Live Weather & Forecast

Weather in San Marino

California, United States · Real-time conditions & 3-day outlook

Flag of United States
Overcast
16°C
Feels like 16°C
61°F / Feels 61°F
Overcast
San Marino, California
🌞 Daytime
Updated: 2026-04-12 07:00
💧
Humidity
78%
💨
Wind
11.9 km/h SW
🌬️
Wind Gust
15 km/h
🌡️
Pressure
1014 mb
👁️
Visibility
16 km
☀️
UV Index
0 (Low)
🌧️
Precipitation
0 mm
☁️
Cloud Cover
100%
💦
Dew Point
12.4°C
🌐
Wind Degree
220°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)
CO
159.9 μg/m³
NO₂
8.5 μg/m³
O₃
92 μg/m³
SO₂
4.7 μg/m³
PM 2.5
6.6 μg/m³
PM 10
8.3 μg/m³

Weather Alerts 5

Met · Moderate · Expected
Winter Weather Advisory issued April 11 at 12:19PM PDT until April 13 at 11:00AM PDT by NWS Los Angeles/Oxnard CA

* WHAT...Wet snow expected. Total snow accumulations up to around 6 inches above 6000 feet. Winds gusting as high as 45 mph. * WHERE...Eastern San Gabriel Mountains, Interstate 5 Corridor, and Western San Gabriel Mountains and Highway 14 Corridor. * WHEN...From 3 AM Sunday to 11 AM PDT Monday. * IMPACTS...The hazardous conditions could impact the Monday morning commute. Gusty winds could bring...

Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.

Effective: 2026-04-11T12:19:00-07:00  ·  Expires: 2026-04-12T06:00:00-07:00
Met · Moderate · Expected
Winter Weather Advisory issued April 11 at 8:36PM PDT until April 13 at 11:00AM PDT by NWS Los Angeles/Oxnard CA

* WHAT...Wet snow expected. Total snow accumulations up to around 6 inches above 6000 feet. Winds gusting as high as 45 mph. * WHERE...Eastern San Gabriel Mountains, Interstate 5 Corridor, and Western San Gabriel Mountains and Highway 14 Corridor. * WHEN...From 3 AM Sunday to 11 AM PDT Monday. * IMPACTS...The hazardous conditions could impact the Monday morning commute. Gusty winds could bring...

Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.

Effective: 2026-04-11T20:36:00-07:00  ·  Expires: 2026-04-12T11:00:00-07:00
Met · Moderate · Expected
Wind Advisory issued April 11 at 7:00PM PDT until April 12 at 10:00PM PDT by NWS Los Angeles/Oxnard CA

* WHAT...Southwest winds 20 to 30 mph with gusts up to 45 mph expected. Isolated gusts to around 55 mph near Lake Palmdale. * WHERE...Antelope Valley Foothills. * WHEN...From 3 AM to 10 PM PDT Sunday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.

Effective: 2026-04-11T19:00:00-07:00  ·  Expires: 2026-04-12T07:00:00-07:00
Met · Moderate · Expected
Special Weather Statement issued April 12 at 4:43AM PDT by NWS Los Angeles/Oxnard CA

At 442 AM PDT, Doppler radar was tracking gusty showers across portions of Ventura and Los Angeles Counties moving northeast at 25 mph. HAZARD...Wind gusts up to 40 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Oxnard... Thousand Oaks... Simi Valley... Eastern Ventura... Camarillo... Fillmore......

If outdoors, consider seeking shelter inside a building.

Effective: 2026-04-12T04:43:00-07:00  ·  Expires: 2026-04-12T05:45:00-07:00
Met · Moderate · Expected
Winter Weather Advisory issued April 12 at 12:40AM PDT until April 13 at 11:00AM PDT by NWS Los Angeles/Oxnard CA

* WHAT...Wet snow expected. Total snow accumulations up to around 6 inches above 6000 feet. Winds gusting as high as 45 mph. * WHERE...Eastern San Gabriel Mountains, Interstate 5 Corridor, and Western San Gabriel Mountains and Highway 14 Corridor. * WHEN...Until 11 AM PDT Monday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Monday morning commute. Gust...

Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.

Effective: 2026-04-12T00:40:00-07:00  ·  Expires: 2026-04-12T17:00:00-07:00

Today's Hourly Forecast

24-hour breakdown for San Marino, California

12 AM
Partly Cloudy
14°
Partly Cloudy
💧 78% 💨 11.2 km/h
1 AM
Partly Cloudy
14°
Partly Cloudy
💧 83% 💨 12.6 km/h
2 AM
Light rain
14°
Light rain
💧 93% 💨 13.3 km/h 🌧️ 100%
3 AM
Overcast
14°
Overcast
💧 90% 💨 13.3 km/h
4 AM
Overcast
14°
Overcast
💧 90% 💨 11.5 km/h
5 AM
Cloudy
14°
Cloudy
💧 91% 💨 11.2 km/h
6 AM
Cloudy
14°
Cloudy
💧 91% 💨 12.6 km/h
7 AM
Overcast
16°
Overcast
💧 78% 💨 11.9 km/h
8 AM
Patchy rain nearby
14°
Patchy rain nearby
💧 88% 💨 10.4 km/h 🌧️ 70%
9 AM
Light drizzle
14°
Light drizzle
💧 88% 💨 9 km/h 🌧️ 100%
10 AM
Moderate rain
14°
Moderate rain
💧 94% 💨 8.6 km/h 🌧️ 100%
11 AM
Moderate rain at times
15°
Moderate rain at times
💧 81% 💨 9.4 km/h 🌧️ 100%
12 PM
Patchy rain nearby
16°
Patchy rain nearby
💧 75% 💨 11.2 km/h 🌧️ 100%
1 PM
Patchy rain nearby
16°
Patchy rain nearby
💧 68% 💨 15.8 km/h 🌧️ 100%
2 PM
Patchy rain nearby
16°
Patchy rain nearby
💧 74% 💨 20.2 km/h 🌧️ 100%
3 PM
Sunny
17°
Sunny
💧 58% 💨 21.2 km/h
4 PM
Sunny
16°
Sunny
💧 53% 💨 22.7 km/h
5 PM
Sunny
16°
Sunny
💧 55% 💨 19.4 km/h
6 PM
Sunny
15°
Sunny
💧 59% 💨 16.9 km/h
7 PM
Sunny
14°
Sunny
💧 67% 💨 15.5 km/h
8 PM
Clear
13°
Clear
💧 70% 💨 13 km/h
9 PM
Clear
13°
Clear
💧 75% 💨 10.8 km/h
10 PM
Clear
13°
Clear
💧 77% 💨 9.7 km/h
11 PM
Clear
12°
Clear
💧 60% 💨 9.7 km/h

3-Day Forecast

Daily overview for San Marino, California

Today
Moderate rain
Moderate rain
17° / 12°
🌧️ 86% chance of rain
💧 Avg. humidity: 77%
💨 Max wind: 22.7 km/h
🌧️ Total precip: 8.63 mm
☀️ UV Index: 1.3
🌅 Sunrise: 06:25 AM
🌇 Sunset: 07:22 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Partly Cloudy
Partly Cloudy
15° / 10°
🌧️ 0% chance of rain
💧 Avg. humidity: 73%
💨 Max wind: 19.1 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.4
🌅 Sunrise: 06:23 AM
🌇 Sunset: 07:23 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Sunny
Sunny
21° / 9°
🌧️ 0% chance of rain
💧 Avg. humidity: 67%
💨 Max wind: 16.2 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.8
🌅 Sunrise: 06:22 AM
🌇 Sunset: 07:24 PM
🌙 Waning Crescent
🌑 Moon: 15% lit

Best Time to Visit San Marino

Plan your trip to San Marino, 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.
← Back to San Marino 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in San Marino?
Current conditions in San Marino: Overcast, temperature 16°C, humidity 78%.
What is the best time to visit San Marino?
The best time to visit San Marino is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in San Marino?
San Marino is located at approximately 34.1° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in San Marino?
The wettest period in San Marino is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to San Marino?
For visits to San Marino during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is San Marino in?
San Marino is located in United States, in the state of California.
What are the public holidays in San Marino in 2026?
View the 2026 public holidays for San Marino on our Holidays page.
What are the GPS coordinates used for the weather forecast in San Marino?
The weather forecast for San Marino uses coordinates 34.1216, -118.1057.