FONTANA, CA 92336 Weather Forecast & Current Conditions

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ONTARIO, CA
Current Weather

12:53 AM PDT AUG 13, 2025
Clear
66°F
Feels Like: 66°F
Dewpoint: 61°F
Rel. Hum.: 84%
Visibility: 9 miles
Wind: WSW at 6 mph
Pressure: 29.93 inches
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FONTANA, CA 92336
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Mostly clear this evening...becoming partly cloudy. Lows 60 to 66. Areas of winds west 10 to 15 mph with gusts to 25 mph this evening becoming light.
WEDNESDAY
Mostly sunny. Hazy in the afternoon. Highs 92 to 100. Areas of winds west to 10 mph...becoming 10 to 15 mph with gusts to 25 mph in the afternoon.
WEDNESDAY NIGHT
Hazy in the evening. Mostly clear. Lows 61 to 66. Areas of winds west 10 to 15 mph with gusts to 25 mph in the evening becoming light.
THURSDAY
Mostly sunny. Highs 91 to 98. Light winds becoming west 10 to 15 mph in the afternoon.
THURSDAY NIGHT
Mostly clear. Lows 57 to 62. Areas of winds southwest 10 mph in the evening becoming light.
FRIDAY
Partly cloudy in the morning...becoming sunny. Highs 86 to 94.
FRIDAY NIGHT
Mostly clear. Lows 54 to 60.
SATURDAY
Mostly sunny. Highs 84 to 91.
SATURDAY NIGHT
Clear. Lows 53 to 60.
SUNDAY
Mostly sunny. Highs 85 to 92.
SUNDAY NIGHT
Mostly clear. Lows 55 to 61.
MONDAY
Mostly sunny. Highs 87 to 94.
MONDAY NIGHT
Clear. Lows 57 to 63.

Visible Weather Satellite
FONTANA, CA 92336
Infrared Weather Satellite
FONTANA, CA 92336
NEXRAD Weather Radar
FONTANA, CA 92336

ONTARIO, CA 3 hourly weather forecast

weather forecast created  5:00 PM PDT  8/12/2025
Wednesday
13 AUG 2025
FONTANA, CA 92336 weather forecast Day 1, 0 hours 11 PM 73° 73° Clear 0%

0% Thunder
( 0% severe)
WSW   7 68% 62°
Low 65° FONTANA, CA 92336 weather forecast Day 1, 3 hours 2 AM 69° 69° Clear WSW   5 78% 62°
High 94° FONTANA, CA 92336 weather forecast Day 1, 6 hours 5 AM 66° 66° Partly Cloudy 0%

0% Thunder
( 0% severe)
SW   2 87% 62°

Partly Cloudy



FONTANA, CA 92336 weather forecast Day 1, 9 hours 8 AM 68° 68° Partly Cloudy S   1 84% 63°
FONTANA, CA 92336 weather forecast Day 1, 12 hours 11 AM 81° 82° Clear 0%

0% Thunder
( 0% severe)
SW   5 53% 62°
FONTANA, CA 92336 weather forecast Day 1, 15 hours 2 PM 91° 90° Clear WSW   9 34% 59°
FONTANA, CA 92336 weather forecast Day 1, 18 hours 5 PM 90° 90° Clear 0%

0% Thunder
( 0% severe)
WSW   12 37% 60°
FONTANA, CA 92336 weather forecast Day 1, 21 hours 8 PM 80° 81° Clear WSW   7 52% 61°
Thursday
14 AUG 2025
FONTANA, CA 92336 weather forecast Day 2, 0 hours 11 PM 73° 73° Clear 0%

0% Thunder
( 0% severe)
WSW   6 68% 62°
Low 66° FONTANA, CA 92336 weather forecast Day 2, 3 hours 2 AM 69° 69° Clear WSW   5 78% 62°
High 93° FONTANA, CA 92336 weather forecast Day 2, 6 hours 5 AM 66° 66° Partly Cloudy 0%

0% Thunder
( 0% severe)
WSW   3 84% 61°

Partly Cloudy



FONTANA, CA 92336 weather forecast Day 2, 9 hours 8 AM 69° 69° Partly Cloudy SW   2 78% 62°
FONTANA, CA 92336 weather forecast Day 2, 12 hours 11 AM 80° 81° Clear 0%

0% Thunder
( 0% severe)
SW   6 52% 61°
FONTANA, CA 92336 weather forecast Day 2, 15 hours 2 PM 90° 89° Clear WSW   9 34% 58°
FONTANA, CA 92336 weather forecast Day 2, 18 hours 5 PM 89° 88° Clear 0%

0% Thunder
( 0% severe)
WSW   12 37% 59°
FONTANA, CA 92336 weather forecast Day 2, 21 hours 8 PM 78° 80° Clear WSW   9 56% 61°

ONTARIO, CA extended weather forecast

Friday
15 AUG 2025
Saturday
16 AUG 2025
Sunday
17 AUG 2025
Monday
18 AUG 2025
Tuesday
19 AUG 2025
Low 63° Low 64° Low 63° Low 62° Low 67°
High 85° High 84° High 87° High 91° High 99°
FONTANA, CA 92336 weather forecast Day 3 FONTANA, CA 92336 weather forecast Day 4 FONTANA, CA 92336 weather forecast Day 5 FONTANA, CA 92336 weather forecast Day 6 FONTANA, CA 92336 weather forecast Day 7
Partly Cloudy
1% Rain
Partly Cloudy
3% Rain
Partly Cloudy
1% Rain
Clear
1% Rain
Clear
3% Rain
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