ONTARIO, CA 91758 Weather Forecast & Current Conditions

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ONTARIO, CA
Current Weather

6:53 PM PDT JUN 7, 2026
Few Clouds
73°F
Feels Like: 73°F
Dewpoint: 55°F
Rel. Hum.: 53%
Visibility: 10 miles
Wind: WSW at 13 mph, gusts to 21
Pressure: 29.79 inches
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ONTARIO, CA 91758
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Mostly clear this evening...becoming partly cloudy. Lows 50 to 56. Areas of winds southwest 10 to 15 mph with gusts to 25 mph this evening becoming light.
MONDAY
Partly cloudy with patchy fog in the morning...becoming mostly sunny. Highs 81 to 87. Areas of winds west to 10 mph... Becoming 10 to 15 mph with gusts to 25 mph in the afternoon.
MONDAY NIGHT
Partly cloudy in the evening...becoming mostly clear. Lows 52 to 57. Areas of winds west 10 to 15 mph with gusts to 25 mph in the evening becoming light.
TUESDAY
Mostly sunny. Highs 85 to 91. Light winds becoming west 10 to 15 mph in the afternoon.
TUESDAY NIGHT
Clear. Lows 55 to 60. Areas of winds west to 10 mph in the evening becoming light.
WEDNESDAY
Mostly sunny. Highs 88 to 96.
WEDNESDAY NIGHT
Clear. Lows 59 to 63.
THURSDAY
Mostly sunny. Highs 89 to 97.
THURSDAY NIGHT
Mostly clear. Lows 62 to 66.
FRIDAY
Mostly sunny. Highs 91 to 98.
FRIDAY NIGHT
Mostly clear. Lows 62 to 66.
SATURDAY
Mostly sunny. Highs 90 to 97.
SATURDAY NIGHT
Clear. Lows 59 to 63.

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 AM PDT  6/ 7/2026
Sunday
7 JUN 2026
ONTARIO, CA 91758 weather forecast Day 1, 12 hours 11 AM 70° 70° Clear 0%

0% Thunder
( 0% severe)
WSW   6 59% 55°
High 79° ONTARIO, CA 91758 weather forecast Day 1, 15 hours 2 PM 78° 79° Clear WSW   12 43% 54°
Clear



ONTARIO, CA 91758 weather forecast Day 1, 18 hours 5 PM 78° 79° Clear 0%

0% Thunder
( 0% severe)
WSW   13 43% 54°
ONTARIO, CA 91758 weather forecast Day 1, 21 hours 8 PM 70° 70° Clear WSW   13 59% 55°
Monday
8 JUN 2026
ONTARIO, CA 91758 weather forecast Day 2, 0 hours 11 PM 63° 62° Clear 0%

0% Thunder
( 0% severe)
WSW   9 75% 55°
Low 57° ONTARIO, CA 91758 weather forecast Day 2, 3 hours 2 AM 60° 60° Partly Cloudy W   5 84% 55°
High 83° ONTARIO, CA 91758 weather forecast Day 2, 6 hours 5 AM 58° 59° Mostly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 87% 54°

Decreasing Clouds



ONTARIO, CA 91758 weather forecast Day 2, 9 hours 8 AM 61° 62° Mostly Cloudy   CALM 81% 55°
ONTARIO, CA 91758 weather forecast Day 2, 12 hours 11 AM 71° 71° Clear 0%

0% Thunder
( 0% severe)
SW   6 57% 55°
ONTARIO, CA 91758 weather forecast Day 2, 15 hours 2 PM 79° 79° Partly Cloudy WSW   12 41% 53°
ONTARIO, CA 91758 weather forecast Day 2, 18 hours 5 PM 79° 79° Mostly Cloudy 0%

0% Thunder
( 0% severe)
WSW   14 41% 53°
ONTARIO, CA 91758 weather forecast Day 2, 21 hours 8 PM 71° 71° Partly Cloudy WSW   12 55% 54°
Tuesday
9 JUN 2026
ONTARIO, CA 91758 weather forecast Day 3, 0 hours 11 PM 64° 64° Clear 0%

0% Thunder
( 0% severe)
WSW   7 70% 54°
Low 58° ONTARIO, CA 91758 weather forecast Day 3, 3 hours 2 AM 61° 62° Clear WSW   3 78% 54°
High 85° ONTARIO, CA 91758 weather forecast Day 3, 6 hours 5 AM 59° 60° Clear 0%

0% Thunder
( 0% severe)
  CALM 83% 54°

Clear



ONTARIO, CA 91758 weather forecast Day 3, 9 hours 8 AM 62° 63° Partly Cloudy   CALM 75% 54°
ONTARIO, CA 91758 weather forecast Day 3, 15 hours 11 AM 73° 73° Clear 0%

0% Thunder
( 0% severe)
SW   6 53% 55°
ONTARIO, CA 91758 weather forecast Day 3, 18 hours 2 PM 81° 81° Clear WSW   10 41% 55°
ONTARIO, CA 91758 weather forecast Day 3, 21 hours 5 PM 82° 81° Clear     WSW   12 40% 55°

ONTARIO, CA extended weather forecast

Wednesday
10 JUN 2026
Thursday
11 JUN 2026
Friday
12 JUN 2026
Saturday
13 JUN 2026
Sunday
14 JUN 2026
Low 62° Low 63° Low 64° Low 65° Low 66°
High 84° High 91° High 92° High 91° High 91°
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 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Partly Cloudy
Partly Cloudy
Partly Cloudy
4% Rain
Partly Cloudy
2% Rain
Partly Cloudy
3% Rain
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