ONTARIO, CA 91761 Weather Forecast & Current Conditions

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ONTARIO, CA
Current Weather

12:53 AM PDT APR 29, 2025
Clear
55°F
Feels Like: 55°F
Dewpoint: 48°F
Rel. Hum.: 77%
Visibility: 10 miles
Wind: Calm
Pressure: 30.06 inches
Last 72 hours

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ONTARIO, CA 91761
Weather Forecast

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Snow Depth pages
TONIGHT
Mostly clear. Lows 45 to 51. Areas of winds southwest 10 to 15 mph with gusts to 25 mph this evening becoming light.
TUESDAY
Mostly sunny. Warmer. Highs 78 to 83. Light winds becoming west 10 to 15 mph with gusts to 30 mph in the afternoon.
TUESDAY NIGHT
Mostly clear. Patchy fog overnight. Lows 45 to 53. Areas of winds west 10 to 15 mph with gusts to 25 mph in the evening becoming light.
WEDNESDAY
Patchy fog in the morning. Partly cloudy. Highs 75 to 79. Areas of winds west to 10 mph becoming southwest with gusts to 25 mph in the afternoon.
WEDNESDAY NIGHT
Partly cloudy. Patchy fog overnight. Lows 46 to 52. Areas of winds west 10 to 15 mph with gusts to 25 mph in the evening becoming light.
THURSDAY
Mostly cloudy with patchy fog in the morning... Becoming partly cloudy. Highs 73 to 77.
THURSDAY NIGHT
Partly cloudy. Lows 46 to 53.
FRIDAY
Partly cloudy with patchy fog in the morning...becoming mostly sunny. Highs 76 to 81.
FRIDAY NIGHT
Mostly clear in the evening...becoming mostly cloudy. Lows 46 to 53.
SATURDAY
Partly cloudy. Highs 69 to 73.
SATURDAY NIGHT
Partly cloudy in the evening...becoming cloudy. A slight chance of showers. Colder. Lows 39 to 48.
SUNDAY
Cloudy in the morning...becoming partly cloudy. A slight chance of showers. Highs 58 to 64.
SUNDAY NIGHT
Partly cloudy in the evening...becoming mostly cloudy. Lows 39 to 47.

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  5:00 PM PDT  4/28/2025
Tuesday
29 APR 2025
ONTARIO, CA 91761 weather forecast Day 1, 0 hours 11 PM 57° 57° Clear 0%

0% Thunder
( 0% severe)
WSW   3 75% 49°
Low 52° ONTARIO, CA 91761 weather forecast Day 1, 3 hours 2 AM 54° 54° Clear NW   2 83% 49°
High 79° ONTARIO, CA 91761 weather forecast Day 1, 6 hours 5 AM 53° 53° Clear 0%

0% Thunder
( 0% severe)
N   1 83% 48°

Clear



ONTARIO, CA 91761 weather forecast Day 1, 9 hours 8 AM 57° 58° Clear WSW   1 77% 50°
ONTARIO, CA 91761 weather forecast Day 1, 12 hours 11 AM 68° 68° Clear 1%

0% Thunder
( 0% severe)
WSW   5 51% 49°
ONTARIO, CA 91761 weather forecast Day 1, 15 hours 2 PM 77° 78° Clear W   12 36% 48°
ONTARIO, CA 91761 weather forecast Day 1, 18 hours 5 PM 76° 78° Partly Cloudy 2%

0% Thunder
( 0% severe)
WSW   14 40% 50°
ONTARIO, CA 91761 weather forecast Day 1, 21 hours 8 PM 67° 67° Clear WSW   8 54% 50°
Wednesday
30 APR 2025
ONTARIO, CA 91761 weather forecast Day 2, 0 hours 11 PM 61° 61° Clear 0%

0% Thunder
( 0% severe)
W   5 72% 52°
Low 54° ONTARIO, CA 91761 weather forecast Day 2, 3 hours 2 AM 58° 59° Clear W   1 80% 52°
High 76° ONTARIO, CA 91761 weather forecast Day 2, 6 hours 5 AM 55° 55° Partly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 90% 52°

Partly Cloudy



ONTARIO, CA 91761 weather forecast Day 2, 9 hours 8 AM 58° 59° Partly Cloudy   CALM 80% 52°
ONTARIO, CA 91761 weather forecast Day 2, 12 hours 11 AM 67° 67° Partly Cloudy 0%

0% Thunder
( 0% severe)
SW   3 56% 51°
ONTARIO, CA 91761 weather forecast Day 2, 15 hours 2 PM 74° 74° Partly Cloudy WSW   10 41% 49°
ONTARIO, CA 91761 weather forecast Day 2, 18 hours 5 PM 73° 73° Mostly Cloudy 0%

0% Thunder
( 0% severe)
WSW   13 43% 49°
ONTARIO, CA 91761 weather forecast Day 2, 21 hours 8 PM 64° 64° Partly Cloudy WSW   9 58% 49°

ONTARIO, CA extended weather forecast

Thursday
1 MAY 2025
Friday
2 MAY 2025
Saturday
3 MAY 2025
Sunday
4 MAY 2025
Monday
5 MAY 2025
Low 56° Low 56° Low 57° Low 51° Low 49°
High 76° High 73° High 69° High 57° High 66°
ONTARIO, CA 91761 weather forecast Day 3 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
Mostly Cloudy
7% Rain
Partly Cloudy
4% Rain
Overcast
19% Rain
Overcast
47% Rain
Mostly Cloudy
41% Rain
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