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Weather San Jose: Current forecast

San Jose / California (CA) / United States

21.1 °C
Feels like 21.1 °C
Min 11 °C / Max 23 °C
Weather San Jose: Partly cloudy, 21 °C Partly cloudy
7.2 km/h WNW
Wind
8.8 km/h WNW
Gusts
1008 hPa
Pressure
0 mm
Precipitation
39 %
Humidity
5.6
UV index

Pollen (today)

Hazel None
Alder None
Birch Low
Oak None
Grass High
Mugwort None
Ragweed None
05:50 / 20:18
Sunrise / Sunset
17:21 / 03:26
Moonrise / Moonset
Waxing Moon (90 %)
Moon phase

Updated: May 27, 2026, 23:35 CEST May 27, 2026, 14:35 PDT

Today's Summary

Right now San Jose has partly cloudy weather. The thermometer currently shows 21.1°C. UV levels are elevated today – remember sun protection if you're outdoors. During the day temperatures will range between 10.6°C and 23.2°C.

Hourly forecast – San Jose, today

May 27, 14:00
21 °C
Partly cloudy
San Jose May 27, 14:00: Partly cloudy, 21 °C
May 27, 15:00
21 °C
Overcast
San Jose May 27, 15:00: Overcast, 21 °C
May 27, 16:00
19 °C
Overcast
San Jose May 27, 16:00: Overcast, 19 °C
May 27, 17:00
19 °C
Patchy light rain
San Jose May 27, 17:00: Patchy light rain, 19 °C
May 27, 18:00
18 °C
Moderate or heavy rain shower
San Jose May 27, 18:00: Moderate or heavy rain shower, 18 °C
May 27, 19:00
16 °C
Partly cloudy
San Jose May 27, 19:00: Partly cloudy, 16 °C
May 27, 20:00
15 °C
Sunny
San Jose May 27, 20:00: Sunny, 15 °C
May 27, 21:00
14 °C
Clear
San Jose May 27, 21:00: Clear, 14 °C
May 27, 22:00
13 °C
Clear
San Jose May 27, 22:00: Clear, 13 °C
May 27, 23:00
13 °C
Clear
San Jose May 27, 23:00: Clear, 13 °C
May 28, 00:00
13 °C
Clear
San Jose May 28, 00:00: Clear, 13 °C
May 28, 01:00
13 °C
Patchy rain possible
San Jose May 28, 01:00: Patchy rain possible, 13 °C
May 28, 02:00
12 °C
Patchy rain possible
San Jose May 28, 02:00: Patchy rain possible, 12 °C
May 28, 03:00
12 °C
Patchy rain possible
San Jose May 28, 03:00: Patchy rain possible, 12 °C
May 28, 04:00
12 °C
Light drizzle
San Jose May 28, 04:00: Light drizzle, 12 °C
May 28, 05:00
12 °C
Patchy light drizzle
San Jose May 28, 05:00: Patchy light drizzle, 12 °C
May 28, 06:00
12 °C
Light drizzle
San Jose May 28, 06:00: Light drizzle, 12 °C
May 28, 07:00
12 °C
Light drizzle
San Jose May 28, 07:00: Light drizzle, 12 °C
May 28, 08:00
12 °C
Light rain shower
San Jose May 28, 08:00: Light rain shower, 12 °C
May 28, 09:00
13 °C
Light rain shower
San Jose May 28, 09:00: Light rain shower, 13 °C
May 28, 10:00
13 °C
Patchy rain possible
San Jose May 28, 10:00: Patchy rain possible, 13 °C
May 28, 11:00
15 °C
Cloudy
San Jose May 28, 11:00: Cloudy, 15 °C
May 28, 12:00
16 °C
Patchy rain possible
San Jose May 28, 12:00: Patchy rain possible, 16 °C
May 28, 13:00
17 °C
Patchy rain possible
San Jose May 28, 13:00: Patchy rain possible, 17 °C
Time
14
15
16
17
18
19
20
21
22
23
00
01
02
03
04
05
06
07
08
09
10
11
12
13
San Jose May 27, 14:00: Partly cloudy
San Jose May 27, 15:00: Overcast
San Jose May 27, 16:00: Overcast
San Jose May 27, 17:00: Patchy light rain
San Jose May 27, 18:00: Moderate or heavy rain shower
San Jose May 27, 19:00: Partly cloudy
San Jose May 27, 20:00: Sunny
San Jose May 27, 21:00: Clear
San Jose May 27, 22:00: Clear
San Jose May 27, 23:00: Clear
San Jose May 28, 00:00: Clear
San Jose May 28, 01:00: Patchy rain possible
San Jose May 28, 02:00: Patchy rain possible
San Jose May 28, 03:00: Patchy rain possible
San Jose May 28, 04:00: Light drizzle
San Jose May 28, 05:00: Patchy light drizzle
San Jose May 28, 06:00: Light drizzle
San Jose May 28, 07:00: Light drizzle
San Jose May 28, 08:00: Light rain shower
San Jose May 28, 09:00: Light rain shower
San Jose May 28, 10:00: Patchy rain possible
San Jose May 28, 11:00: Cloudy
San Jose May 28, 12:00: Patchy rain possible
San Jose May 28, 13:00: Patchy rain possible
Temperature (°C)
Chance of rain (%)
0
0
0
100
100
0
0
0
0
0
0
76
100
100
100
100
100
100
100
100
100
0
87
82
Precipitation
1.7 mm
2.5 mm
0 mm
0.4 mm
1.5 mm
0.2 mm
0.2 mm
0.3 mm
0.7 mm
0.7 mm
0.2 mm
0.1 mm
0 mm
0 mm
Wind (km/h)
WNW
7
WNW
8
WNW
11
W
13
W
10
W
10
WNW
9
WNW
7
WSW
1
SSE
3
SSE
8
SSE
7
SSE
9
SSE
10
SSE
8
SE
8
ESE
7
E
5
E
5
E
5
ESE
6
ESE
7
ESE
8
SE
9
Pressure (hPa)
1008
1007
1007
1007
1007
1008
1008
1009
1010
1010
1009
1009
1009
1010
1010
1010
1010
1010
1011
1011
1011
1012
1012
1012
Humidity (%)
39 %
42 %
52 %
77 %
80 %
73 %
75 %
84 %
89 %
88 %
88 %
91 %
91 %
93 %
89 %
89 %
89 %
88 %
89 %
87 %
82 %
73 %
58 %
55 %
Cloud cover (%)
50 %
90 %
91 %
61 %
88 %
38 %
0 %
2 %
5 %
4 %
2 %
81 %
74 %
86 %
84 %
71 %
100 %
87 %
96 %
87 %
87 %
81 %
97 %
74 %

14-day weather forecast – San Jose

14-day trend for San Jose: 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 31.6°C.

Date
May 27
May 28
May 29
May 30
May 31
Jun 1
Jun 2
Jun 3
Jun 4
Jun 5
Jun 6
Jun 7
Jun 8
Jun 9
San Jose May 27, 2026: Patchy rain possible
San Jose May 28, 2026: Patchy rain possible
San Jose May 29, 2026: Patchy rain possible
San Jose May 30, 2026: Sunny
San Jose May 31, 2026: Sunny
San Jose June 1, 2026: Sunny
San Jose June 2, 2026: Sunny
San Jose June 3, 2026: Sunny
San Jose June 4, 2026: Sunny
San Jose June 5, 2026: Sunny
San Jose June 6, 2026: Sunny
San Jose June 7, 2026: Sunny
San Jose June 8, 2026: Partly cloudy
San Jose June 9, 2026: Sunny
Temperature (°C)
Chance of rain (%)
67
91
87
0
0
0
0
0
0
0
0
0
0
0
Precipitation
4.2 mm
4.3 mm
0.2 mm
0 mm
Wind max (km/h)
13
10
14
17
14
12
12
16
17
16
15
15
17
17
Date Weather Min °C Max °C Sunrise Sunset Moonrise Moonset Moon phase
May 27, 2026 San Jose May 27, 2026: Patchy rain possible Patchy rain possible 11 °C 23 °C 05:50 20:18 17:21 03:26 Waxing Moon (90 %)
May 28, 2026 San Jose May 28, 2026: Patchy rain possible Patchy rain possible 10 °C 21 °C 05:50 20:19 18:27 03:55 Waxing Moon (96 %)
May 29, 2026 San Jose May 29, 2026: Patchy rain possible Patchy rain possible 9 °C 21 °C 05:49 20:20 19:33 04:27 Full Moon (99 %)
May 30, 2026 San Jose May 30, 2026: Sunny Sunny 9 °C 26 °C 05:49 20:21 20:36 05:05 Full Moon (100 %)
May 31, 2026 San Jose May 31, 2026: Sunny Sunny 7 °C 29 °C 05:48 20:21 21:34 05:49 Full Moon (99 %)
June 1, 2026 San Jose June 1, 2026: Sunny Sunny 10 °C 31 °C 05:48 20:22 22:25 06:40 Waning Moon (96 %)
June 2, 2026 San Jose June 2, 2026: Sunny Sunny 10 °C 32 °C 05:48 20:23 23:08 07:37 Waning Moon (90 %)
June 3, 2026 San Jose June 3, 2026: Sunny Sunny 11 °C 31 °C 05:47 20:23 23:44 08:36 Waning Moon (83 %)
June 4, 2026 San Jose June 4, 2026: Sunny Sunny 10 °C 28 °C 05:47 20:24 Does not rise today 09:37 Waning Moon (74 %)
June 5, 2026 San Jose June 5, 2026: Sunny Sunny 8 °C 28 °C 05:47 20:24 00:14 10:37 Last Quarter (64 %)
June 6, 2026 San Jose June 6, 2026: Sunny Sunny 8 °C 27 °C 05:47 20:25 00:41 11:37 Last Quarter (54 %)
June 7, 2026 San Jose June 7, 2026: Sunny Sunny 7 °C 25 °C 05:46 20:26 01:04 12:35 Last Quarter (43 %)
June 8, 2026 San Jose June 8, 2026: Partly cloudy Partly cloudy 9 °C 21 °C 05:46 20:26 01:27 13:35 Last Quarter (33 %)
June 9, 2026 San Jose June 9, 2026: Sunny Sunny 9 °C 24 °C 05:46 20:27 01:49 14:36 Waning Crescent (24 %)