Live Weather & Forecast
Weather in Napa
California, United States · Real-time conditions & 3-day outlook
12°C
Feels like 12°C
53°F / Feels 54°F
Sunny
Napa, California
🌞 Daytime
Updated: 2026-04-13 10:00
Humidity
83%
Wind
3.6 km/h NW
Wind Gust
10.8 km/h
Pressure
1020 mb
Visibility
16 km
UV Index
2.8
(Low)
Precipitation
0 mm
Cloud Cover
25%
Dew Point
7.6°C
Wind Degree
320°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
158.9 μg/m³
NO₂
1.9 μg/m³
O₃
86 μg/m³
SO₂
1.5 μg/m³
PM 2.5
3.6 μg/m³
PM 10
4 μg/m³
Today's Hourly Forecast
24-hour breakdown for Napa, California
12 AM
10°
Clear
1 AM
10°
Clear
2 AM
10°
Clear
3 AM
9°
Clear
4 AM
9°
Clear
5 AM
8°
Clear
6 AM
8°
Clear
7 AM
9°
Sunny
8 AM
10°
Sunny
9 AM
11°
Sunny
10 AM
12°
Sunny
11 AM
14°
Sunny
12 PM
15°
Sunny
1 PM
16°
Sunny
2 PM
17°
Sunny
3 PM
17°
Partly Cloudy
4 PM
18°
Partly Cloudy
5 PM
18°
Sunny
6 PM
17°
Sunny
7 PM
15°
Sunny
8 PM
13°
Clear
9 PM
12°
Clear
10 PM
11°
Clear
11 PM
10°
Clear
3-Day Forecast
Daily overview for Napa, California
Today
Sunny
19°
/
8°
🌧️ 0% chance of rain
💧 Avg. humidity: 75%
💨 Max wind: 17.3 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.1
🌅 Sunrise: 06:36 AM
🌇 Sunset: 07:44 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Mist
18°
/
7°
🌧️ 0% chance of rain
💧 Avg. humidity: 84%
💨 Max wind: 15.8 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.6
🌅 Sunrise: 06:34 AM
🌇 Sunset: 07:45 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Wed, Apr 15
Partly Cloudy
18°
/
6°
🌧️ 0% chance of rain
💧 Avg. humidity: 82%
💨 Max wind: 20.9 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.6
🌅 Sunrise: 06:33 AM
🌇 Sunset: 07:46 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Best Time to Visit Napa
Plan your trip to Napa, United States around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Napa?
Current conditions in Napa: Sunny, temperature 12°C, humidity 83%.
What is the best time to visit Napa?
The best time to visit Napa is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Napa?
Napa is located at approximately 38.3° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Napa?
The wettest period in Napa is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Napa?
For visits to Napa during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Napa in?
Napa is located in United States, in the state of California.
What are the public holidays in Napa in 2026?
View the 2026 public holidays for Napa on our Holidays page.
What are the GPS coordinates used for the weather forecast in Napa?
The weather forecast for Napa uses coordinates 38.2971, -122.2855.