FONTANA, CA 92335 Weather Forecast & Current Conditions

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ONTARIO, CA
Current Weather

6:53 PM PDT SEP 8, 2025
Clear
82°F
Feels Like: 81°F
Dewpoint: 54°F
Rel. Hum.: 38%
Visibility: 10 miles
Wind: WSW at 12 mph
Pressure: 29.94 inches
Last 72 hours

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FONTANA, CA 92335
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Mostly clear. Patchy fog overnight. Local visibility one quarter mile or less at times overnight. Cooler. Lows 55 to 60. Areas of winds west 10 to 15 mph this evening becoming light.
TUESDAY
Mostly sunny. Highs 82 to 88. Areas of winds southwest to 10 mph...becoming 10 to 15 mph with gusts to 25 mph in the afternoon.
TUESDAY NIGHT
Clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 52 to 59. Areas of winds southwest 10 to 15 mph with gusts to 25 mph becoming south overnight.
WEDNESDAY
Mostly cloudy with patchy fog in the morning... Becoming mostly sunny. Highs 76 to 82. Light winds becoming southwest 10 to 15 mph with gusts to 25 mph in the afternoon.
WEDNESDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 50 to 57. Areas of winds west 10 to 15 mph with gusts to 25 mph in the evening becoming light.
THURSDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 76 to 82.
THURSDAY NIGHT
Clear in the evening...becoming partly cloudy. Lows 51 to 57.
FRIDAY
Mostly cloudy with patchy fog in the morning...becoming sunny. Highs 79 to 84.
FRIDAY NIGHT
Clear. Lows 54 to 59.
SATURDAY
Mostly sunny. Highs 83 to 89.
SATURDAY NIGHT
Clear. Lows 54 to 59.
SUNDAY
Partly cloudy in the morning...becoming sunny. Highs 83 to 88.
SUNDAY NIGHT
Clear. Lows 55 to 59.

Visible Weather Satellite
FONTANA, CA 92335
Infrared Weather Satellite
FONTANA, CA 92335
NEXRAD Weather Radar
FONTANA, CA 92335

ONTARIO, CA 3 hourly weather forecast

weather forecast created  5:00 AM PDT  9/ 8/2025
Monday
8 SEP 2025
FONTANA, CA 92335 weather forecast Day 1, 12 hours 11 AM 83° 81° Clear 0%

0% Thunder
( 0% severe)
SW   5 30% 48°
High 92° FONTANA, CA 92335 weather forecast Day 1, 15 hours 2 PM 91° 87° Clear WSW   10 21% 46°
Clear



FONTANA, CA 92335 weather forecast Day 1, 18 hours 5 PM 88° 85° Clear 0%

0% Thunder
( 0% severe)
WSW   14 26% 49°
FONTANA, CA 92335 weather forecast Day 1, 21 hours 8 PM 78° 79° Clear WSW   9 39% 51°
Tuesday
9 SEP 2025
FONTANA, CA 92335 weather forecast Day 2, 0 hours 11 PM 70° 70° Clear 0%

0% Thunder
( 0% severe)
WSW   8 57% 54°
Low 62° FONTANA, CA 92335 weather forecast Day 2, 3 hours 2 AM 66° 66° Clear W   6 68% 55°
High 85° FONTANA, CA 92335 weather forecast Day 2, 6 hours 5 AM 64° 65° Clear 0%

0% Thunder
( 0% severe)
W   3 75% 56°

Clear



FONTANA, CA 92335 weather forecast Day 2, 9 hours 8 AM 64° 66° Partly Cloudy WSW   2 81% 58°
FONTANA, CA 92335 weather forecast Day 2, 12 hours 11 AM 74° 74° Clear 0%

0% Thunder
( 0% severe)
SW   5 51% 55°
FONTANA, CA 92335 weather forecast Day 2, 15 hours 2 PM 83° 82° Clear WSW   10 34% 52°
FONTANA, CA 92335 weather forecast Day 2, 18 hours 5 PM 80° 80° Clear 0%

0% Thunder
( 0% severe)
WSW   14 42% 55°
FONTANA, CA 92335 weather forecast Day 2, 21 hours 8 PM 71° 71° Clear SW   13 61% 57°
Wednesday
10 SEP 2025
FONTANA, CA 92335 weather forecast Day 3, 0 hours 11 PM 66° 66° Clear 2%

0% Thunder
( 0% severe)
WSW   10 78% 59°
Low 61° FONTANA, CA 92335 weather forecast Day 3, 3 hours 2 AM 64° 64° Partly Cloudy SW   7 84% 59°
High 80° FONTANA, CA 92335 weather forecast Day 3, 6 hours 5 AM 63° 64° Mostly Cloudy 3%

0% Thunder
( 0% severe)
SSW   5 87% 59°

Decreasing Clouds



FONTANA, CA 92335 weather forecast Day 3, 9 hours 8 AM 62° 63° Mostly Cloudy S   3 90% 59°
FONTANA, CA 92335 weather forecast Day 3, 15 hours 11 AM 69° 69° Partly Cloudy 0%

0% Thunder
( 0% severe)
SSW   3 63% 56°
FONTANA, CA 92335 weather forecast Day 3, 18 hours 2 PM 78° 79° Clear SW   8 42% 53°
FONTANA, CA 92335 weather forecast Day 3, 21 hours 5 PM 77° 79° Clear     WSW   13 47% 55°

ONTARIO, CA extended weather forecast

Thursday
11 SEP 2025
Friday
12 SEP 2025
Saturday
13 SEP 2025
Sunday
14 SEP 2025
Monday
15 SEP 2025
Low 62° Low 62° Low 61° Low 63° Low 63°
High 80° High 83° High 86° High 86° High 87°
FONTANA, CA 92335 weather forecast Day 4 FONTANA, CA 92335 weather forecast Day 5 FONTANA, CA 92335 weather forecast Day 6 FONTANA, CA 92335 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Partly Cloudy
8% Rain
Partly Cloudy
9% Rain
Clear
8% Rain
Partly Cloudy
5% Rain
Clear
6% Rain
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