Weather Forecast for Santa Rosa
California, United States of America
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Current Weather - Santa Rosa: 26°C
Current Weather - Santa Rosa: 26°C
California, United States of America
Sunny
Feels like 22°C
Wind
14 km/h SSW
Humidity
30%
Pressure
1010 mb
UV Index
6
Visibility
10 km
Sunny
Sunday, September 27, 2026
High
26°C
Low
12°C
Rain Chance
6%
Hourly Forecast
12°C
Day Statistics
Maximum Wind
17 km/h
Humidity
58%
Precipitation
0 mm
UV Index
6
Visibility
10 km
Rain Chance
6%
Snow Chance
0%
Sun & Moon
Sunrise
07:03 AM
Sunset
07:00 PM
Moonrise
07:18 PM
Moonset
08:09 AM
Moon Phase
Waning Gibbous
Moon Illumination
96%
Air Quality
PM2.5
6.6
μg/m³
PM10
9.2
μg/m³
NO₂
3.5
μg/m³
O₃
56.7
μg/m³
SO₂
0.6
μg/m³
CO
121.4
μg/m³
Sunny
Monday, September 28, 2026
High
28°C
Low
11°C
Rain Chance
2%
Hourly Forecast
11°C
11°C
11°C
11°C
11°C
11°C
11°C
11°C
12°C
16°C
19°C
22°C
25°C
26°C
28°C
27°C
25°C
25°C
24°C
20°C
18°C
17°C
17°C
17°C
Day Statistics
Maximum Wind
17 km/h
Humidity
50%
Precipitation
0 mm
UV Index
6
Visibility
10 km
Rain Chance
2%
Snow Chance
0%
Sun & Moon
Sunrise
07:04 AM
Sunset
06:58 PM
Moonrise
07:46 PM
Moonset
09:14 AM
Moon Phase
Waning Gibbous
Moon Illumination
91%
Air Quality
PM2.5
8.1
μg/m³
PM10
10.5
μg/m³
NO₂
5.5
μg/m³
O₃
58.1
μg/m³
SO₂
0.5
μg/m³
CO
147.3
μg/m³
Sunny
Tuesday, September 29, 2026
High
32°C
Low
15°C
Rain Chance
1%
Hourly Forecast
16°C
16°C
16°C
16°C
16°C
15°C
15°C
15°C
17°C
21°C
25°C
28°C
30°C
32°C
32°C
31°C
31°C
30°C
28°C
24°C
21°C
20°C
20°C
19°C
Day Statistics
Maximum Wind
16 km/h
Humidity
35%
Precipitation
0 mm
UV Index
6
Visibility
10 km
Rain Chance
1%
Snow Chance
0%
Sun & Moon
Sunrise
07:04 AM
Sunset
06:57 PM
Moonrise
08:18 PM
Moonset
10:21 AM
Moon Phase
Waning Gibbous
Moon Illumination
84%
Air Quality
PM2.5
8.6
μg/m³
PM10
10.9
μg/m³
NO₂
7.7
μg/m³
O₃
64.1
μg/m³
SO₂
0.5
μg/m³
CO
157.2
μg/m³
Sunny
Wednesday, September 30, 2026
High
34°C
Low
17°C
Rain Chance
1%
Hourly Forecast
18°C
18°C
18°C
17°C
17°C
17°C
17°C
17°C
18°C
22°C
26°C
29°C
31°C
33°C
34°C
33°C
32°C
30°C
27°C
23°C
21°C
20°C
19°C
19°C
Day Statistics
Maximum Wind
14 km/h
Humidity
33%
Precipitation
0 mm
UV Index
7
Visibility
10 km
Rain Chance
1%
Snow Chance
0%
Sun & Moon
Sunrise
07:05 AM
Sunset
06:55 PM
Moonrise
08:57 PM
Moonset
11:29 AM
Moon Phase
Waning Gibbous
Moon Illumination
75%
Air Quality
PM2.5
10.6
μg/m³
PM10
13.4
μg/m³
NO₂
10.5
μg/m³
O₃
55.6
μg/m³
SO₂
0.6
μg/m³
CO
169.7
μg/m³
Overcast
Thursday, October 01, 2026
High
32°C
Low
15°C
Rain Chance
4%
Hourly Forecast
18°C
18°C
18°C
17°C
17°C
15°C
17°C
16°C
15°C
21°C
26°C
25°C
32°C
30°C
30°C
28°C
27°C
25°C
22°C
20°C
18°C
17°C
16°C
15°C
Day Statistics
Maximum Wind
12 km/h
Humidity
42%
Precipitation
0 mm
UV Index
6
Visibility
10 km
Rain Chance
4%
Snow Chance
0%
Sun & Moon
Sunrise
07:06 AM
Sunset
06:54 PM
Moonrise
09:47 PM
Moonset
12:37 PM
Moon Phase
Last Quarter
Moon Illumination
66%
Air Quality
PM2.5
16.5
μg/m³
PM10
20.6
μg/m³
NO₂
24.3
μg/m³
O₃
15.3
μg/m³
SO₂
0.7
μg/m³
CO
244
μg/m³
Overcast
Friday, October 02, 2026
High
31°C
Low
15°C
Rain Chance
9%
Hourly Forecast
16°C
16°C
16°C
15°C
15°C
15°C
15°C
16°C
16°C
20°C
23°C
26°C
28°C
30°C
31°C
29°C
27°C
25°C
23°C
21°C
20°C
19°C
19°C
18°C
Day Statistics
Maximum Wind
12 km/h
Humidity
46%
Precipitation
0 mm
UV Index
7
Visibility
10 km
Rain Chance
9%
Snow Chance
0%
Sun & Moon
Sunrise
07:07 AM
Sunset
06:52 PM
Moonrise
10:46 PM
Moonset
01:41 PM
Moon Phase
Last Quarter
Moon Illumination
55%
Sunny
Saturday, October 03, 2026
High
37°C
Low
17°C
Rain Chance
1%
Hourly Forecast
18°C
18°C
18°C
18°C
18°C
17°C
18°C
18°C
19°C
23°C
27°C
31°C
33°C
35°C
37°C
35°C
33°C
31°C
29°C
26°C
23°C
23°C
22°C
22°C
Day Statistics
Maximum Wind
10 km/h
Humidity
30%
Precipitation
0 mm
UV Index
9
Visibility
10 km
Rain Chance
1%
Snow Chance
0%
Sun & Moon
Sunrise
07:08 AM
Sunset
06:51 PM
Moonrise
11:54 PM
Moonset
02:38 PM
Moon Phase
Last Quarter
Moon Illumination
45%
Solar Radiation Data
Shortwave Radiation
759.12
Diffuse Radiation
78.62
DNI
0
GTI
0
Weather Alerts
Small Craft Advisory issued September 27 at 2:47AM PDT until September 28 at 3:00AM PDT by NWS San Francisco CA
* WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt expected. * WHERE...Coastal Waters from Point Arena to Point Reyes California out to 10 NM. * WHEN...From 9 AM this morning to 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.
Small Craft Advisory issued September 27 at 9:03AM PDT until September 28 at 3:00AM PDT by NWS San Francisco CA
* WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt expected. * 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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