Weather Forecast for Santa Rosa
California, United States of America
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Current Weather - Santa Rosa: 11°C
Current Weather - Santa Rosa: 11°C
California, United States of America
Clear
Feels like 10°C
Wind
7 km/h NW
Humidity
85%
Pressure
1016 mb
UV Index
0
Visibility
10 km
Sunny
Sunday, September 13, 2026
High
29°C
Low
10°C
Rain Chance
2%
Hourly Forecast
22°C
24°C
27°C
29°C
29°C
29°C
28°C
26°C
23°C
19°C
17°C
16°C
15°C
Day Statistics
Maximum Wind
12 km/h
Humidity
53%
Precipitation
0 mm
UV Index
6
Visibility
10 km
Rain Chance
2%
Snow Chance
0%
Sun & Moon
Sunrise
06:50 AM
Sunset
07:22 PM
Moonrise
09:42 AM
Moonset
08:29 PM
Moon Phase
Waxing Crescent
Moon Illumination
8%
Air Quality
PM2.5
15.4
μg/m³
PM10
18.1
μg/m³
NO₂
3.3
μg/m³
O₃
72.4
μg/m³
SO₂
1.2
μg/m³
CO
135.5
μg/m³
Smoky haze
Monday, September 14, 2026
High
30°C
Low
14°C
Rain Chance
3%
Hourly Forecast
15°C
15°C
15°C
15°C
14°C
14°C
14°C
14°C
16°C
20°C
24°C
27°C
29°C
30°C
30°C
29°C
30°C
28°C
26°C
23°C
20°C
18°C
17°C
17°C
Day Statistics
Maximum Wind
18 km/h
Humidity
42%
Precipitation
0 mm
UV Index
5
Visibility
10 km
Rain Chance
3%
Snow Chance
0%
Sun & Moon
Sunrise
06:51 AM
Sunset
07:21 PM
Moonrise
10:54 AM
Moonset
09:01 PM
Moon Phase
Waxing Crescent
Moon Illumination
14%
Air Quality
PM2.5
48.5
μg/m³
PM10
50.7
μg/m³
NO₂
14.9
μg/m³
O₃
60.3
μg/m³
SO₂
1.7
μg/m³
CO
201.3
μg/m³
Smoky haze
Tuesday, September 15, 2026
High
31°C
Low
13°C
Rain Chance
3%
Hourly Forecast
16°C
15°C
15°C
15°C
14°C
14°C
13°C
13°C
15°C
19°C
22°C
25°C
28°C
30°C
31°C
30°C
26°C
25°C
23°C
20°C
17°C
16°C
16°C
15°C
Day Statistics
Maximum Wind
17 km/h
Humidity
52%
Precipitation
0 mm
UV Index
6
Visibility
10 km
Rain Chance
3%
Snow Chance
0%
Sun & Moon
Sunrise
06:52 AM
Sunset
07:19 PM
Moonrise
12:04 PM
Moonset
09:38 PM
Moon Phase
Waxing Crescent
Moon Illumination
23%
Air Quality
PM2.5
64
μg/m³
PM10
68.4
μg/m³
NO₂
16.9
μg/m³
O₃
68.8
μg/m³
SO₂
2.2
μg/m³
CO
176.7
μg/m³
Sunny
Wednesday, September 16, 2026
High
30°C
Low
13°C
Rain Chance
4%
Hourly Forecast
15°C
14°C
14°C
14°C
14°C
13°C
13°C
13°C
15°C
18°C
22°C
25°C
28°C
30°C
30°C
29°C
26°C
25°C
24°C
20°C
17°C
16°C
16°C
15°C
Day Statistics
Maximum Wind
17 km/h
Humidity
55%
Precipitation
0 mm
UV Index
6
Visibility
10 km
Rain Chance
4%
Snow Chance
0%
Sun & Moon
Sunrise
06:53 AM
Sunset
07:18 PM
Moonrise
01:10 PM
Moonset
10:20 PM
Moon Phase
First Quarter
Moon Illumination
32%
Air Quality
PM2.5
18.1
μg/m³
PM10
23.5
μg/m³
NO₂
8.2
μg/m³
O₃
46.2
μg/m³
SO₂
0.4
μg/m³
CO
155.1
μg/m³
Sunny
Thursday, September 17, 2026
High
29°C
Low
13°C
Rain Chance
2%
Hourly Forecast
14°C
14°C
14°C
13°C
13°C
13°C
13°C
13°C
14°C
18°C
22°C
24°C
26°C
27°C
29°C
28°C
27°C
26°C
23°C
20°C
17°C
16°C
15°C
14°C
Day Statistics
Maximum Wind
15 km/h
Humidity
56%
Precipitation
0 mm
UV Index
7
Visibility
10 km
Rain Chance
2%
Snow Chance
0%
Sun & Moon
Sunrise
06:54 AM
Sunset
07:16 PM
Moonrise
02:11 PM
Moonset
11:10 PM
Moon Phase
First Quarter
Moon Illumination
42%
Air Quality
PM2.5
15.5
μg/m³
PM10
20.6
μg/m³
NO₂
8
μg/m³
O₃
41.8
μg/m³
SO₂
0.2
μg/m³
CO
212.2
μg/m³
Sunny
Friday, September 18, 2026
High
30°C
Low
12°C
Rain Chance
2%
Hourly Forecast
14°C
14°C
13°C
13°C
13°C
12°C
13°C
13°C
14°C
17°C
21°C
25°C
27°C
29°C
30°C
29°C
28°C
27°C
24°C
20°C
17°C
17°C
16°C
15°C
Day Statistics
Maximum Wind
14 km/h
Humidity
54%
Precipitation
0 mm
UV Index
8
Visibility
10 km
Rain Chance
2%
Snow Chance
0%
Sun & Moon
Sunrise
06:55 AM
Sunset
07:14 PM
Moonrise
03:05 PM
Moonset
Does not set today
Moon Phase
First Quarter
Moon Illumination
53%
Sunny
Saturday, September 19, 2026
High
32°C
Low
14°C
Rain Chance
1%
Hourly Forecast
15°C
15°C
15°C
14°C
14°C
14°C
14°C
15°C
16°C
19°C
23°C
27°C
28°C
30°C
32°C
31°C
31°C
30°C
27°C
24°C
20°C
19°C
18°C
16°C
Day Statistics
Maximum Wind
13 km/h
Humidity
46%
Precipitation
0 mm
UV Index
8
Visibility
10 km
Rain Chance
1%
Snow Chance
0%
Sun & Moon
Sunrise
06:56 AM
Sunset
07:13 PM
Moonrise
03:50 PM
Moonset
12:05 AM
Moon Phase
First Quarter
Moon Illumination
63%
Weather Alerts
Small Craft Advisory issued September 12 at 2:01PM PDT until September 14 at 3:00AM PDT by NWS San Francisco CA
* WHAT...Northwest winds 15 to 25 kt with gusts up to 34 kt. * WHERE...Coastal Waters from Point Arena to Point Reyes California out to 10 NM. * WHEN...Until 3 AM PDT Monday. * 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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