MONTCLAIR, CA 91763 Weather Forecast & Current Conditions

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ONTARIO, CA
Current Weather

9:53 AM PDT JUN 4, 2026
Clear
Haze
72°F
Feels Like: 72°F
Dewpoint: 57°F
Rel. Hum.: 59%
Visibility: 6 miles
Wind: W at 7 mph
Pressure: 29.89 inches
Last 72 hours

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MONTCLAIR, CA 91763
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Mostly sunny. Highs 88 to 96. Areas of winds west to 10 mph...becoming 10 to 15 mph with gusts to 25 mph this afternoon.
TONIGHT
Mostly clear. Lows 56 to 61. Areas of winds west 10 to 15 mph in the evening becoming light.
FRIDAY
Mostly sunny. Highs 87 to 96. Areas of winds west to 10 mph...becoming 10 to 15 mph with gusts to 25 mph in the afternoon.
FRIDAY NIGHT
Mostly clear. Lows 55 to 60. Areas of winds west 10 to 15 mph with gusts to 25 mph in the evening becoming light.
SATURDAY
Patchy fog in the morning. Partly cloudy. Highs 82 to 88. Areas of winds southwest to 10 mph...becoming 10 to 15 mph with gusts to 25 mph in the afternoon.
SATURDAY NIGHT
Partly cloudy. Lows 53 to 58.
SUNDAY
Partly cloudy with patchy fog in the morning...becoming mostly sunny. Highs 78 to 84.
SUNDAY NIGHT
Clear. Lows 50 to 56.
MONDAY
Mostly sunny. Highs 81 to 87.
MONDAY NIGHT
Mostly clear. Lows 51 to 57.
TUESDAY
Mostly sunny. Highs 82 to 88.
TUESDAY NIGHT
Mostly clear. Lows 53 to 58.
WEDNESDAY
Mostly sunny. Highs 82 to 88.

Visible Weather Satellite
MONTCLAIR, CA 91763
Infrared Weather Satellite
MONTCLAIR, CA 91763
NEXRAD Weather Radar
MONTCLAIR, CA 91763

ONTARIO, CA 3 hourly weather forecast

weather forecast created  5:00 AM PDT  6/ 4/2026
Thursday
4 JUN 2026
MONTCLAIR, CA 91763 weather forecast Day 1, 12 hours 11 AM 79° 79° Clear 0%

0% Thunder
( 0% severe)
SW   7 42% 54°
High 89° MONTCLAIR, CA 91763 weather forecast Day 1, 15 hours 2 PM 88° 86° Clear WSW   12 31% 54°
Clear



MONTCLAIR, CA 91763 weather forecast Day 1, 18 hours 5 PM 87° 85° Clear 0%

0% Thunder
( 0% severe)
WSW   13 32% 54°
MONTCLAIR, CA 91763 weather forecast Day 1, 21 hours 8 PM 77° 79° Clear WSW   12 52% 58°
Friday
5 JUN 2026
MONTCLAIR, CA 91763 weather forecast Day 2, 0 hours 11 PM 69° 69° Clear 0%

0% Thunder
( 0% severe)
W   6 68% 58°
Low 62° MONTCLAIR, CA 91763 weather forecast Day 2, 3 hours 2 AM 65° 65° Clear WSW   3 73% 56°
High 90° MONTCLAIR, CA 91763 weather forecast Day 2, 6 hours 5 AM 64° 66° Partly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 73% 55°

Partly Cloudy



MONTCLAIR, CA 91763 weather forecast Day 2, 9 hours 8 AM 67° 67° Partly Cloudy   CALM 65% 55°
MONTCLAIR, CA 91763 weather forecast Day 2, 12 hours 11 AM 80° 80° Clear 0%

0% Thunder
( 0% severe)
SW   7 39% 53°
MONTCLAIR, CA 91763 weather forecast Day 2, 15 hours 2 PM 86° 84° Clear WSW   13 32% 53°
MONTCLAIR, CA 91763 weather forecast Day 2, 18 hours 5 PM 85° 83° Clear 0%

0% Thunder
( 0% severe)
WSW   13 32% 52°
MONTCLAIR, CA 91763 weather forecast Day 2, 21 hours 8 PM 75° 75° Clear WSW   13 52% 56°
Saturday
6 JUN 2026
MONTCLAIR, CA 91763 weather forecast Day 3, 0 hours 11 PM 68° 68° Partly Cloudy 0%

0% Thunder
( 0% severe)
WSW   10 68% 57°
Low 61° MONTCLAIR, CA 91763 weather forecast Day 3, 3 hours 2 AM 64° 65° Partly Cloudy WSW   5 75% 56°
High 85° MONTCLAIR, CA 91763 weather forecast Day 3, 6 hours 5 AM 62° 63° Partly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 75% 54°

Mostly Cloudy



MONTCLAIR, CA 91763 weather forecast Day 3, 9 hours 8 AM 65° 65° Mostly Cloudy SW   2 70% 55°
MONTCLAIR, CA 91763 weather forecast Day 3, 15 hours 11 AM 75° 75° Mostly Cloudy 0%

0% Thunder
( 0% severe)
SW   8 48% 54°
MONTCLAIR, CA 91763 weather forecast Day 3, 18 hours 2 PM 81° 80° Partly Cloudy WSW   13 38% 53°
MONTCLAIR, CA 91763 weather forecast Day 3, 21 hours 5 PM 80° 80° Mostly Cloudy     WSW   14 38% 52°

ONTARIO, CA extended weather forecast

Sunday
7 JUN 2026
Monday
8 JUN 2026
Tuesday
9 JUN 2026
Wednesday
10 JUN 2026
Thursday
11 JUN 2026
Low 60° Low 60° Low 60° Low 63° Low 62°
High 86° High 85° High 85° High 83° High 84°
MONTCLAIR, CA 91763 weather forecast Day 4 MONTCLAIR, CA 91763 weather forecast Day 5 MONTCLAIR, CA 91763 weather forecast Day 6 MONTCLAIR, CA 91763 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Partly Cloudy
4% Rain
Partly Cloudy
3% Rain
Partly Cloudy
5% Rain
Partly Cloudy
11% Rain
Partly Cloudy
7% Rain
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