ONTARIO, CA 91758 Weather Forecast & Current Conditions

Local Weather
- Local weather by ZIP or City
- Local area snow depth
- CURRENT WEATHER MAPS
- - Fronts & Pressure Centers
- - Current U.S. Temperatures
- - Northwest U.S.
- - Northeast U.S.
- - Mid-Atlantic U.S.
- - Midwest U.S.
- - Central Plains U.S.
- - Southeast U.S.
- - Southern Plains U.S.
- - Southwest U.S.
- - Alaska
10 Day Forecasts
Other Forecasts
- Snowstorm Forecast
- U.S. 6-hourly Snowfall Forecast
- 3 DAY NAM MODEL FORECASTS
- - Clouds & Precipitation
- - Temperature
- 7 DAY NWS FORECASTS
- - Weather Type
- - Precip. Probability
- - High Temperatures
- - Low Temperatures
- - Cloud Cover
- - Wind
- - Relative Humidity
- - Dewpoint
- - Snowfall
- SEASONAL FORECASTS
- - Temperature
- - Precipitation
Severe Weather
Radar
- U.S. RADAR (NWS interactive)
- U.S. RADAR (by state)
Satellite

91758 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
ONTARIO, CA Current Weather
11:53 AM PDT AUG 16, 2025
Few Clouds 73°F
Feels Like:	73°F
Dewpoint:	59°F
Rel. Hum.:	62%
Visibility:	8 miles
Wind:	SSW at 5 mph
Pressure:	30.04 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

TODAY
Partly cloudy with patchy fog this morning...becoming sunny. Highs 83 to 90. Light winds becoming west 10 to 15 mph with gusts to 25 mph this afternoon.

TONIGHT
Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 54 to 61. Areas of winds west 10 to 15 mph with gusts to 25 mph in the evening becoming light.

SUNDAY
Partly cloudy with patchy fog in the morning...becoming sunny. Highs 85 to 92. Light winds becoming west 10 to 15 mph with gusts to 25 mph in the afternoon.

SUNDAY NIGHT
Mostly clear. Lows 56 to 61. Areas of winds west 10 to 15 mph with gusts to 25 mph in the evening becoming light.

MONDAY
Mostly sunny. Highs 89 to 96. Light winds becoming west 10 to 15 mph with gusts to 25 mph in the afternoon.

MONDAY NIGHT
Clear. Lows 57 to 63.

TUESDAY
Sunny. Highs 90 to 96.

TUESDAY NIGHT
Mostly clear. Lows 61 to 66.

WEDNESDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 93 to 100.

WEDNESDAY NIGHT
Mostly clear. Lows 65 to 70.

THURSDAY
Mostly sunny. Highs 97 to 104.

THURSDAY NIGHT
Mostly clear. Lows 68 to 73.

FRIDAY
Mostly sunny. Highs 97 to 105.

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 8/16/2025

DAY/DATE &
WEATHER FORECAST SUMMARY

Saturday
16 AUG 2025

11 AM

71°

71°

Clear

1%

0% Thunder
( 1% severe)

SW 6

71%

61°

High 83°

2 PM

82°

82°

Clear

WSW 9

44%

58°

Clear

5 PM

82°

82°

Clear

0%

0% Thunder
( 0% severe)

WSW 12

46%

59°

8 PM

73°

73°

Clear

WSW 9

64%

60°

Sunday
17 AUG 2025

11 PM

67°

67°

Clear

0%

0% Thunder
( 0% severe)

WSW 7

81%

61°

Low 61°

2 AM

64°

65°

Partly Cloudy

W 5

90%

61°

High 88°

5 AM

63°

64°

Partly Cloudy

1%

0% Thunder
( 0% severe)

WSW 2

93%

61°

Decreasing Clouds

8 AM

64°

66°

Mostly Cloudy

SSW 1

93%

62°

11 AM

74°

74°

Clear

0%

0% Thunder
( 0% severe)

WSW 5

66%

62°

2 PM

85°

85°

Clear

WSW 9

41%

59°

5 PM

85°

85°

Clear

0%

0% Thunder
( 0% severe)

WSW 12

43%

60°

8 PM

76°

78°

Clear

WSW 8

60%

61°

Monday
18 AUG 2025

11 PM

69°

69°

Clear

0%

0% Thunder
( 0% severe)

WSW 5

76%

61°

Low 63°

2 AM

66°

66°

Clear

W 3

84%

61°

High 92°

5 AM

64°

65°

Partly Cloudy

0%

0% Thunder
( 0% severe)

NNW 3

87%

60°

Partly Cloudy

8 AM

66°

66°

Partly Cloudy

NW 1

84%

61°

11 AM

78°

79°

Clear

0%

0% Thunder
( 0% severe)

SW 5

54%

60°

2 PM

89°

87°

Clear

WSW 9

32%

55°

5 PM

89°

88°

Clear

WSW 12

34%

57°


ONTARIO, CA extended weather forecast
Tuesday 19 AUG 2025	Wednesday 20 AUG 2025	Thursday 21 AUG 2025	Friday 22 AUG 2025	Saturday 23 AUG 2025
Low 68°	Low 69°	Low 70°	Low 72°	Low 71°
High 97°	High 101°	High 102°	High 101°	High 98°

Clear	Clear	Clear	Clear 1% Rain	Clear 2% Rain

WEATHER SELECT BOX EXAMPLES:

for LOCAL WEATHER:
SNOW DEPTH:
LOCAL WEATHER RADAR:
STATE WEATHER MAP:

Ontario, CA
Ontario, CA snow
Ontario, CA radar
CA map

-or-
-or-
-or-

91758
91758 snow
91758 radar

-or-
-or-

CA
CA snow

Copyright © 2024 WeatherStreet.com

Put our free WeatherStreet weather lookup on your web page.

Terms & Conditions
This is not clickable - please e-mail us separately

This is not clickable - please e-mail us separately