ONTARIO, CA 91758 Weather Forecast & Current Conditions

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91758 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
ONTARIO, CA Current Weather
8:53 PM PDT SEP 15, 2026
Clear 70°F
Feels Like:	70°F
Dewpoint:	59°F
Rel. Hum.:	68%
Visibility:	10 miles
Wind:	WSW at 9 mph
Pressure:	29.92 inches
Last 72 hours
Local Area Snow Depth
California Current Weather
California MOS Forecast Weather

Regional Weather Maps

(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 this evening...becoming mostly cloudy. Lows 52 to 60. Areas of winds southwest 10 mph this evening becoming light.

WEDNESDAY
Mostly cloudy in the morning...becoming mostly sunny. Highs 81 to 86. Light winds becoming southwest 10 mph in the afternoon.

WEDNESDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 52 to 60. Areas of winds southwest 10 mph in the evening becoming light.

THURSDAY
Partly cloudy in the morning...becoming sunny. Highs 81 to 86. Light winds becoming west 10 mph in the afternoon.

THURSDAY NIGHT
Mostly clear. Lows 53 to 60. Areas of winds west 10 mph in the evening becoming light.

FRIDAY
Mostly sunny. Highs 84 to 89.

FRIDAY NIGHT
Clear. Lows 54 to 62.

SATURDAY
Sunny. Highs 87 to 92.

SATURDAY NIGHT
Mostly clear. Lows 55 to 63.

SUNDAY
Partly cloudy. Highs 85 to 90.

SUNDAY NIGHT
Mostly clear. Lows 54 to 61.

MONDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 83 to 88.

MONDAY NIGHT
Mostly clear. Lows 54 to 61.

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 AM PDT 9/15/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Tuesday
15 SEP 2026

11 AM

75°

75°

Clear

1%

0% Thunder
( 1% severe)

SW 3

55%

58°

High 83°

2 PM

82°

81°

Clear

WSW 8

38%

54°

Clear

5 PM

81°

81°

Clear

1%

0% Thunder
( 0% severe)

WSW 13

44%

57°

8 PM

73°

73°

Clear

WSW 10

62%

59°

Wednesday
16 SEP 2026

11 PM

68°

68°

Partly Cloudy

1%

0% Thunder
( 0% severe)

W 9

73%

59°

Low 62°

2 AM

65°

65°

Partly Cloudy

W 8

84%

60°

High 83°

5 AM

63°

64°

Partly Cloudy

1%

0% Thunder
( 0% severe)

W 5

90%

60°

Decreasing Clouds

8 AM

64°

65°

Mostly Cloudy

SW 3

87%

60°

11 AM

72°

72°

Clear

0%

0% Thunder
( 0% severe)

CALM

61%

58°

2 PM

79°

79°

Clear

WSW 7

42%

54°

5 PM

79°

80°

Clear

1%

0% Thunder
( 0% severe)

WSW 12

47%

57°

8 PM

72°

72°

Partly Cloudy

WSW 10

61%

58°

Thursday
17 SEP 2026

11 PM

67°

67°

Partly Cloudy

1%

0% Thunder
( 0% severe)

WSW 9

75%

59°

Low 62°

2 AM

64°

64°

Partly Cloudy

WSW 8

87%

60°

High 84°

5 AM

62°

63°

Partly Cloudy

0%

0% Thunder
( 0% severe)

WSW 3

93%

60°

Partly Cloudy

8 AM

63°

64°

Partly Cloudy

SW 1

90%

60°

11 AM

72°

72°

Clear

0%

0% Thunder
( 0% severe)

SW 3

61%

58°

2 PM

80°

80°

Clear

WSW 6

41%

54°

5 PM

80°

80°

Clear

WSW 12

44%

56°


ONTARIO, CA extended weather forecast
Friday 18 SEP 2026	Saturday 19 SEP 2026	Sunday 20 SEP 2026	Monday 21 SEP 2026	Tuesday 22 SEP 2026
Low 59°	Low 60°	Low 61°	Low 64°	Low 64°
High 86°	High 87°	High 86°	High 85°	High 83°

Clear 5% Rain	Clear 2% Rain	Partly Cloudy 2% Rain	Partly Cloudy 5% Rain	Clear 5% Rain

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