Weather Forecast for San Jose
California, United States of America
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Current Weather - San Jose: 12°C
Current Weather - San Jose: 12°C
California, United States of America
Clear
Feels like 11°C
Wind
7 km/h NW
Humidity
86%
Pressure
1016 mb
UV Index
0
Visibility
10 km
Sunny
Sunday, September 13, 2026
High
24°C
Low
12°C
Rain Chance
5%
Hourly Forecast
24°C
24°C
23°C
22°C
20°C
17°C
14°C
13°C
13°C
13°C
Day Statistics
Maximum Wind
17 km/h
Humidity
64%
Precipitation
0 mm
UV Index
8
Visibility
10 km
Rain Chance
5%
Snow Chance
0%
Sun & Moon
Sunrise
06:48 AM
Sunset
07:18 PM
Moonrise
09:37 AM
Moonset
08:28 PM
Moon Phase
Waxing Crescent
Moon Illumination
8%
Air Quality
PM2.5
7.7
μg/m³
PM10
10.9
μg/m³
NO₂
3
μg/m³
O₃
68.7
μg/m³
SO₂
1.1
μg/m³
CO
140
μg/m³
Sunny
Monday, September 14, 2026
High
28°C
Low
12°C
Rain Chance
3%
Hourly Forecast
12°C
12°C
12°C
12°C
12°C
12°C
12°C
13°C
15°C
19°C
22°C
25°C
26°C
27°C
28°C
28°C
28°C
28°C
26°C
22°C
18°C
17°C
16°C
15°C
Day Statistics
Maximum Wind
15 km/h
Humidity
52%
Precipitation
0 mm
UV Index
7
Visibility
10 km
Rain Chance
3%
Snow Chance
0%
Sun & Moon
Sunrise
06:48 AM
Sunset
07:17 PM
Moonrise
10:48 AM
Moonset
09:01 PM
Moon Phase
Waxing Crescent
Moon Illumination
14%
Air Quality
PM2.5
14.1
μg/m³
PM10
17.6
μg/m³
NO₂
8.2
μg/m³
O₃
62.4
μg/m³
SO₂
1.3
μg/m³
CO
211.6
μg/m³
Sunny
Tuesday, September 15, 2026
High
30°C
Low
12°C
Rain Chance
2%
Hourly Forecast
15°C
14°C
14°C
13°C
13°C
12°C
12°C
12°C
14°C
18°C
22°C
25°C
28°C
29°C
30°C
30°C
30°C
28°C
26°C
22°C
18°C
16°C
15°C
14°C
Day Statistics
Maximum Wind
7 km/h
Humidity
52%
Precipitation
0 mm
UV Index
7
Visibility
10 km
Rain Chance
2%
Snow Chance
0%
Sun & Moon
Sunrise
06:49 AM
Sunset
07:15 PM
Moonrise
11:57 AM
Moonset
09:38 PM
Moon Phase
Waxing Crescent
Moon Illumination
23%
Air Quality
PM2.5
18
μg/m³
PM10
23
μg/m³
NO₂
10.8
μg/m³
O₃
62.2
μg/m³
SO₂
1.1
μg/m³
CO
207.6
μg/m³
Sunny
Wednesday, September 16, 2026
High
30°C
Low
12°C
Rain Chance
3%
Hourly Forecast
14°C
13°C
13°C
13°C
13°C
13°C
13°C
12°C
14°C
18°C
21°C
25°C
27°C
29°C
30°C
30°C
29°C
28°C
27°C
23°C
19°C
18°C
16°C
15°C
Day Statistics
Maximum Wind
8 km/h
Humidity
58%
Precipitation
0 mm
UV Index
7
Visibility
10 km
Rain Chance
3%
Snow Chance
0%
Sun & Moon
Sunrise
06:50 AM
Sunset
07:14 PM
Moonrise
01:03 PM
Moonset
10:21 PM
Moon Phase
First Quarter
Moon Illumination
32%
Air Quality
PM2.5
17.8
μg/m³
PM10
23
μg/m³
NO₂
11.7
μg/m³
O₃
59.4
μg/m³
SO₂
1.2
μg/m³
CO
189.4
μg/m³
Sunny
Thursday, September 17, 2026
High
31°C
Low
14°C
Rain Chance
2%
Hourly Forecast
15°C
15°C
14°C
15°C
14°C
14°C
14°C
14°C
16°C
20°C
24°C
26°C
28°C
30°C
31°C
30°C
29°C
28°C
25°C
22°C
19°C
18°C
17°C
16°C
Day Statistics
Maximum Wind
10 km/h
Humidity
53%
Precipitation
0 mm
UV Index
8
Visibility
10 km
Rain Chance
2%
Snow Chance
0%
Sun & Moon
Sunrise
06:51 AM
Sunset
07:12 PM
Moonrise
02:04 PM
Moonset
11:11 PM
Moon Phase
First Quarter
Moon Illumination
42%
Air Quality
PM2.5
15.1
μg/m³
PM10
19.7
μg/m³
NO₂
19.4
μg/m³
O₃
30.8
μg/m³
SO₂
1.2
μg/m³
CO
222.8
μg/m³
Sunny
Friday, September 18, 2026
High
31°C
Low
14°C
Rain Chance
2%
Hourly Forecast
16°C
15°C
15°C
15°C
15°C
14°C
15°C
16°C
16°C
19°C
22°C
25°C
27°C
29°C
31°C
30°C
29°C
28°C
25°C
22°C
19°C
18°C
17°C
16°C
Day Statistics
Maximum Wind
13 km/h
Humidity
54%
Precipitation
0 mm
UV Index
8
Visibility
10 km
Rain Chance
2%
Snow Chance
0%
Sun & Moon
Sunrise
06:52 AM
Sunset
07:11 PM
Moonrise
02:57 PM
Moonset
Does not set today
Moon Phase
First Quarter
Moon Illumination
53%
Sunny
Saturday, September 19, 2026
High
31°C
Low
14°C
Rain Chance
2%
Hourly Forecast
16°C
16°C
15°C
15°C
14°C
14°C
15°C
15°C
16°C
19°C
22°C
26°C
27°C
29°C
31°C
30°C
29°C
28°C
24°C
21°C
18°C
17°C
16°C
15°C
Day Statistics
Maximum Wind
14 km/h
Humidity
50%
Precipitation
0 mm
UV Index
8
Visibility
10 km
Rain Chance
2%
Snow Chance
0%
Sun & Moon
Sunrise
06:53 AM
Sunset
07:09 PM
Moonrise
03:43 PM
Moonset
12:06 AM
Moon Phase
First Quarter
Moon Illumination
63%
Weather Alerts
Small Craft Advisory issued September 12 at 8:42PM PDT until September 13 at 9:00PM PDT by NWS San Francisco CA
* WHAT...West winds 15 to 25 kt with gusts up to 30 kt and rough waters. * WHERE...San Francisco Bay South of the Bay Bridge. * WHEN...Until 9 PM PDT Sunday. * IMPACTS...Conditions will be hazardous to small craft.
Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Small Craft Advisory issued September 13 at 2:20AM PDT until September 13 at 9:00PM PDT by NWS San Francisco CA
* WHAT...West winds 15 to 25 kt with gusts up to 30 kt and choppy waters expected. * WHERE...San Francisco Bay South of the Bay Bridge. * WHEN...From 3 PM this afternoon to 9 PM PDT this evening. * IMPACTS...Conditions will be hazardous to small craft.
Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
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