Live Weather & Forecast
Weather in San Anselmo
California, United States · Real-time conditions & 3-day outlook
15°C
Feels like 15°C
60°F / Feels 60°F
Overcast
San Anselmo, California
🌞 Daytime
Updated: 2026-04-12 18:30
Humidity
72%
Wind
22.7 km/h W
Wind Gust
27.9 km/h
Pressure
1012 mb
Visibility
16 km
UV Index
0.6
(Low)
Precipitation
0 mm
Cloud Cover
100%
Dew Point
9.9°C
Wind Degree
269°
Air Quality Index
US EPA: Good
UK DEFRA: Low (2)
CO
227.9 μg/m³
NO₂
29.5 μg/m³
O₃
38 μg/m³
SO₂
2.9 μg/m³
PM 2.5
12.9 μg/m³
PM 10
15.2 μg/m³
Today's Hourly Forecast
24-hour breakdown for San Anselmo, California
12 AM
10°
Patchy rain nearby
1 AM
10°
Moderate rain
2 AM
10°
Patchy rain nearby
3 AM
10°
Patchy rain nearby
4 AM
10°
Clear
5 AM
10°
Overcast
6 AM
10°
Patchy rain nearby
7 AM
10°
Moderate rain at times
8 AM
11°
Patchy rain nearby
9 AM
12°
Moderate rain at times
10 AM
13°
Partly Cloudy
11 AM
13°
Light rain
12 PM
14°
Patchy rain nearby
1 PM
15°
Partly Cloudy
2 PM
15°
Partly Cloudy
3 PM
15°
Sunny
4 PM
15°
Sunny
5 PM
15°
Sunny
6 PM
15°
Overcast
7 PM
13°
Sunny
8 PM
12°
Clear
9 PM
11°
Clear
10 PM
11°
Clear
11 PM
10°
Partly Cloudy
3-Day Forecast
Daily overview for San Anselmo, California
Today
Moderate rain
16°
/
9°
🌧️ 85% chance of rain
💧 Avg. humidity: 74%
💨 Max wind: 45.7 km/h
🌧️ Total precip: 6.52 mm
☀️ UV Index: 1.1
🌅 Sunrise: 06:39 AM
🌇 Sunset: 07:44 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Partly Cloudy
17°
/
8°
🌧️ 0% chance of rain
💧 Avg. humidity: 77%
💨 Max wind: 21.2 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
Mist
15°
/
8°
🌧️ 0% chance of rain
💧 Avg. humidity: 83%
💨 Max wind: 20.5 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.6
🌅 Sunrise: 06:36 AM
🌇 Sunset: 07:46 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Best Time to Visit San Anselmo
Plan your trip to San Anselmo, 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 San Anselmo?
Current conditions in San Anselmo: Overcast, temperature 15°C, humidity 72%.
What is the best time to visit San Anselmo?
The best time to visit San Anselmo is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in San Anselmo?
San Anselmo is located at approximately 38° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in San Anselmo?
The wettest period in San Anselmo is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to San Anselmo?
For visits to San Anselmo during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is San Anselmo in?
San Anselmo is located in United States, in the state of California.
What are the public holidays in San Anselmo in 2026?
View the 2026 public holidays for San Anselmo on our Holidays page.
What are the GPS coordinates used for the weather forecast in San Anselmo?
The weather forecast for San Anselmo uses coordinates 37.9744, -122.5615.