Live Weather & Forecast
Weather in Petaluma
California, United States · Real-time conditions & 3-day outlook
14°C
Feels like 15°C
58°F / Feels 59°F
Sunny
Petaluma, California
🌞 Daytime
Updated: 2026-04-13 10:45
Humidity
82%
Wind
3.6 km/h NNE
Wind Gust
10.8 km/h
Pressure
1020 mb
Visibility
16 km
UV Index
2.7
(Low)
Precipitation
0 mm
Cloud Cover
0%
Dew Point
7°C
Wind Degree
11°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
154.9 μg/m³
NO₂
1.9 μg/m³
O₃
86 μg/m³
SO₂
1.8 μg/m³
PM 2.5
3.9 μg/m³
PM 10
4.9 μg/m³
Today's Hourly Forecast
24-hour breakdown for Petaluma, California
12 AM
10°
Clear
1 AM
9°
Clear
2 AM
9°
Clear
3 AM
8°
Clear
4 AM
8°
Clear
5 AM
7°
Clear
6 AM
7°
Clear
7 AM
7°
Sunny
8 AM
9°
Sunny
9 AM
11°
Sunny
10 AM
14°
Sunny
11 AM
15°
Sunny
12 PM
16°
Sunny
1 PM
17°
Partly Cloudy
2 PM
17°
Partly Cloudy
3 PM
18°
Partly Cloudy
4 PM
18°
Sunny
5 PM
18°
Sunny
6 PM
17°
Sunny
7 PM
15°
Sunny
8 PM
13°
Clear
9 PM
12°
Clear
10 PM
10°
Clear
11 PM
8°
Mist
3-Day Forecast
Daily overview for Petaluma, California
Today
Sunny
19°
/
6°
🌧️ 0% chance of rain
💧 Avg. humidity: 74%
💨 Max wind: 17.3 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.5
🌅 Sunrise: 06:37 AM
🌇 Sunset: 07:45 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Partly Cloudy
17°
/
5°
🌧️ 0% chance of rain
💧 Avg. humidity: 85%
💨 Max wind: 16.2 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.6
🌅 Sunrise: 06:36 AM
🌇 Sunset: 07:46 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Wed, Apr 15
Partly Cloudy
17°
/
5°
🌧️ 0% chance of rain
💧 Avg. humidity: 84%
💨 Max wind: 22.3 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.6
🌅 Sunrise: 06:34 AM
🌇 Sunset: 07:47 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Best Time to Visit Petaluma
Plan your trip to Petaluma, 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 Petaluma?
Current conditions in Petaluma: Sunny, temperature 14°C, humidity 82%.
What is the best time to visit Petaluma?
The best time to visit Petaluma is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Petaluma?
Petaluma is located at approximately 38.2° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Petaluma?
The wettest period in Petaluma is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Petaluma?
For visits to Petaluma during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Petaluma in?
Petaluma is located in United States, in the state of California.
What are the public holidays in Petaluma in 2026?
View the 2026 public holidays for Petaluma on our Holidays page.
What are the GPS coordinates used for the weather forecast in Petaluma?
The weather forecast for Petaluma uses coordinates 38.2326, -122.6365.