MONTCLAIR, CA 91763 Weather Forecast & Current Conditions

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ONTARIO, CA
Current Weather

8:53 PM PDT JUN 26, 2026
Clear
68°F
Feels Like: 68°F
Dewpoint: 55°F
Rel. Hum.: 63%
Visibility: 10 miles
Wind: WSW at 12 mph
Pressure: 29.93 inches
Last 72 hours

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MONTCLAIR, CA 91763
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Mostly clear this evening...becoming partly cloudy. Patchy fog overnight. Lows 52 to 57. Areas of winds west 10 to 15 mph with gusts to 25 mph this evening becoming light.
SATURDAY
Partly cloudy with patchy drizzle in the morning, then sunny in the afternoon. Highs 77 to 83. Areas of winds south to 10 mph becoming southwest with gusts to 30 mph in the afternoon.
SATURDAY NIGHT
Mostly clear in the evening, then mostly cloudy with patchy fog and drizzle overnight. Lows 51 to 57. Areas of winds south 10 to 15 mph. Gusts to 30 mph in the evening.
SUNDAY
Mostly cloudy with patchy fog and drizzle in the morning, then mostly sunny in the afternoon. Highs 72 to 79. Areas of winds south 10 to 15 mph. Gusts to 25 mph in the afternoon.
SUNDAY NIGHT
Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 50 to 56. Areas of winds southwest 10 to 15 mph with gusts to 25 mph becoming south overnight.
MONDAY
Partly cloudy with patchy fog in the morning...becoming mostly sunny. Highs 76 to 82.
MONDAY NIGHT
Mostly clear. Lows 50 to 56.
TUESDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 76 to 82.
TUESDAY NIGHT
Mostly clear. Lows 50 to 56.
WEDNESDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 77 to 83.
WEDNESDAY NIGHT
Clear. Lows 50 to 56.
THURSDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 80 to 87.
THURSDAY NIGHT
Mostly clear. Lows 52 to 58.

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  6/26/2026
Friday
26 JUN 2026
MONTCLAIR, CA 91763 weather forecast Day 1, 12 hours 11 AM 71° 71° Clear 0%

0% Thunder
( 0% severe)
SW   6 55% 54°
High 81° MONTCLAIR, CA 91763 weather forecast Day 1, 15 hours 2 PM 80° 80° Clear WSW   13 36% 51°
Clear



MONTCLAIR, CA 91763 weather forecast Day 1, 18 hours 5 PM 79° 79° Clear 0%

0% Thunder
( 0% severe)
WSW   14 38% 51°
MONTCLAIR, CA 91763 weather forecast Day 1, 21 hours 8 PM 71° 71° Clear WSW   14 53% 53°
Saturday
27 JUN 2026
MONTCLAIR, CA 91763 weather forecast Day 2, 0 hours 11 PM 64° 63° Partly Cloudy 0%

0% Thunder
( 0% severe)
WSW   12 73% 55°
Low 58° MONTCLAIR, CA 91763 weather forecast Day 2, 3 hours 2 AM 61° 60° Partly Cloudy W   7 84% 56°
High 80° MONTCLAIR, CA 91763 weather forecast Day 2, 6 hours 5 AM 59° 59° Mostly Cloudy 0%

0% Thunder
( 0% severe)
WSW   5 93% 57°

Decreasing Clouds



MONTCLAIR, CA 91763 weather forecast Day 2, 9 hours 8 AM 61° 62° Mostly Cloudy S   2 87% 57°
MONTCLAIR, CA 91763 weather forecast Day 2, 12 hours 11 AM 69° 69° Clear 0%

0% Thunder
( 0% severe)
SW   6 63% 56°
MONTCLAIR, CA 91763 weather forecast Day 2, 15 hours 2 PM 76° 78° Clear WSW   14 52% 57°
MONTCLAIR, CA 91763 weather forecast Day 2, 18 hours 5 PM 76° 78° Clear 0%

0% Thunder
( 0% severe)
WSW   16 54% 58°
MONTCLAIR, CA 91763 weather forecast Day 2, 21 hours 8 PM 68° 68° Partly Cloudy SW   17 73% 59°
Sunday
28 JUN 2026
MONTCLAIR, CA 91763 weather forecast Day 3, 0 hours 11 PM 63° 61° Mostly Cloudy 7%

0% Thunder
( 0% severe)
SW   14 84% 58°
Low 58° MONTCLAIR, CA 91763 weather forecast Day 3, 3 hours 2 AM 60° 58° Mostly Cloudy SW   10 93% 58°
High 76° MONTCLAIR, CA 91763 weather forecast Day 3, 6 hours 5 AM 59° 58° Mostly Cloudy 3%

0% Thunder
( 0% severe)
SSW   7 96% 58°

Decreasing Clouds



MONTCLAIR, CA 91763 weather forecast Day 3, 9 hours 8 AM 59° 58° Mostly Cloudy SSE   6 93% 57°
MONTCLAIR, CA 91763 weather forecast Day 3, 15 hours 11 AM 64° 65° Partly Cloudy 0%

0% Thunder
( 0% severe)
SSW   5 70% 54°
MONTCLAIR, CA 91763 weather forecast Day 3, 18 hours 2 PM 72° 72° Clear SW   12 49% 52°
MONTCLAIR, CA 91763 weather forecast Day 3, 21 hours 5 PM 73° 73° Clear     WSW   14 51% 54°

ONTARIO, CA extended weather forecast

Monday
29 JUN 2026
Tuesday
30 JUN 2026
Wednesday
1 JUL 2026
Thursday
2 JUL 2026
Friday
3 JUL 2026
Low 60° Low 61° Low 61° Low 61° Low 62°
High 82° High 82° High 83° High 88° High 89°
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
7% Rain
Partly Cloudy
3% Rain
Partly Cloudy
6% Rain
Partly Cloudy
2% Rain
Partly Cloudy
5% Rain
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