ONTARIO, CA 91761 Weather Forecast & Current Conditions

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ONTARIO, CA
Current Weather

11:53 AM PDT APR 1, 2026
Few Clouds
70°F
Feels Like: 70°F
Dewpoint: 46°F
Rel. Hum.: 42%
Visibility: 10 miles
Wind: SW at 10 mph, gusts to 17
Pressure: 30.00 inches
Last 72 hours

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ONTARIO, CA 91761
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Partly cloudy this evening...becoming mostly cloudy. Patchy fog. Lows 46 to 53. Areas of winds southwest 10 to 15 mph with gusts to 30 mph this evening becoming light.
THURSDAY
Mostly cloudy with patchy fog in the morning... Becoming partly cloudy. Highs 66 to 71. Areas of winds southwest to 10 mph...becoming 10 to 15 mph with gusts to 25 mph in the afternoon.
THURSDAY NIGHT
Partly cloudy. Patchy fog overnight. Lows 45 to 52. Areas of winds south 10 to 20 mph. Gusts to 25 mph...becoming 45 mph overnight.
FRIDAY
Mostly sunny in the morning...becoming partly cloudy. Warmer. Highs 76 to 81. Areas of winds north 20 to 30 mph. Gusts to 55 mph...becoming 50 mph in the afternoon.
FRIDAY NIGHT
Partly cloudy. Lows around 50 in wind sheltered areas to 50 to 57 in warmer locations. Areas of winds east 15 to 25 mph with gusts to 40 mph becoming north 10 to 20 mph with gusts to 35 mph overnight.
SATURDAY
Partly cloudy. Highs 80 to 85.
SATURDAY NIGHT
Partly cloudy in the evening...becoming mostly clear. Lows 47 to 55.
SUNDAY
Mostly sunny. Highs 79 to 84.
SUNDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 48 to 55.
MONDAY
Partly cloudy. Highs 76 to 82.
MONDAY NIGHT
Partly cloudy in the evening...becoming mostly clear. Lows 46 to 54.
TUESDAY
Mostly sunny. Highs 77 to 82.
TUESDAY NIGHT
Mostly clear. Lows 47 to 54.

Visible Weather Satellite
ONTARIO, CA 91761
Infrared Weather Satellite
ONTARIO, CA 91761
NEXRAD Weather Radar
ONTARIO, CA 91761

ONTARIO, CA 3 hourly weather forecast

weather forecast created  4:00 AM PST  4/ 1/2026
Wednesday
1 APR 2026
ONTARIO, CA 91761 weather forecast Day 1, 12 hours 10 AM 63° 63° Partly Cloudy 2%

0% Thunder
( 1% severe)
WSW   7 72% 54°
High 70° ONTARIO, CA 91761 weather forecast Day 1, 15 hours 1 PM 69° 69° Partly Cloudy WSW   13 51% 50°
Partly Cloudy



ONTARIO, CA 91761 weather forecast Day 1, 18 hours 4 PM 69° 69° Partly Cloudy 6%

0% Thunder
( 3% severe)
WSW   14 51% 50°
ONTARIO, CA 91761 weather forecast Day 1, 21 hours 7 PM 63° 62° Partly Cloudy WSW   10 65% 51°
Thursday
2 APR 2026
ONTARIO, CA 91761 weather forecast Day 2, 0 hours 10 PM 59° 58° Mostly Cloudy 10%
RAIN
<.01 in
0% Thunder
( 2% severe)
SW   6 80% 53°
Low 53° ONTARIO, CA 91761 weather forecast Day 2, 3 hours 1 AM 57° 57° Mostly Cloudy SW   3 86% 53°
High 70° ONTARIO, CA 91761 weather forecast Day 2, 6 hours 4 AM 56° 56° Mostly Cloudy 2%

0% Thunder
( 2% severe)
SW   1 90% 53°

Mostly Cloudy



ONTARIO, CA 91761 weather forecast Day 2, 9 hours 7 AM 55° 55° Mostly Cloudy   CALM 93% 53°
ONTARIO, CA 91761 weather forecast Day 2, 12 hours 10 AM 60° 61° Mostly Cloudy 2%

0% Thunder
( 0% severe)
SSW   3 72% 51°
ONTARIO, CA 91761 weather forecast Day 2, 15 hours 1 PM 67° 67° Partly Cloudy WSW   9 52% 49°
ONTARIO, CA 91761 weather forecast Day 2, 18 hours 4 PM 68° 68° Partly Cloudy 0%

0% Thunder
( 0% severe)
WSW   12 51% 49°
ONTARIO, CA 91761 weather forecast Day 2, 21 hours 7 PM 63° 63° Partly Cloudy SW   8 62% 50°
Friday
3 APR 2026
ONTARIO, CA 91761 weather forecast Day 3, 0 hours 10 PM 58° 58° Partly Cloudy 0%

0% Thunder
( 0% severe)
WSW   3 75% 50°
Low 52° ONTARIO, CA 91761 weather forecast Day 3, 3 hours 1 AM 56° 56° Partly Cloudy NE   2 80% 50°
High 80° ONTARIO, CA 91761 weather forecast Day 3, 6 hours 4 AM 55° 55° Partly Cloudy 0%

0% Thunder
( 0% severe)
NNE   2 69% 45°

Partly Cloudy



ONTARIO, CA 91761 weather forecast Day 3, 9 hours 7 AM 57° 55° Partly Cloudy NNE   8 49% 38°
ONTARIO, CA 91761 weather forecast Day 3, 15 hours 10 AM 68° 68° Partly Cloudy 0%

0% Thunder
( 0% severe)
NNE   14 24% 30°
ONTARIO, CA 91761 weather forecast Day 3, 18 hours 1 PM 77° 76° Mostly Cloudy NNE   14 14% 25°
ONTARIO, CA 91761 weather forecast Day 3, 21 hours 4 PM 79° 78° Partly Cloudy     NNE   12 13% 24°

ONTARIO, CA extended weather forecast

Saturday
4 APR 2026
Sunday
5 APR 2026
Monday
6 APR 2026
Tuesday
7 APR 2026
Wednesday
8 APR 2026
Low 54° Low 53° Low 55° Low 54° Low 54°
High 84° High 78° High 76° High 73° High 72°
ONTARIO, CA 91761 weather forecast Day 4 ONTARIO, CA 91761 weather forecast Day 5 ONTARIO, CA 91761 weather forecast Day 6 ONTARIO, CA 91761 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Partly Cloudy
2% Rain
Partly Cloudy
2% Rain
Partly Cloudy
4% Rain
Mostly Cloudy
12% Rain
Partly Cloudy
12% Rain
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