Live Weather & Forecast
Weather in Sylmar
California, United States · Real-time conditions & 3-day outlook
19°C
Feels like 19°C
66°F / Feels 66°F
Clear
Sylmar, California
🌙 Nighttime
Updated: 2026-04-15 20:45
Humidity
52%
Wind
4.7 km/h WSW
Wind Gust
5.4 km/h
Pressure
1014 mb
Visibility
10 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
0%
Dew Point
8.3°C
Wind Degree
251°
Air Quality Index
US EPA: Moderate
UK DEFRA: Low (3)
CO
491.9 μg/m³
NO₂
64 μg/m³
O₃
11 μg/m³
SO₂
11.6 μg/m³
PM 2.5
34.4 μg/m³
PM 10
39.4 μg/m³
Weather Alerts 1
Met
· Moderate · Expected
Wind Advisory issued April 15 at 12:36PM PDT until April 16 at 9:00AM PDT by NWS Los Angeles/Oxnard CA
* WHAT...Northwest winds 25 to 35 mph with gusts up to 45 mph expected. * WHERE...Interstate 5 Corridor and Western Antelope Valley Foothills. * WHEN...From 2 AM to 9 AM PDT Thursday. * 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.
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
21°
Sunny
12 PM
24°
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
14°
Clear
3-Day Forecast
Daily overview for Sylmar, California
Today
Sunny
27°
/
11°
🌧️ 0% chance of rain
💧 Avg. humidity: 57%
💨 Max wind: 15.5 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.8
🌅 Sunrise: 06:22 AM
🌇 Sunset: 07:26 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Thu, Apr 16
Partly Cloudy
21°
/
11°
🌧️ 0% chance of rain
💧 Avg. humidity: 76%
💨 Max wind: 15.1 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
25°
/
11°
🌧️ 0% chance of rain
💧 Avg. humidity: 23%
💨 Max wind: 8.6 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: Clear, temperature 19°C, humidity 52%.
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.