FONTANA, CA 92337 Weather Forecast & Current Conditions

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RIVERSIDE, CA
Current Weather

10:53 AM PDT SEP 26, 2025
Overcast
70°F
Feels Like: 70°F
Dewpoint: 59°F
Rel. Hum.: 68%
Visibility: 10 miles
Wind: Calm
Pressure: 29.92 inches
Last 72 hours

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FONTANA, CA 92337
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Mostly cloudy this morning...becoming partly cloudy. Patchy fog. Highs 75 to 81. Areas of winds south to 10 mph becoming southwest with gusts to 25 mph this afternoon.
TONIGHT
Partly cloudy in the evening...becoming mostly cloudy overnight with patchy fog. Lows 57 to 62. Areas of winds southwest 10 mph in the evening becoming light.
SATURDAY
Patchy fog in the morning. Mostly cloudy in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Highs 76 to 81. Light winds becoming southwest 10 to 15 mph with gusts to 25 mph in the afternoon. Chance of measurable precipitation 50 percent.
SATURDAY NIGHT
Partly cloudy. Lows 55 to 61. Areas of winds west 10 to 15 mph with gusts to 25 mph...becoming to 10 mph overnight.
SUNDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 78 to 83. Light winds becoming west 10 to 15 mph in the afternoon.
SUNDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 55 to 60.
MONDAY
Partly cloudy with patchy fog in the morning...becoming mostly sunny. Highs 78 to 84.
MONDAY NIGHT
Partly cloudy. Patchy fog overnight. Lows 54 to 59.
TUESDAY
Patchy fog in the morning. Partly cloudy. Highs 76 to 81.
TUESDAY NIGHT
Mostly clear. Lows 52 to 57.
WEDNESDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 78 to 84.
WEDNESDAY NIGHT
Mostly clear. Lows 54 to 59.
THURSDAY
Mostly sunny. Highs 82 to 87.

Visible Weather Satellite
FONTANA, CA 92337
Infrared Weather Satellite
FONTANA, CA 92337
NEXRAD Weather Radar
FONTANA, CA 92337

RIVERSIDE, CA 3 hourly weather forecast

weather forecast created  7:00 AM CDT  9/26/2025
Friday
26 SEP 2025
FONTANA, CA 92337 weather forecast Day 1, 12 hours 11 AM 69° 69° Mostly Cloudy 3%

0% Thunder
( 7% severe)
W   2 70% 59°
High 79° FONTANA, CA 92337 weather forecast Day 1, 15 hours 2 PM 78° 79° Partly Cloudy W   7 52% 59°
Partly Cloudy



FONTANA, CA 92337 weather forecast Day 1, 18 hours 5 PM 76° 78° Partly Cloudy 6%

0% Thunder
( 10% severe)
W   12 58% 60°
FONTANA, CA 92337 weather forecast Day 1, 21 hours 8 PM 69° 69° Partly Cloudy W   8 73% 60°
Saturday
27 SEP 2025
FONTANA, CA 92337 weather forecast Day 2, 0 hours 11 PM 67° 67° Mostly Cloudy 9%

0% Thunder
( 7% severe)
W   9 78% 60°
Low 63° FONTANA, CA 92337 weather forecast Day 2, 3 hours 2 AM 66° 66° Mostly Cloudy W   6 84% 61°
High 80° FONTANA, CA 92337 weather forecast Day 2, 6 hours 5 AM 65° 65° Overcast 5%

0% Thunder
( 7% severe)
W   2 87% 61°

Overcast



FONTANA, CA 92337 weather forecast Day 2, 9 hours 8 AM 64° 66° Overcast W   2 90% 61°
FONTANA, CA 92337 weather forecast Day 2, 12 hours 11 AM 68° 68° Mostly Cloudy 18%
RAIN
<.01 in
0% Thunder
( 23% severe)
W   2 76% 60°
FONTANA, CA 92337 weather forecast Day 2, 15 hours 2 PM 76° 78° Mostly Cloudy W   6 58% 60°
FONTANA, CA 92337 weather forecast Day 2, 18 hours 5 PM 76° 78° Partly Cloudy 2%

0% Thunder
( 15% severe)
W   10 58% 60°
FONTANA, CA 92337 weather forecast Day 2, 21 hours 8 PM 69° 69° Partly Cloudy W   5 73% 60°
Sunday
28 SEP 2025
FONTANA, CA 92337 weather forecast Day 3, 0 hours 11 PM 67° 67° Partly Cloudy 1%

0% Thunder
( 3% severe)
WSW   5 78% 60°
Low 62° FONTANA, CA 92337 weather forecast Day 3, 3 hours 2 AM 65° 65° Partly Cloudy WSW   3 87% 61°
High 81° FONTANA, CA 92337 weather forecast Day 3, 6 hours 5 AM 64° 66° Mostly Cloudy 1%

0% Thunder
( 1% severe)
WSW   2 90% 61°

Mostly Cloudy



FONTANA, CA 92337 weather forecast Day 3, 9 hours 8 AM 64° 66° Mostly Cloudy W   1 90% 61°
FONTANA, CA 92337 weather forecast Day 3, 15 hours 11 AM 69° 69° Partly Cloudy 1%

0% Thunder
( 7% severe)
SW   1 73% 60°
FONTANA, CA 92337 weather forecast Day 3, 18 hours 2 PM 78° 79° Partly Cloudy WSW   5 52% 59°
FONTANA, CA 92337 weather forecast Day 3, 21 hours 5 PM 78° 79° Clear     WSW   10 52% 59°

RIVERSIDE, CA extended weather forecast

Monday
29 SEP 2025
Tuesday
30 SEP 2025
Wednesday
1 OCT 2025
Thursday
2 OCT 2025
Friday
3 OCT 2025
Low 61° Low 61° Low 59° Low 59° Low 60°
High 80° High 81° High 83° High 84° High 90°
FONTANA, CA 92337 weather forecast Day 4 FONTANA, CA 92337 weather forecast Day 5 FONTANA, CA 92337 weather forecast Day 6 FONTANA, CA 92337 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Partly Cloudy
12% Rain
Partly Cloudy
6% Rain
Partly Cloudy
9% Rain
Clear
8% Rain
Clear
9% Rain
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