Weather Forecast for Napa & Sonoma

California, United States of America

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Current Weather - Napa & Sonoma: 12°C

California, United States of America

Clear

Feels like 11°C

Wind

6 km/h W

Humidity

80%

Pressure

1013 mb

UV Index

0

Visibility

10 km

Overcast

Overcast

Saturday, September 26, 2026

High

22°C

Low

11°C

Rain Chance

12%

Hourly Forecast

Cloudy 17°C
10:00
Cloudy 19°C
11:00
Partly Cloudy 20°C
12:00
Cloudy 21°C
13:00
Overcast 22°C
14:00
Overcast 22°C
15:00
Overcast 21°C
16:00
Overcast 20°C
17:00
Sunny 18°C
18:00
Clear 16°C
19:00
Partly Cloudy 15°C
20:00
Cloudy 14°C
21:00
Overcast 13°C
22:00
Overcast 13°C
23:00
Sep 27

Day Statistics

Maximum Wind

12 km/h

Humidity

68%

Precipitation

0 mm

UV Index

5

Visibility

10 km

Rain Chance

12%

Snow Chance

0%

Sun & Moon

Sunrise

07:00 AM

Sunset

07:00 PM

Moonrise

06:53 PM

Moonset

07:05 AM

Moon Phase

Full Moon

Moon Illumination

99%

Air Quality

PM2.5

8.2

μg/m³

PM10

10.7

μg/m³

NO₂

9.9

μg/m³

O₃

49

μg/m³

SO₂

0.7

μg/m³

CO

120.9

μg/m³

US EPA Index: 1 GB DEFRA Index: 1