RIALTO, CA 92377 Weather Forecast & Current Conditions

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ONTARIO, CA
Current Weather

8:53 PM PDT JUN 26, 2025
Clear
72°F
Feels Like: 72°F
Dewpoint: 61°F
Rel. Hum.: 68%
Visibility: 10 miles
Wind: WSW at 9 mph
Pressure: 29.89 inches
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RIALTO, CA 92377
Weather Forecast

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Snow Depth pages
TONIGHT
Mostly clear this evening...becoming partly cloudy. Patchy fog overnight. Lows 56 to 62. Areas of winds west 10 to 15 mph with gusts to 25 mph this evening becoming light.
FRIDAY
Mostly sunny. Highs 90 to 97. Areas of winds west to 10 mph...becoming 10 to 15 mph with gusts to 25 mph in the afternoon.
FRIDAY NIGHT
Mostly clear. Lows 56 to 63. Areas of winds west 10 to 15 mph with gusts to 25 mph in the evening becoming light.
SATURDAY
Mostly sunny. Highs 92 to 98. Light winds becoming southwest 10 to 15 mph with gusts to 25 mph in the afternoon.
SATURDAY NIGHT
Mostly clear. Lows 58 to 64. Areas of winds west 10 to 15 mph with gusts to 25 mph in the evening becoming light.
SUNDAY
Mostly sunny. Highs 91 to 98.
SUNDAY NIGHT
Mostly clear. Lows 56 to 62.
MONDAY
Mostly sunny. Highs 89 to 96.
MONDAY NIGHT
Clear. Lows 55 to 61.
TUESDAY
Patchy fog in the morning. Mostly sunny. Highs 89 to 96.
TUESDAY NIGHT
Mostly clear. Lows 56 to 62.
WEDNESDAY
Patchy fog in the morning. Mostly sunny. Highs 90 to 98.
WEDNESDAY NIGHT
Mostly clear. Lows 56 to 62.

Visible Weather Satellite
RIALTO, CA 92377
Infrared Weather Satellite
RIALTO, CA 92377
NEXRAD Weather Radar
RIALTO, CA 92377

ONTARIO, CA 3 hourly weather forecast

weather forecast created  5:00 AM PDT  6/26/2025
Thursday
26 JUN 2025
RIALTO, CA 92377 weather forecast Day 1, 12 hours 11 AM 74° 74° Clear 0%

0% Thunder
( 0% severe)
SW   5 57% 58°
High 87° RIALTO, CA 92377 weather forecast Day 1, 15 hours 2 PM 86° 85° Clear WSW   10 36% 56°
Clear



RIALTO, CA 92377 weather forecast Day 1, 18 hours 5 PM 86° 85° Clear 0%

0% Thunder
( 0% severe)
WSW   12 37% 57°
RIALTO, CA 92377 weather forecast Day 1, 21 hours 8 PM 75° 75° Clear WSW   9 55% 58°
Friday
27 JUN 2025
RIALTO, CA 92377 weather forecast Day 2, 0 hours 11 PM 68° 68° Clear 0%

0% Thunder
( 0% severe)
WSW   6 73% 59°
Low 62° RIALTO, CA 92377 weather forecast Day 2, 3 hours 2 AM 64° 65° Partly Cloudy WSW   3 81% 58°
High 92° RIALTO, CA 92377 weather forecast Day 2, 6 hours 5 AM 62° 63° Partly Cloudy 0%

0% Thunder
( 0% severe)
W   2 87% 58°

Partly Cloudy



RIALTO, CA 92377 weather forecast Day 2, 9 hours 8 AM 67° 67° Partly Cloudy S   1 73% 58°
RIALTO, CA 92377 weather forecast Day 2, 12 hours 11 AM 79° 80° Clear 0%

0% Thunder
( 0% severe)
SW   5 47% 57°
RIALTO, CA 92377 weather forecast Day 2, 15 hours 2 PM 90° 88° Clear WSW   10 30% 54°
RIALTO, CA 92377 weather forecast Day 2, 18 hours 5 PM 89° 87° Clear 0%

0% Thunder
( 0% severe)
WSW   13 30% 54°
RIALTO, CA 92377 weather forecast Day 2, 21 hours 8 PM 78° 79° Clear WSW   10 47% 56°
Saturday
28 JUN 2025
RIALTO, CA 92377 weather forecast Day 3, 0 hours 11 PM 70° 70° Clear 0%

0% Thunder
( 0% severe)
WSW   6 63% 57°
Low 63° RIALTO, CA 92377 weather forecast Day 3, 3 hours 2 AM 66° 66° Partly Cloudy W   3 68% 55°
High 94° RIALTO, CA 92377 weather forecast Day 3, 6 hours 5 AM 64° 66° Partly Cloudy 0%

0% Thunder
( 0% severe)
NNE   2 73% 55°

Partly Cloudy



RIALTO, CA 92377 weather forecast Day 3, 9 hours 8 AM 69° 69° Partly Cloudy S   1 61% 55°
RIALTO, CA 92377 weather forecast Day 3, 15 hours 11 AM 82° 81° Clear 0%

0% Thunder
( 0% severe)
SW   5 33% 50°
RIALTO, CA 92377 weather forecast Day 3, 18 hours 2 PM 92° 88° Clear SW   10 21% 47°
RIALTO, CA 92377 weather forecast Day 3, 21 hours 5 PM 91° 88° Clear     WSW   13 25% 50°

ONTARIO, CA extended weather forecast

Sunday
29 JUN 2025
Monday
30 JUN 2025
Tuesday
1 JUL 2025
Wednesday
2 JUL 2025
Thursday
3 JUL 2025
Low 65° Low 62° Low 61° Low 60° Low 64°
High 95° High 94° High 92° High 92° High 94°
RIALTO, CA 92377 weather forecast Day 4 RIALTO, CA 92377 weather forecast Day 5 RIALTO, CA 92377 weather forecast Day 6 RIALTO, CA 92377 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Clear
1% Rain
Clear
1% Rain
Clear
1% Rain
Clear
2% Rain
Partly Cloudy
1% Rain
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