ONTARIO, CA 91758 Weather Forecast & Current Conditions

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ONTARIO, CA
Current Weather

11:53 PM PDT JUL 11, 2025
Clear
66°F
Feels Like: 66°F
Dewpoint: 61°F
Rel. Hum.: 84%
Visibility: 10 miles
Wind: WSW at 6 mph
Pressure: 29.96 inches
Last 72 hours

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ONTARIO, CA 91758
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Mostly clear. Patchy fog overnight. Lows 55 to 62. Areas of winds west to 10 mph this evening becoming light.
SATURDAY
Partly cloudy with patchy fog in the morning... Becoming sunny. Highs 90 to 98. Light winds becoming west 10 mph in the afternoon.
SATURDAY NIGHT
Mostly clear. Lows 56 to 63. Areas of winds west to 10 mph in the evening becoming light.
SUNDAY
Patchy fog in the morning. Mostly sunny. Highs 92 to 100. Light winds becoming west 10 mph in the afternoon.
SUNDAY NIGHT
Mostly clear. Lows 57 to 64. Areas of winds west to 10 mph in the evening becoming light.
MONDAY
Patchy fog in the morning. Mostly sunny. Highs 93 to 100.
MONDAY NIGHT
Mostly clear. Lows 56 to 62.
TUESDAY
Patchy fog in the morning. Mostly sunny. Highs 89 to 97.
TUESDAY NIGHT
Mostly clear. Lows 53 to 60.
WEDNESDAY
Patchy fog in the morning. Mostly sunny. Highs 87 to 94.
WEDNESDAY NIGHT
Mostly clear. Lows 52 to 60.
THURSDAY
Mostly sunny. Highs 87 to 95.
THURSDAY NIGHT
Mostly clear. Lows 54 to 62.

Visible Weather Satellite
ONTARIO, CA 91758
Infrared Weather Satellite
ONTARIO, CA 91758
NEXRAD Weather Radar
ONTARIO, CA 91758

ONTARIO, CA 3 hourly weather forecast

weather forecast created  5:00 PM PDT  7/11/2025
Saturday
12 JUL 2025
ONTARIO, CA 91758 weather forecast Day 1, 0 hours 11 PM 68° 68° Clear 0%

0% Thunder
( 0% severe)
WSW   7 73% 59°
Low 62° ONTARIO, CA 91758 weather forecast Day 1, 3 hours 2 AM 65° 65° Partly Cloudy WSW   5 81% 59°
High 91° ONTARIO, CA 91758 weather forecast Day 1, 6 hours 5 AM 63° 64° Partly Cloudy 0%

0% Thunder
( 0% severe)
SW   3 90% 60°

Decreasing Clouds



ONTARIO, CA 91758 weather forecast Day 1, 9 hours 8 AM 65° 65° Mostly Cloudy S   2 87% 61°
ONTARIO, CA 91758 weather forecast Day 1, 12 hours 11 AM 77° 79° Clear 0%

0% Thunder
( 0% severe)
SW   5 56% 60°
ONTARIO, CA 91758 weather forecast Day 1, 15 hours 2 PM 88° 87° Clear WSW   9 36% 58°
ONTARIO, CA 91758 weather forecast Day 1, 18 hours 5 PM 88° 87° Clear 0%

0% Thunder
( 0% severe)
WSW   12 35% 57°
ONTARIO, CA 91758 weather forecast Day 1, 21 hours 8 PM 77° 79° Clear WSW   10 54% 59°
Sunday
13 JUL 2025
ONTARIO, CA 91758 weather forecast Day 2, 0 hours 11 PM 69° 69° Clear 0%

0% Thunder
( 0% severe)
WSW   7 73% 60°
Low 63° ONTARIO, CA 91758 weather forecast Day 2, 3 hours 2 AM 65° 65° Partly Cloudy WSW   5 84% 60°
High 92° ONTARIO, CA 91758 weather forecast Day 2, 6 hours 5 AM 63° 64° Partly Cloudy 0%

0% Thunder
( 0% severe)
W   2 90% 60°

Partly Cloudy



ONTARIO, CA 91758 weather forecast Day 2, 9 hours 8 AM 66° 66° Partly Cloudy SW   1 84% 61°
ONTARIO, CA 91758 weather forecast Day 2, 12 hours 11 AM 78° 80° Clear 0%

0% Thunder
( 0% severe)
SW   5 56% 61°
ONTARIO, CA 91758 weather forecast Day 2, 15 hours 2 PM 89° 88° Clear WSW   9 35% 58°
ONTARIO, CA 91758 weather forecast Day 2, 18 hours 5 PM 90° 89° Clear 0%

0% Thunder
( 0% severe)
WSW   12 34% 58°
ONTARIO, CA 91758 weather forecast Day 2, 21 hours 8 PM 79° 80° Clear WSW   9 50% 59°

ONTARIO, CA extended weather forecast

BAD DAY
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Low 64° Low 64° Low 64° Low 64° Low 62°
High 92° High 93° High 88° High 88° High 89°
ONTARIO, CA 91758 weather forecast Day 3 ONTARIO, CA 91758 weather forecast Day 4 ONTARIO, CA 91758 weather forecast Day 5 ONTARIO, CA 91758 weather forecast Day 6 ONTARIO, CA 91758 weather forecast Day 7
Partly Cloudy
1% Rain
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
1% Rain
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