ONTARIO, CA 91758 Weather Forecast & Current Conditions

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91758 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
ONTARIO, CA Current Weather
7:53 PM PDT MAR 15, 2026
Few Clouds 77°F
Feels Like:	78°F
Dewpoint:	54°F
Rel. Hum.:	45%
Visibility:	10 miles
Wind:	WSW at 7 mph
Pressure:	29.94 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 2025 Hurricanes	ONTARIO, CA 91758 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TONIGHT
Mostly clear. Lows 51 to 54 in wind sheltered areas to 55 to 65 in warmer locations. Areas of winds north 10 to 15 mph with gusts to 30 mph becoming east with gusts to 25 mph overnight.

MONDAY
Mostly sunny. Highs 90 to 96. Areas of winds north 10 to 20 mph with gusts to 35 mph.

MONDAY NIGHT
Mostly clear. Lows 53 to 56 in wind sheltered areas to 58 to 68 in warmer locations. Areas of winds east 10 to 15 mph. Gusts to 30 mph...becoming 25 mph overnight.

TUESDAY
Mostly sunny. Hot. Highs 94 to 100. Areas of winds east to 10 mph with gusts to 30 mph becoming west with gusts to 25 mph in the afternoon.

TUESDAY NIGHT
Mostly clear. Lows 55 to 59 in wind sheltered areas to 60 to 70 in warmer locations. Areas of winds west 10 to 15 mph with gusts to 25 mph in the evening becoming light.

WEDNESDAY
Sunny, hot. Highs 96 to 102.

WEDNESDAY NIGHT
Mostly clear. Lows 57 to 67.

THURSDAY
Sunny, hot. Highs 98 to 104.

THURSDAY NIGHT
Clear. Lows 59 to 69.

FRIDAY
Sunny, hot. Highs 99 to 105.

FRIDAY NIGHT
Clear. Lows 58 to 68.

SATURDAY
Mostly sunny. Hot. Highs 94 to 100.

SATURDAY NIGHT
Partly cloudy. Lows 54 to 64.

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 AM PST 3/15/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Sunday
15 MAR 2026

10 AM

73°

73°

Clear

0%

0% Thunder
( 0% severe)

WNW 3

40%

47°

High 89°

1 PM

86°

83°

Clear

WNW 8

22%

43°

Clear

4 PM

88°

84°

Clear

0%

0% Thunder
( 0% severe)

WNW 9

19%

41°

7 PM

76°

78°

Clear

W 6

36%

47°

Monday
16 MAR 2026

10 PM

68°

68°

Clear

0%

0% Thunder
( 0% severe)

WNW 3

45%

46°

Low 60°

1 AM

64°

66°

Clear

N 2

52%

46°

High 93°

4 AM

63°

64°

Clear

0%

0% Thunder
( 0% severe)

N 1

50%

44°

Clear

7 AM

64°

66°

Partly Cloudy

NE 2

45%

42°

10 AM

81°

79°

Clear

0%

0% Thunder
( 0% severe)

NNE 3

22%

39°

1 PM

91°

87°

Clear

N 8

14%

36°

4 PM

91°

87°

Clear

0%

0% Thunder
( 0% severe)

NW 9

15%

37°

7 PM

80°

79°

Partly Cloudy

W 5

26%

42°

Tuesday
17 MAR 2026

10 PM

73°

73°

Clear

0%

0% Thunder
( 0% severe)

NNE 2

35%

44°

Low 63°

1 AM

68°

68°

Clear

NNE 2

42%

44°

High 96°

4 AM

66°

66°

Clear

0%

0% Thunder
( 0% severe)

NNE 1

43%

43°

Clear

7 AM

67°

67°

Clear

NNE 1

42%

43°

10 AM

84°

81°

Clear

0%

0% Thunder
( 0% severe)

ENE 1

23%

42°

1 PM

95°

91°

Clear

WSW 6

14%

39°

4 PM

94°

90°

Partly Cloudy

WSW 9

15%

40°


ONTARIO, CA extended weather forecast
Wednesday 18 MAR 2026	Thursday 19 MAR 2026	Friday 20 MAR 2026	Saturday 21 MAR 2026	Sunday 22 MAR 2026
Low 63°	Low 61°	Low 62°	Low 63°	Low 59°
High 98°	High 100°	High 100°	High 90°	High 81°

Clear 1% Rain	Clear 2% Rain	Clear 2% Rain	Partly Cloudy 4% Rain	Mostly Cloudy 7% Rain

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