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Weather Sunnyvale: Current forecast

Sunnyvale / California (CA) / United States

62.8 °F
Feels like 62.8 °F
Min 51 °F / Max 79 °F
Weather Sunnyvale: Sunny, 63 °F Sunny
3.1 mph S
Wind
3.6 mph S
Gusts
1012 hPa
Pressure
0 mm
Precipitation
63 %
Humidity
3.2
UV index

Pollen (today)

Hazel None
Alder None
Birch Moderate
Oak High
Grass Moderate
Mugwort None
Ragweed None
06:28 / 19:47
Sunrise / Sunset
07:38 / 23:08
Moonrise / Moonset
Waxing Crescent (3 %)
Moon phase

Updated: Apr 19, 2026, 19:26 CEST Apr 19, 2026, 10:26 PDT

Today's Summary

If you head out in Sunnyvale today, you'll see a sunny sky. The thermometer currently shows 17.1°C. Pack a light jacket for the evening. During the day temperatures will range between 10.6°C and 26.2°C.

Hourly forecast – Sunnyvale, today

Apr 19, 10:00
63 °F
Sunny
Sunnyvale Apr 19, 10:00: Sunny, 63 °F
Apr 19, 11:00
67 °F
Sunny
Sunnyvale Apr 19, 11:00: Sunny, 67 °F
Apr 19, 12:00
71 °F
Sunny
Sunnyvale Apr 19, 12:00: Sunny, 71 °F
Apr 19, 13:00
75 °F
Sunny
Sunnyvale Apr 19, 13:00: Sunny, 75 °F
Apr 19, 14:00
77 °F
Sunny
Sunnyvale Apr 19, 14:00: Sunny, 77 °F
Apr 19, 15:00
76 °F
Sunny
Sunnyvale Apr 19, 15:00: Sunny, 76 °F
Apr 19, 16:00
74 °F
Sunny
Sunnyvale Apr 19, 16:00: Sunny, 74 °F
Apr 19, 17:00
72 °F
Sunny
Sunnyvale Apr 19, 17:00: Sunny, 72 °F
Apr 19, 18:00
71 °F
Sunny
Sunnyvale Apr 19, 18:00: Sunny, 71 °F
Apr 19, 19:00
66 °F
Sunny
Sunnyvale Apr 19, 19:00: Sunny, 66 °F
Apr 19, 20:00
62 °F
Clear
Sunnyvale Apr 19, 20:00: Clear, 62 °F
Apr 19, 21:00
58 °F
Clear
Sunnyvale Apr 19, 21:00: Clear, 58 °F
Apr 19, 22:00
56 °F
Clear
Sunnyvale Apr 19, 22:00: Clear, 56 °F
Apr 19, 23:00
54 °F
Clear
Sunnyvale Apr 19, 23:00: Clear, 54 °F
Apr 20, 00:00
53 °F
Clear
Sunnyvale Apr 20, 00:00: Clear, 53 °F
Apr 20, 01:00
52 °F
Clear
Sunnyvale Apr 20, 01:00: Clear, 52 °F
Apr 20, 02:00
51 °F
Clear
Sunnyvale Apr 20, 02:00: Clear, 51 °F
Apr 20, 03:00
50 °F
Clear
Sunnyvale Apr 20, 03:00: Clear, 50 °F
Apr 20, 04:00
49 °F
Clear
Sunnyvale Apr 20, 04:00: Clear, 49 °F
Apr 20, 05:00
49 °F
Partly cloudy
Sunnyvale Apr 20, 05:00: Partly cloudy, 49 °F
Apr 20, 06:00
49 °F
Clear
Sunnyvale Apr 20, 06:00: Clear, 49 °F
Apr 20, 07:00
53 °F
Partly cloudy
Sunnyvale Apr 20, 07:00: Partly cloudy, 53 °F
Apr 20, 08:00
57 °F
Sunny
Sunnyvale Apr 20, 08:00: Sunny, 57 °F
Apr 20, 09:00
60 °F
Partly cloudy
Sunnyvale Apr 20, 09:00: Partly cloudy, 60 °F
Time
10
11
12
13
14
15
16
17
18
19
20
21
22
23
00
01
02
03
04
05
06
07
08
09
Sunnyvale Apr 19, 10:00: Sunny
Sunnyvale Apr 19, 11:00: Sunny
Sunnyvale Apr 19, 12:00: Sunny
Sunnyvale Apr 19, 13:00: Sunny
Sunnyvale Apr 19, 14:00: Sunny
Sunnyvale Apr 19, 15:00: Sunny
Sunnyvale Apr 19, 16:00: Sunny
Sunnyvale Apr 19, 17:00: Sunny
Sunnyvale Apr 19, 18:00: Sunny
Sunnyvale Apr 19, 19:00: Sunny
Sunnyvale Apr 19, 20:00: Clear
Sunnyvale Apr 19, 21:00: Clear
Sunnyvale Apr 19, 22:00: Clear
Sunnyvale Apr 19, 23:00: Clear
Sunnyvale Apr 20, 00:00: Clear
Sunnyvale Apr 20, 01:00: Clear
Sunnyvale Apr 20, 02:00: Clear
Sunnyvale Apr 20, 03:00: Clear
Sunnyvale Apr 20, 04:00: Clear
Sunnyvale Apr 20, 05:00: Partly cloudy
Sunnyvale Apr 20, 06:00: Clear
Sunnyvale Apr 20, 07:00: Partly cloudy
Sunnyvale Apr 20, 08:00: Sunny
Sunnyvale Apr 20, 09:00: Partly cloudy
Temperature (°F)
Chance of rain (%)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Precipitation
Wind (mph)
S
3
SSW
3
SSW
4
SW
7
SSW
8
SSW
9
SSW
10
SW
8
SW
6
SSW
5
SSW
5
S
6
S
6
S
6
S
6
SSE
6
SSE
6
SSE
7
SSE
7
SSE
6
SSE
6
SSE
6
SSE
7
S
8
Pressure (hPa)
1012
1012
1012
1011
1010
1010
1010
1010
1010
1010
1011
1012
1012
1012
1013
1013
1013
1012
1012
1013
1012
1013
1012
1013
Humidity (%)
63 %
61 %
55 %
43 %
37 %
31 %
28 %
29 %
30 %
31 %
38 %
46 %
57 %
67 %
74 %
78 %
78 %
76 %
74 %
71 %
68 %
63 %
52 %
39 %
Cloud cover (%)
0 %
1 %
0 %
0 %
0 %
0 %
0 %
0 %
0 %
0 %
0 %
0 %
8 %
6 %
5 %
5 %
7 %
5 %
13 %
27 %
24 %
30 %
24 %
31 %

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 7°C at night, with daytime highs up to 26.2°C.

Date
Apr 19
Apr 20
Apr 21
Apr 22
Apr 23
Apr 24
Apr 25
Apr 26
Apr 27
Apr 28
Apr 29
Apr 30
May 1
May 2
Sunnyvale April 19, 2026: Sunny
Sunnyvale April 20, 2026: Moderate rain
Sunnyvale April 21, 2026: Moderate rain
Sunnyvale April 22, 2026: Patchy rain possible
Sunnyvale April 23, 2026: Sunny
Sunnyvale April 24, 2026: Sunny
Sunnyvale April 25, 2026: Sunny
Sunnyvale April 26, 2026: Sunny
Sunnyvale April 27, 2026: Partly cloudy
Sunnyvale April 28, 2026: Sunny
Sunnyvale April 29, 2026: Partly cloudy
Sunnyvale April 30, 2026: Sunny
Sunnyvale May 1, 2026: Sunny
Sunnyvale May 2, 2026: Sunny
Temperature (°F)
Chance of rain (%)
0
89
83
89
0
0
0
0
0
0
0
0
0
0
Precipitation
14.8 mm
14.2 mm
1.1 mm
0 mm
Wind max (mph)
10
17
16
9
8
7
8
10
9
9
11
14
12
11
Date Weather Min °F Max °F Sunrise Sunset Moonrise Moonset Moon phase
April 19, 2026 Sunnyvale April 19, 2026: Sunny Sunny 51 °F 79 °F 06:28 19:47 07:38 23:08 Waxing Crescent (3 %)
April 20, 2026 Sunnyvale April 20, 2026: Moderate rain Moderate rain 48 °F 69 °F 06:26 19:48 08:29 Waxing Crescent (9 %)
April 21, 2026 Sunnyvale April 21, 2026: Moderate rain Moderate rain 49 °F 60 °F 06:25 19:49 09:32 00:19 Waxing Crescent (17 %)
April 22, 2026 Sunnyvale April 22, 2026: Patchy rain possible Patchy rain possible 48 °F 62 °F 06:24 19:50 10:42 01:21 Waxing Crescent (27 %)
April 23, 2026 Sunnyvale April 23, 2026: Sunny Sunny 45 °F 69 °F 06:22 19:51 11:54 02:10 Waxing Crescent (38 %)
April 24, 2026 Sunnyvale April 24, 2026: Sunny Sunny 47 °F 71 °F 06:21 19:52 13:06 02:49 First Quarter (49 %)
April 25, 2026 Sunnyvale April 25, 2026: Sunny Sunny 50 °F 71 °F 06:20 19:53 14:14 03:22 Waxing Moon (60 %)
April 26, 2026 Sunnyvale April 26, 2026: Sunny Sunny 48 °F 67 °F 06:19 19:54 15:19 03:49 Waxing Moon (70 %)
April 27, 2026 Sunnyvale April 27, 2026: Partly cloudy Partly cloudy 48 °F 66 °F 06:17 19:55 16:22 04:13 Waxing Moon (79 %)
April 28, 2026 Sunnyvale April 28, 2026: Sunny Sunny 46 °F 70 °F 06:16 19:55 17:23 04:36 Waxing Moon (87 %)
April 29, 2026 Sunnyvale April 29, 2026: Partly cloudy Partly cloudy 50 °F 65 °F 06:15 19:56 18:24 04:59 Waxing Moon (93 %)
April 30, 2026 Sunnyvale April 30, 2026: Sunny Sunny 48 °F 64 °F 06:14 19:57 19:26 05:23 Waxing Moon (97 %)
May 1, 2026 Sunnyvale May 1, 2026: Sunny Sunny 45 °F 71 °F 06:13 19:58 20:27 05:50 Full Moon (99 %)
May 2, 2026 Sunnyvale May 2, 2026: Sunny Sunny 46 °F 73 °F 06:12 19:59 21:30 06:21 Waning Moon (100 %)