ONTARIO, CA 91758 Weather Forecast & Current Conditions

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91758 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
ONTARIO, CA Current Weather
11:53 PM PDT AUG 9, 2026
Broken Clouds 75°F
Feels Like:	75°F
Dewpoint:	55°F
Rel. Hum.:	50%
Visibility:	10 miles
Wind:	WSW at 9 mph
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

TODAY
Mostly sunny this morning...becoming partly cloudy. Highs 93 to 100. Areas of winds west to 10 mph...becoming 10 to 15 mph with gusts to 25 mph this afternoon.

TONIGHT
Partly cloudy in the evening...becoming mostly clear. Lows 63 to 68. Areas of winds west 10 to 15 mph with gusts to 25 mph in the evening becoming light.

TUESDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 90 to 97. Areas of winds west to 10 mph...becoming 10 to 15 mph with gusts to 25 mph in the afternoon.

TUESDAY NIGHT
Mostly clear. Lows 61 to 66. Areas of winds southwest 10 to 15 mph with gusts to 25 mph in the evening becoming light.

WEDNESDAY
Mostly sunny in the morning...becoming partly cloudy. Highs 87 to 93. Areas of winds southwest to 10 mph becoming west with gusts to 25 mph in the afternoon.

WEDNESDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 58 to 64.

THURSDAY
Patchy fog in the morning. Partly cloudy. Highs 84 to 90.

THURSDAY NIGHT
Partly cloudy. Lows 56 to 62.

FRIDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 84 to 91.

FRIDAY NIGHT
Mostly clear. Lows 57 to 62.

SATURDAY
Partly cloudy. Highs 86 to 92.

SATURDAY NIGHT
Partly cloudy. Lows 58 to 63.

SUNDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 88 to 95.

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 5:00 PM PDT 8/ 9/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Monday
10 AUG 2026

11 PM

77°

79°

Partly Cloudy

1%

0% Thunder
( 0% severe)

W 8

62%

63°

Low 70°

2 AM

73°

73°

Partly Cloudy

SW 3

71%

63°

High 95°

5 AM

71°

71°

Partly Cloudy

1%

0% Thunder
( 1% severe)

W 3

76%

63°

Partly Cloudy

8 AM

74°

74°

Partly Cloudy

WSW 3

71%

64°

11 AM

85°

86°

Clear

2%

0% Thunder
( 7% severe)

WSW 7

50%

64°

2 PM

93°

93°

Clear

WSW 12

33%

60°

5 PM

92°

91°

Partly Cloudy

2%

0% Thunder
( 3% severe)

WSW 13

33%

59°

8 PM

82°

83°

Partly Cloudy

WSW 12

49%

61°

Tuesday
11 AUG 2026

11 PM

75°

75°

Clear

1%

0% Thunder
( 1% severe)

WSW 9

66%

63°

Low 68°

2 AM

72°

72°

Clear

SW 6

73%

63°

High 93°

5 AM

69°

69°

Clear

1%

0% Thunder
( 3% severe)

W 3

84%

64°

Partly Cloudy

8 AM

71°

71°

Partly Cloudy

SSW 2

81%

65°

11 AM

81°

83°

Partly Cloudy

1%

0% Thunder
( 10% severe)

SW 6

56%

64°

2 PM

89°

88°

Partly Cloudy

WSW 10

37%

59°

5 PM

89°

88°

Clear

0%

0% Thunder
( 7% severe)

WSW 13

37%

59°

8 PM

81°

82°

Clear

WSW 12

51%

61°


ONTARIO, CA extended weather forecast
Wednesday 12 AUG 2026	Thursday 13 AUG 2026	Friday 14 AUG 2026	Saturday 15 AUG 2026	Sunday 16 AUG 2026
Low 68°	Low 67°	Low 65°	Low 63°	Low 67°
High 90°	High 85°	High 89°	High 92°	High 91°

Partly Cloudy 2% Rain	Partly Cloudy 1% Rain	Partly Cloudy 1% Rain	Partly Cloudy 3% Rain	Partly Cloudy 14% Rain

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