ONTARIO, CA 91758 Weather Forecast & Current Conditions

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ONTARIO, CA
Current Weather

4:53 AM PST FEB 4, 2026
Clear
75°F
Feels Like: 75°F
Dewpoint: 18°F
Rel. Hum.: 11%
Visibility: 10 miles
Wind: ENE at 12 mph, gusts to 22
Pressure: 30.15 inches
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ONTARIO, CA 91758
Weather Forecast

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Snow Depth pages
TODAY
Sunny. Areas of blowing dust this afternoon. Highs 80 to 86. Areas of winds east 15 to 25 mph. Gusts to 40 mph...becoming 45 mph this afternoon.
TONIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 50 to 54 in wind sheltered areas to 52 to 59 in warmer locations. Areas of winds east 15 to 25 mph. Gusts to 40 mph... Becoming 45 mph overnight.
THURSDAY
Areas of blowing dust in the morning. Partly cloudy. Highs 75 to 81. Areas of winds east 15 to 25 mph. Gusts to 45 mph...becoming 40 mph in the afternoon.
THURSDAY NIGHT
Mostly cloudy with a slight chance of showers. Lows around 50 in wind sheltered areas to 50 to 57 in warmer locations. Areas of winds southeast 10 to 15 mph with gusts to 25 mph in the evening becoming light. Chance of measurable precipitation 20 percent.
FRIDAY
Mostly cloudy in the morning...becoming partly cloudy. Highs 70 to 75. Light winds becoming southwest 10 to 15 mph in the afternoon.
FRIDAY NIGHT
Partly cloudy. Lows 44 to 52.
SATURDAY
Mostly sunny. Highs 72 to 78.
SATURDAY NIGHT
Mostly clear. Lows 46 to 53.
SUNDAY
Mostly sunny. Highs 75 to 80.
SUNDAY NIGHT
Mostly clear. Lows 45 to 53.
MONDAY
Partly cloudy. Highs 70 to 75.
MONDAY NIGHT
Partly cloudy. A slight chance of showers overnight. Lows 42 to 50.
TUESDAY
Partly cloudy. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs 61 to 67.

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  4:00 PM PST  2/ 3/2026
Wednesday
4 FEB 2026
ONTARIO, CA 91758 weather forecast Day 1, 0 hours 10 PM 66° 66° Clear 0%

0% Thunder
( 0% severe)
NNE   8 27% 31°
Low 58° ONTARIO, CA 91758 weather forecast Day 1, 3 hours 1 AM 61° 60° Clear NE   8 28% 28°
High 84° ONTARIO, CA 91758 weather forecast Day 1, 6 hours 4 AM 59° 58° Clear 0%

0% Thunder
( 0% severe)
N   7 30% 28°

Clear



ONTARIO, CA 91758 weather forecast Day 1, 9 hours 7 AM 59° 58° Clear NE   7 30% 28°
ONTARIO, CA 91758 weather forecast Day 1, 12 hours 10 AM 75° 75° Clear 0%

0% Thunder
( 0% severe)
NE   8 18% 29°
ONTARIO, CA 91758 weather forecast Day 1, 15 hours 1 PM 83° 80° Clear NNE   10 13% 27°
ONTARIO, CA 91758 weather forecast Day 1, 18 hours 4 PM 83° 80° Clear 0%

0% Thunder
( 0% severe)
NNE   12 13% 27°
ONTARIO, CA 91758 weather forecast Day 1, 21 hours 7 PM 72° 72° Clear NNE   12 19% 28°
Thursday
5 FEB 2026
ONTARIO, CA 91758 weather forecast Day 2, 0 hours 10 PM 66° 66° Partly Cloudy 0%

0% Thunder
( 0% severe)
NNE   9 26% 30°
Low 54° ONTARIO, CA 91758 weather forecast Day 2, 3 hours 1 AM 61° 60° Partly Cloudy N   8 29% 29°
High 80° ONTARIO, CA 91758 weather forecast Day 2, 6 hours 4 AM 59° 58° Partly Cloudy 0%

0% Thunder
( 0% severe)
NNE   6 33% 30°

Partly Cloudy



ONTARIO, CA 91758 weather forecast Day 2, 9 hours 7 AM 57° 57° Mostly Cloudy NE   5 37% 31°
ONTARIO, CA 91758 weather forecast Day 2, 12 hours 10 AM 69° 69° Partly Cloudy 0%

0% Thunder
( 0% severe)
E   5 25% 32°
ONTARIO, CA 91758 weather forecast Day 2, 15 hours 1 PM 78° 77° Partly Cloudy SSE   7 17% 30°
ONTARIO, CA 91758 weather forecast Day 2, 18 hours 4 PM 77° 77° Mostly Cloudy 2%

0% Thunder
( 0% severe)
S   8 19% 32°
ONTARIO, CA 91758 weather forecast Day 2, 21 hours 7 PM 68° 68° Mostly Cloudy SW   5 32% 37°

ONTARIO, CA extended weather forecast

Friday
6 FEB 2026
Saturday
7 FEB 2026
Sunday
8 FEB 2026
Monday
9 FEB 2026
Tuesday
10 FEB 2026
Low 54° Low 50° Low 51° Low 50° Low 51°
High 72° High 76° High 78° High 75° High 68°
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
Overcast
21% Rain
Partly Cloudy
5% Rain
Clear
2% Rain
Partly Cloudy
5% Rain
Mostly Cloudy
15% Rain
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