ONTARIO, CA 91758 Weather Forecast & Current Conditions

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91758 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
ONTARIO, CA Current Weather
10:53 PM PDT OCT 30, 2026
Broken Clouds 63°F
Feels Like:	63°F
Dewpoint:	55°F
Rel. Hum.:	75%
Visibility:	10 miles
Wind:	Calm
Pressure:	29.93 inches
Last 72 hours
Local Area Snow Depth
California Current Weather
California MOS Forecast Weather

Weather Map

(Automated weather data from NWS/FAA)

91758 WEATHER FORECAST
10-Day model forecast maps 2026 Hurricanes	ONTARIO, CA 91758 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TONIGHT
Partly cloudy. A slight chance of showers this evening. Lows 49 to 55. Areas of winds south to 10 mph this evening becoming light. Chance of measurable precipitation 20 percent.

SATURDAY
Mostly cloudy in the morning...becoming cloudy. Highs 67 to 72. Light winds.

SATURDAY NIGHT
Cloudy. A chance of rain in the evening, then rain likely overnight. Lows 54 to 59. Light winds. Chance of measurable precipitation 70 percent.

SUNDAY
Rain in the morning, then showers in the afternoon. Highs 63 to 70. Light winds.

SUNDAY NIGHT
Partly cloudy. A slight chance of showers in the evening. Lows 49 to 54. Light winds. Chance of measurable precipitation 20 percent.

MONDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 71 to 76.

MONDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 50 to 55.

TUESDAY
Mostly sunny. Highs 72 to 77.

TUESDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 50 to 55.

WEDNESDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 70 to 75.

WEDNESDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 49 to 53.

THURSDAY
Partly cloudy. Highs 68 to 73.

THURSDAY NIGHT
Partly cloudy. Lows 49 to 54.

91758 WEATHER SATELLITE LOOPS

Visible Weather Satellite
ONTARIO, CA 91758

Infrared Weather Satellite
ONTARIO, CA 91758

91758 WEATHER RADAR LOOP

NEXRAD Weather Radar
ONTARIO, CA 91758

MOS COMPUTER WEATHER FORECAST

ONTARIO, CA 3 hourly weather forecast

weather forecast created 4:00 PM PST 10/30/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Saturday
31 OCT 2026

10 PM

61°

60°

Mostly Cloudy

7%

0% Thunder
( 0% severe)

W 7

87%

57°

Low 56°

1 AM

58°

57°

Mostly Cloudy

NNE 7

96%

57°

High 70°

4 AM

57°

57°

Mostly Cloudy

2%

0% Thunder
( 0% severe)

NE 5

96%

56°

Mostly Cloudy

7 AM

57°

57°

Mostly Cloudy

NE 5

93%

55°

10 AM

64°

66°

Mostly Cloudy

12%
RAIN
<.01 in

0% Thunder
( 0% severe)

CALM

70%

54°

1 PM

68°

68°

Mostly Cloudy

CALM

54%

51°

4 PM

68°

68°

Overcast

42%
RAIN
.01–.1 in

0% Thunder
( 4% severe)

CALM

59%

53°

7 PM

65°

65°

Overcast

WSW 3

73%

56°

Sunday
1 NOV 2026

10 PM

63°

62°

Overcast

68%
RAIN
***

0% Thunder
( 2% severe)

W 9

87%

59°

Low 59°

1 AM

61°

61°

Overcast

NNW 5

97%

60°

High 69°

4 AM

60°

60°

Overcast

64%
RAIN
***

0% Thunder
( 1% severe)

WNW 5

100%

60°

Decreasing Clouds

Rain Likely

7 AM

60°

61°

Overcast

SE 3

100%

60°

10 AM

63°

64°

Mostly Cloudy

23%
RAIN
.1–.25 in

0% Thunder
( 3% severe)

S 3

87%

59°

1 PM

66°

66°

Partly Cloudy

SW 6

68%

55°

4 PM

67°

67°

Partly Cloudy

9%

0% Thunder
( 1% severe)

WSW 8

68%

56°

7 PM

63°

64°

Partly Cloudy

SW 5

78%

56°


ONTARIO, CA extended weather forecast
Monday 2 NOV 2026	Tuesday 3 NOV 2026	Wednesday 4 NOV 2026	Thursday 5 NOV 2026	Friday 6 NOV 2026
Low 51°	Low 53°	Low 51°	Low 52°	Low 53°
High 74°	High 78°	High 75°	High 74°	High 80°

Partly Cloudy 6% Rain	Partly Cloudy 3% Rain	Partly Cloudy 5% Rain	Partly Cloudy 11% Rain	Partly Cloudy 12% Rain

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