ONTARIO, CA 91758 Weather Forecast & Current Conditions

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91758 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
ONTARIO, CA Current Weather
9:53 PM PDT JUL 19, 2026
Clear 79°F
Feels Like:	80°F
Dewpoint:	59°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 2025 Hurricanes	ONTARIO, CA 91758 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TONIGHT
Mostly clear this evening...becoming partly cloudy. Lows 62 to 67. Areas of winds west 10 to 15 mph with gusts to 25 mph this evening becoming light.

MONDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 91 to 98. Light winds becoming west 10 to 15 mph with gusts to 25 mph in the afternoon.

MONDAY NIGHT
Mostly clear. Lows 63 to 67. Areas of winds west 10 to 15 mph in the evening becoming light.

TUESDAY
Mostly sunny. Highs 91 to 98. Areas of winds south to 10 mph becoming southwest with gusts to 25 mph in the afternoon.

TUESDAY NIGHT
Mostly clear. Lows 63 to 67. Areas of winds southwest 10 to 15 mph in the evening becoming light.

WEDNESDAY
Mostly sunny. Highs 93 to 101.

WEDNESDAY NIGHT
Mostly clear. Lows 64 to 70.

THURSDAY
Mostly sunny. Highs 98 to 105.

THURSDAY NIGHT
Mostly clear. Lows 65 to 71.

FRIDAY
Mostly sunny in the morning...becoming partly cloudy. Highs 96 to 103.

FRIDAY NIGHT
Mostly clear. A slight chance of showers in the evening. Lows 64 to 69.

SATURDAY
Mostly sunny. Highs 97 to 104.

SATURDAY NIGHT
Mostly clear. Lows 65 to 70.

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 7/19/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Monday
20 JUL 2026

11 PM

75°

75°

Clear

1%

0% Thunder
( 1% severe)

W 9

58%

59°

Low 68°

2 AM

72°

72°

Partly Cloudy

WSW 6

66%

60°

High 94°

5 AM

69°

69°

Partly Cloudy

2%

0% Thunder
( 0% severe)

SW 3

73%

60°

Partly Cloudy

8 AM

71°

71°

Partly Cloudy

CALM

68%

60°

11 AM

83°

82°

Mostly Cloudy

3%

0% Thunder
( 1% severe)

SW 3

41%

57°

2 PM

90°

88°

Partly Cloudy

WSW 10

30%

54°

5 PM

90°

88°

Partly Cloudy

4%

0% Thunder
( 0% severe)

WSW 13

28%

53°

8 PM

83°

82°

Partly Cloudy

WSW 9

34%

52°

Tuesday
21 JUL 2026

11 PM

76°

78°

Partly Cloudy

2%

0% Thunder
( 2% severe)

WSW 6

46%

54°

Low 68°

2 AM

72°

72°

Clear

WSW 5

57%

56°

High 95°

5 AM

70°

70°

Clear

0%

0% Thunder
( 1% severe)

W 3

63%

57°

Partly Cloudy

8 AM

72°

72°

Partly Cloudy

CALM

59%

57°

11 AM

83°

82°

Partly Cloudy

0%

0% Thunder
( 2% severe)

SW 5

38%

55°

2 PM

91°

90°

Partly Cloudy

WSW 9

32%

57°

5 PM

91°

90°

Clear

0%

0% Thunder
( 0% severe)

WSW 13

32%

57°

8 PM

83°

83°

Clear

WSW 9

44%

59°


ONTARIO, CA extended weather forecast
BAD DAY BAD DATE	BAD DAY BAD DATE	BAD DAY BAD DATE	BAD DAY BAD DATE	BAD DAY BAD DATE
Low 70°	Low 70°	Low 71°	Low 72°	Low 71°
High 98°	High 100°	High 104°	High 100°	High 99°

Partly Cloudy	Partly Cloudy 1% Rain	Partly Cloudy 1% Rain	Partly Cloudy 5% Rain	Partly Cloudy 9% Rain

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