Live Weather & Forecast
Weather in Fontana
California, United States · Real-time conditions & 3-day outlook
12°C
Feels like 11°C
53°F / Feels 52°F
Partly cloudy
Fontana, California
🌙 Nighttime
Updated: 2026-04-13 01:45
Humidity
80%
Wind
6.8 km/h SSW
Wind Gust
7.9 km/h
Pressure
1017 mb
Visibility
16 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
75%
Dew Point
6.9°C
Wind Degree
203°
Air Quality Index
US EPA: Moderate
UK DEFRA: Low (2)
CO
229.9 μg/m³
NO₂
20.2 μg/m³
O₃
57 μg/m³
SO₂
11.7 μg/m³
PM 2.5
16.5 μg/m³
PM 10
20.4 μg/m³
Today's Hourly Forecast
24-hour breakdown for Fontana, California
12 AM
11°
Clear
1 AM
12°
Partly cloudy
2 AM
10°
Overcast
3 AM
9°
Clear
4 AM
9°
Clear
5 AM
9°
Partly Cloudy
6 AM
9°
Clear
7 AM
10°
Sunny
8 AM
12°
Sunny
9 AM
13°
Partly Cloudy
10 AM
14°
Partly Cloudy
11 AM
15°
Sunny
12 PM
16°
Partly Cloudy
1 PM
16°
Partly Cloudy
2 PM
17°
Overcast
3 PM
15°
Partly Cloudy
4 PM
14°
Partly Cloudy
5 PM
13°
Partly Cloudy
6 PM
12°
Cloudy
7 PM
12°
Cloudy
8 PM
12°
Partly Cloudy
9 PM
11°
Overcast
10 PM
11°
Overcast
11 PM
11°
Patchy rain nearby
3-Day Forecast
Daily overview for Fontana, California
Today
Partly Cloudy
17°
/
9°
🌧️ 0% chance of rain
💧 Avg. humidity: 71%
💨 Max wind: 23.4 km/h
🌧️ Total precip: 0.04 mm
☀️ UV Index: 1.3
🌅 Sunrise: 06:21 AM
🌇 Sunset: 07:20 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Sunny
20°
/
9°
🌧️ 0% chance of rain
💧 Avg. humidity: 62%
💨 Max wind: 15.1 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.8
🌅 Sunrise: 06:20 AM
🌇 Sunset: 07:21 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Wed, Apr 15
Sunny
20°
/
9°
🌧️ 0% chance of rain
💧 Avg. humidity: 64%
💨 Max wind: 17.3 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.8
🌅 Sunrise: 06:18 AM
🌇 Sunset: 07:22 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Best Time to Visit Fontana
Plan your trip to Fontana, 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 Fontana?
Current conditions in Fontana: Partly cloudy, temperature 12°C, humidity 80%.
What is the best time to visit Fontana?
The best time to visit Fontana is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Fontana?
Fontana is located at approximately 34.1° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Fontana?
The wettest period in Fontana is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Fontana?
For visits to Fontana during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Fontana in?
Fontana is located in United States, in the state of California.
What are the public holidays in Fontana in 2026?
View the 2026 public holidays for Fontana on our Holidays page.
What are the GPS coordinates used for the weather forecast in Fontana?
The weather forecast for Fontana uses coordinates 34.0923, -117.4343.