Weather Forecast for Napa & Sonoma
California, United States of America
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Current Weather - Napa & Sonoma: 25°C
Current Weather - Napa & Sonoma: 25°C
California, United States of America
Sunny
Feels like 26°C
Wind
12 km/h SSW
Humidity
51%
Pressure
1013 mb
UV Index
10
Visibility
16 km
Sunny
Friday, July 17, 2026
High
28°C
Low
13°C
Rain Chance
6%
Hourly Forecast
16°C
13°C
Day Statistics
Maximum Wind
13 km/h
Humidity
69%
Precipitation
0 mm
UV Index
10
Visibility
10 km
Rain Chance
6%
Snow Chance
0%
Sun & Moon
Sunrise
05:59 AM
Sunset
08:31 PM
Moonrise
09:37 AM
Moonset
10:42 PM
Moon Phase
Waxing Crescent
Moon Illumination
15%
Air Quality
PM2.5
8.8
μg/m³
PM10
11.8
μg/m³
NO₂
6.1
μg/m³
O₃
52.2
μg/m³
SO₂
0.8
μg/m³
CO
94
μg/m³
Sunny
Saturday, July 18, 2026
High
27°C
Low
11°C
Rain Chance
4%
Hourly Forecast
12°C
12°C
12°C
11°C
11°C
11°C
11°C
13°C
15°C
18°C
20°C
23°C
24°C
26°C
27°C
27°C
26°C
26°C
24°C
23°C
20°C
16°C
14°C
13°C
Day Statistics
Maximum Wind
12 km/h
Humidity
64%
Precipitation
0 mm
UV Index
10
Visibility
10 km
Rain Chance
4%
Snow Chance
0%
Sun & Moon
Sunrise
06:00 AM
Sunset
08:30 PM
Moonrise
10:50 AM
Moonset
11:08 PM
Moon Phase
Waxing Crescent
Moon Illumination
23%
Air Quality
PM2.5
9.1
μg/m³
PM10
12.4
μg/m³
NO₂
4.3
μg/m³
O₃
54
μg/m³
SO₂
0.8
μg/m³
CO
92.7
μg/m³
Sunny
Sunday, July 19, 2026
High
28°C
Low
11°C
Rain Chance
5%
Hourly Forecast
12°C
12°C
12°C
11°C
11°C
11°C
11°C
13°C
15°C
18°C
21°C
24°C
26°C
27°C
28°C
27°C
27°C
25°C
24°C
23°C
21°C
18°C
17°C
17°C
Day Statistics
Maximum Wind
12 km/h
Humidity
60%
Precipitation
0 mm
UV Index
9
Visibility
10 km
Rain Chance
5%
Snow Chance
0%
Sun & Moon
Sunrise
06:00 AM
Sunset
08:30 PM
Moonrise
12:00 PM
Moonset
11:33 PM
Moon Phase
First Quarter
Moon Illumination
33%
Air Quality
PM2.5
9.3
μg/m³
PM10
12.4
μg/m³
NO₂
4.5
μg/m³
O₃
53.8
μg/m³
SO₂
0.7
μg/m³
CO
97.7
μg/m³
Partly Cloudy
Monday, July 20, 2026
High
25°C
Low
15°C
Rain Chance
5%
Hourly Forecast
17°C
15°C
16°C
15°C
15°C
15°C
15°C
16°C
17°C
20°C
21°C
21°C
23°C
24°C
25°C
22°C
20°C
25°C
25°C
23°C
22°C
18°C
17°C
16°C
Day Statistics
Maximum Wind
12 km/h
Humidity
58%
Precipitation
0 mm
UV Index
10
Visibility
10 km
Rain Chance
5%
Snow Chance
0%
Sun & Moon
Sunrise
06:01 AM
Sunset
08:29 PM
Moonrise
01:08 PM
Moonset
Does not set today
Moon Phase
First Quarter
Moon Illumination
43%
Air Quality
PM2.5
9.7
μg/m³
PM10
13.3
μg/m³
NO₂
3.8
μg/m³
O₃
51.5
μg/m³
SO₂
0.7
μg/m³
CO
112.8
μg/m³
Sunny
Tuesday, July 21, 2026
High
34°C
Low
16°C
Rain Chance
36%
Hourly Forecast
16°C
16°C
16°C
16°C
16°C
16°C
17°C
18°C
23°C
25°C
28°C
30°C
31°C
32°C
33°C
34°C
34°C
32°C
30°C
26°C
23°C
21°C
20°C
19°C
Day Statistics
Maximum Wind
23 km/h
Humidity
58%
Precipitation
0 mm
UV Index
8
Visibility
10 km
Rain Chance
36%
Snow Chance
0%
Sun & Moon
Sunrise
06:02 AM
Sunset
08:28 PM
Moonrise
02:16 PM
Moonset
12:00 AM
Moon Phase
First Quarter
Moon Illumination
53%
Air Quality
PM2.5
9.2
μg/m³
PM10
12.1
μg/m³
NO₂
8.2
μg/m³
O₃
30.7
μg/m³
SO₂
0.5
μg/m³
CO
125
μg/m³
Overcast
Wednesday, July 22, 2026
High
26°C
Low
15°C
Rain Chance
10%
Hourly Forecast
19°C
19°C
19°C
19°C
19°C
19°C
19°C
19°C
19°C
20°C
20°C
21°C
23°C
24°C
26°C
26°C
26°C
26°C
24°C
22°C
21°C
19°C
17°C
15°C
Day Statistics
Maximum Wind
21 km/h
Humidity
70%
Precipitation
0 mm
UV Index
7
Visibility
10 km
Rain Chance
10%
Snow Chance
0%
Sun & Moon
Sunrise
06:03 AM
Sunset
08:27 PM
Moonrise
03:22 PM
Moonset
12:29 AM
Moon Phase
First Quarter
Moon Illumination
64%
Sunny
Thursday, July 23, 2026
High
30°C
Low
14°C
Rain Chance
6%
Hourly Forecast
15°C
15°C
14°C
15°C
15°C
15°C
16°C
16°C
17°C
20°C
23°C
26°C
27°C
28°C
29°C
29°C
30°C
30°C
27°C
25°C
23°C
20°C
17°C
14°C
Day Statistics
Maximum Wind
14 km/h
Humidity
65%
Precipitation
0 mm
UV Index
7
Visibility
9 km
Rain Chance
6%
Snow Chance
0%
Sun & Moon
Sunrise
06:04 AM
Sunset
08:27 PM
Moonrise
04:27 PM
Moonset
01:03 AM
Moon Phase
Waxing Gibbous
Moon Illumination
74%
Solar Radiation Data
Shortwave Radiation
962.22
Diffuse Radiation
78.53
DNI
0
GTI
0
Weather Alerts
Small Craft Advisory issued July 17 at 9:09AM PDT until July 17 at 9:00PM PDT by NWS San Francisco CA
* WHAT...Northwest winds 10 to 20 kt with gusts up to 25 kt. * WHERE...Coastal Waters from Point Arena to Point Reyes California out to 10 NM. * WHEN...Until 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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