: Mist, 57 °F
Jul 19, 01:00
57 °F
Mist
Sunnyvale Jul 19, 01:00: Mist, 57 °F
Jul 19, 02:00
56 °F
Fog
Sunnyvale Jul 19, 02:00: Fog, 56 °F
Jul 19, 03:00
56 °F
Fog
Sunnyvale Jul 19, 03:00: Fog, 56 °F
Jul 19, 04:00
56 °F
Fog
Sunnyvale Jul 19, 04:00: Fog, 56 °F
Jul 19, 05:00
56 °F
Mist
Sunnyvale Jul 19, 05:00: Mist, 56 °F
Jul 19, 06:00
56 °F
Fog
Sunnyvale Jul 19, 06:00: Fog, 56 °F
Jul 19, 07:00
58 °F
Overcast
Sunnyvale Jul 19, 07:00: Overcast, 58 °F
Jul 19, 08:00
60 °F
Cloudy
Sunnyvale Jul 19, 08:00: Cloudy, 60 °F
Jul 19, 09:00
78 °F
Sunny
Sunnyvale Jul 19, 09:00: Sunny, 78 °F
Jul 19, 10:00
82 °F
Sunny
Sunnyvale Jul 19, 10:00: Sunny, 82 °F
Jul 19, 11:00
85 °F
Sunny
Sunnyvale Jul 19, 11:00: Sunny, 85 °F
Jul 19, 12:00
86 °F
Sunny
Sunnyvale Jul 19, 12:00: Sunny, 86 °F
Jul 19, 13:00
86 °F
Sunny
Sunnyvale Jul 19, 13:00: Sunny, 86 °F
Jul 19, 14:00
85 °F
Sunny
Sunnyvale Jul 19, 14:00: Sunny, 85 °F
Jul 19, 15:00
82 °F
Patchy rain possible
Sunnyvale Jul 19, 15:00: Patchy rain possible, 82 °F
Jul 19, 16:00
78 °F
Sunny
Sunnyvale Jul 19, 16:00: Sunny, 78 °F
Jul 19, 17:00
74 °F
Sunny
Sunnyvale Jul 19, 17:00: Sunny, 74 °F
Jul 19, 18:00
69 °F
Sunny
Sunnyvale Jul 19, 18:00: Sunny, 69 °F
Jul 19, 19:00
65 °F
Clear
Sunnyvale Jul 19, 19:00: Clear, 65 °F
Jul 19, 20:00
63 °F
Clear
Sunnyvale Jul 19, 20:00: Clear, 63 °F
Jul 19, 21:00
62 °F
Clear
Sunnyvale Jul 19, 21:00: Clear, 62 °F
Time
22
23
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
Sunnyvale Jul 18, 22:00: Cloudy
Sunnyvale Jul 18, 23:00: Overcast
Sunnyvale Jul 19, 00:00: Mist
Sunnyvale Jul 19, 01:00: Mist
Sunnyvale Jul 19, 02:00: Fog
Sunnyvale Jul 19, 03:00: Fog
Sunnyvale Jul 19, 04:00: Fog
Sunnyvale Jul 19, 05:00: Mist
Sunnyvale Jul 19, 06:00: Fog
Sunnyvale Jul 19, 07:00: Overcast
Sunnyvale Jul 19, 08:00: Cloudy
Sunnyvale Jul 19, 09:00: Sunny
Sunnyvale Jul 19, 10:00: Sunny
Sunnyvale Jul 19, 11:00: Sunny
Sunnyvale Jul 19, 12:00: Sunny
Sunnyvale Jul 19, 13:00: Sunny
Sunnyvale Jul 19, 14:00: Sunny
Sunnyvale Jul 19, 15:00: Patchy rain possible
Sunnyvale Jul 19, 16:00: Sunny
Sunnyvale Jul 19, 17:00: Sunny
Sunnyvale Jul 19, 18:00: Sunny
Sunnyvale Jul 19, 19:00: Clear
Sunnyvale Jul 19, 20:00: Clear
Sunnyvale Jul 19, 21:00: Clear
Temperature (°F)
Chance of rain (%)
27
30
33
34
34
35
35
34
34
32
21
2
1
1
1
1
1
8
2
2
3
4
5
5
Precipitation
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
0 mm
—
—
—
—
—
—
Wind (mph)
NW
3
NW
2
NW
2
NW
2
WNW
3
NW
2
NNW
2
NNW
2
NW
2
NNW
2
NNW
3
NNW
3
NW
4
NW
5
NW
6
NW
7
NW
7
NW
6
NW
7
NW
6
NW
5
WNW
3
W
2
WSW
2
Pressure (hPa)
1016
1015
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1013
1012
1012
1012
1011
1012
1012
1012
1012
1013
1014
1014
Humidity (%)
93 %
93 %
96 %
97 %
97 %
99 %
99 %
97 %
98 %
93 %
84 %
35 %
29 %
27 %
27 %
27 %
30 %
33 %
38 %
44 %
53 %
60 %
63 %
66 %
Cloud cover (%)
82 %
92 %
100 %
100 %
100 %
100 %
100 %
100 %
100 %
100 %
78 %
21 %
18 %
14 %
11 %
11 %
12 %
76 %
19 %
12 %
8 %
9 %
10 %
9 %

14-day weather forecast – Sunnyvale

14-day trend for Sunnyvale: Temperatures stay fairly stable over the period with no big swings. Lows can drop to around 12.3°C at night, with daytime highs up to 35.4°C.

Date
Jul 18
Jul 19
Jul 20
Jul 21
Jul 22
Jul 23
Jul 24
Jul 25
Jul 26
Jul 27
Jul 28
Jul 29
Jul 30
Jul 31
Sunnyvale July 18, 2026: Sunny
Sunnyvale July 19, 2026: Sunny
Sunnyvale July 20, 2026: Partly cloudy
Sunnyvale July 21, 2026: Sunny
Sunnyvale July 22, 2026: Sunny
Sunnyvale July 23, 2026: Sunny
Sunnyvale July 24, 2026: Sunny
Sunnyvale July 25, 2026: Sunny
Sunnyvale July 26, 2026: Sunny
Sunnyvale July 27, 2026: Sunny
Sunnyvale July 28, 2026: Sunny
Sunnyvale July 29, 2026: Sunny
Sunnyvale July 30, 2026: Sunny
Sunnyvale July 31, 2026: Sunny
Temperature (°F)
Chance of rain (%)
10
10
4
2
1
1
1
1
1
1
1
1
1
1
Precipitation
0 mm
0 mm
—
—
—
—
—
—
—
—
—
—
—
—
Wind max (mph)
7
7
6
9
10
9
9
9
10
9
9
8
9
9
Date Weather Min °F Max °F Sunrise Sunset Moonrise Moonset Moon phase
July 18, 2026 Sunnyvale July 18, 2026: Sunny Sunny 56 °F 82 °F 06:01 20:27 10:49 23:07 Waxing Crescent (23 %)
July 19, 2026 Sunnyvale July 19, 2026: Sunny Sunny 56 °F 86 °F 06:02 20:26 11:58 23:33 First Quarter (33 %)
July 20, 2026 Sunnyvale July 20, 2026: Partly cloudy Partly cloudy 59 °F 83 °F 06:03 20:25 13:06 Does not set today First Quarter (43 %)
July 21, 2026 Sunnyvale July 21, 2026: Sunny Sunny 59 °F 88 °F 06:03 20:25 14:13 00:01 First Quarter (53 %)
July 22, 2026 Sunnyvale July 22, 2026: Sunny Sunny 60 °F 91 °F 06:04 20:24 15:18 00:31 First Quarter (64 %)
July 23, 2026 Sunnyvale July 23, 2026: Sunny Sunny 60 °F 89 °F 06:05 20:23 16:23 01:05 Waxing Moon (74 %)
July 24, 2026 Sunnyvale July 24, 2026: Sunny Sunny 58 °F 88 °F 06:06 20:23 17:23 01:45 Waxing Moon (82 %)
July 25, 2026 Sunnyvale July 25, 2026: Sunny Sunny 56 °F 87 °F 06:07 20:22 18:18 02:31 Waxing Moon (90 %)
July 26, 2026 Sunnyvale July 26, 2026: Sunny Sunny 54 °F 90 °F 06:07 20:21 19:05 03:24 Waxing Moon (95 %)
July 27, 2026 Sunnyvale July 27, 2026: Sunny Sunny 57 °F 94 °F 06:08 20:20 19:45 04:21 Full Moon (99 %)
July 28, 2026 Sunnyvale July 28, 2026: Sunny Sunny 58 °F 95 °F 06:09 20:19 20:19 05:21 Full Moon (100 %)
July 29, 2026 Sunnyvale July 29, 2026: Sunny Sunny 62 °F 96 °F 06:10 20:19 20:48 06:22 Full Moon (99 %)
July 30, 2026 Sunnyvale July 30, 2026: Sunny Sunny 61 °F 92 °F 06:11 20:18 21:13 07:22 Waning Moon (96 %)
July 31, 2026 Sunnyvale July 31, 2026: Sunny Sunny 60 °F 91 °F 06:11 20:17 21:36 08:21 Waning Moon (91 %)
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