Live Weather & Forecast
Weather in Sylmar
California, United States · Real-time conditions & 3-day outlook
21°C
Feels like 21°C
70°F / Feels 70°F
Sunny
Sylmar, California
🌞 Daytime
Updated: 2026-04-15 12:15
Humidity
44%
Wind
11.2 km/h S
Wind Gust
12.9 km/h
Pressure
1017 mb
Visibility
16 km
UV Index
7.3
(High)
Precipitation
0 mm
Cloud Cover
0%
Dew Point
11.5°C
Wind Degree
174°
Air Quality Index
US EPA: Good
UK DEFRA: Low (2)
CO
273.9 μg/m³
NO₂
32.5 μg/m³
O₃
84 μg/m³
SO₂
12.9 μg/m³
PM 2.5
15.5 μg/m³
PM 10
33.4 μg/m³
Today's Hourly Forecast
24-hour breakdown for Sylmar, California
12 AM
13°
Clear
1 AM
13°
Clear
2 AM
12°
Clear
3 AM
12°
Clear
4 AM
11°
Clear
5 AM
11°
Clear
6 AM
11°
Clear
7 AM
12°
Sunny
8 AM
14°
Sunny
9 AM
16°
Sunny
10 AM
19°
Sunny
11 AM
22°
Sunny
12 PM
21°
Sunny
1 PM
25°
Sunny
2 PM
26°
Sunny
3 PM
26°
Sunny
4 PM
26°
Sunny
5 PM
25°
Sunny
6 PM
23°
Sunny
7 PM
21°
Sunny
8 PM
19°
Clear
9 PM
17°
Clear
10 PM
16°
Clear
11 PM
15°
Clear
3-Day Forecast
Daily overview for Sylmar, California
Today
Sunny
27°
/
11°
🌧️ 0% chance of rain
💧 Avg. humidity: 54%
💨 Max wind: 15.5 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.9
🌅 Sunrise: 06:22 AM
🌇 Sunset: 07:26 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Thu, Apr 16
Overcast
22°
/
12°
🌧️ 0% chance of rain
💧 Avg. humidity: 65%
💨 Max wind: 15.8 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.5
🌅 Sunrise: 06:21 AM
🌇 Sunset: 07:27 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Sunny
26°
/
9°
🌧️ 0% chance of rain
💧 Avg. humidity: 18%
💨 Max wind: 11.5 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.9
🌅 Sunrise: 06:20 AM
🌇 Sunset: 07:28 PM
🌙 New Moon
🌑 Moon: 0% lit
Best Time to Visit Sylmar
Plan your trip to Sylmar, 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 Sylmar?
Current conditions in Sylmar: Sunny, temperature 21°C, humidity 44%.
What is the best time to visit Sylmar?
The best time to visit Sylmar is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Sylmar?
Sylmar is located at approximately 34.3° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Sylmar?
The wettest period in Sylmar is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Sylmar?
For visits to Sylmar during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Sylmar in?
Sylmar is located in United States, in the state of California.
What are the public holidays in Sylmar in 2026?
View the 2026 public holidays for Sylmar on our Holidays page.
What are the GPS coordinates used for the weather forecast in Sylmar?
The weather forecast for Sylmar uses coordinates 34.3076, -118.4492.