MT BALDY, CA 91759 Weather Forecast & Current Conditions

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ONTARIO, CA
Current Weather

9:53 AM PDT MAY 23, 2026
Overcast
63°F
Feels Like: 64°F
Dewpoint: 54°F
Rel. Hum.: 72%
Visibility: 9 miles
Wind: Variable at 3 mph
Pressure: 29.98 inches
Last 72 hours

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MT BALDY, CA 91759
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Mostly sunny. Highs 61 to 71 above 6000 feet to 70 to 79 below 6000 feet. Areas of winds south 10 to 20 mph. Gusts to 25 mph...becoming 35 mph this afternoon.
TONIGHT
Mostly clear. Lows 38 to 48 above 6000 feet to 46 to 56 below 6000 feet. Areas of winds south 10 to 20 mph. Gusts to 30 mph in the evening.
SUNDAY
Mostly sunny. Highs 64 to 74 above 6000 feet to 73 to 81 below 6000 feet. Areas of winds east 10 to 15 mph with gusts to 25 mph becoming south 10 to 20 mph with gusts to 30 mph in the afternoon.
SUNDAY NIGHT
Mostly clear. Lows 37 to 47 above 6000 feet to 45 to 55 below 6000 feet. Areas of winds west 10 to 20 mph with gusts to 30 mph...becoming to 10 mph overnight.
MEMORIAL DAY
Mostly sunny. Highs 61 to 71 above 6000 feet to 67 to 77 below 6000 feet. Areas of winds south to 10 mph... Becoming 10 to 20 mph with gusts to 30 mph in the afternoon.
MONDAY NIGHT
Mostly clear. Lows 40 to 50.
TUESDAY
Mostly sunny. Highs 58 to 68 above 6000 feet to 62 to 72 below 6000 feet.
TUESDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Breezy, colder. Lows 35 to 45.
WEDNESDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 51 to 61 above 6000 feet to 56 to 66 below 6000 feet.
WEDNESDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 32 to 42.
THURSDAY
Mostly sunny. Highs 52 to 62 above 6000 feet to 58 to 68 below 6000 feet.
THURSDAY NIGHT
Mostly clear. Lows 34 to 44.
FRIDAY
Mostly sunny. Warmer. Highs 58 to 68 above 6000 feet to 66 to 74 below 6000 feet.

Visible Weather Satellite
MT BALDY, CA 91759
Infrared Weather Satellite
MT BALDY, CA 91759
NEXRAD Weather Radar
MT BALDY, CA 91759

ONTARIO, CA 3 hourly weather forecast

weather forecast created  5:00 AM PDT  5/23/2026
Saturday
23 MAY 2026
MT BALDY, CA 91759 weather forecast Day 1, 12 hours 11 AM 70° 70° Partly Cloudy 0%

0% Thunder
( 0% severe)
SW   7 61% 56°
High 79° MT BALDY, CA 91759 weather forecast Day 1, 15 hours 2 PM 78° 79° Clear WSW   12 43% 54°
Clear



MT BALDY, CA 91759 weather forecast Day 1, 18 hours 5 PM 77° 79° Clear 0%

0% Thunder
( 0% severe)
WSW   14 47% 55°
MT BALDY, CA 91759 weather forecast Day 1, 21 hours 8 PM 69° 69° Clear WSW   14 61% 55°
Sunday
24 MAY 2026
MT BALDY, CA 91759 weather forecast Day 2, 0 hours 11 PM 62° 61° Partly Cloudy 0%

0% Thunder
( 0% severe)
WSW   10 81% 56°
Low 56° MT BALDY, CA 91759 weather forecast Day 2, 3 hours 2 AM 59° 60° Partly Cloudy WSW   3 90% 56°
High 80° MT BALDY, CA 91759 weather forecast Day 2, 6 hours 5 AM 58° 59° Mostly Cloudy 1%

0% Thunder
( 0% severe)
  CALM 90% 55°

Decreasing Clouds



MT BALDY, CA 91759 weather forecast Day 2, 9 hours 8 AM 60° 61° Mostly Cloudy   CALM 90% 57°
MT BALDY, CA 91759 weather forecast Day 2, 12 hours 11 AM 69° 69° Clear 1%

0% Thunder
( 0% severe)
WSW   10 63% 56°
MT BALDY, CA 91759 weather forecast Day 2, 15 hours 2 PM 77° 78° Clear WSW   13 43% 53°
MT BALDY, CA 91759 weather forecast Day 2, 18 hours 5 PM 76° 78° Clear 0%

0% Thunder
( 0% severe)
WSW   14 46% 54°
MT BALDY, CA 91759 weather forecast Day 2, 21 hours 8 PM 68° 68° Partly Cloudy WSW   13 61% 54°
Monday
25 MAY 2026
MT BALDY, CA 91759 weather forecast Day 3, 0 hours 11 PM 62° 61° Partly Cloudy 0%

0% Thunder
( 0% severe)
WSW   10 78% 55°
Low 56° MT BALDY, CA 91759 weather forecast Day 3, 3 hours 2 AM 59° 59° Partly Cloudy WSW   5 90% 56°
High 77° MT BALDY, CA 91759 weather forecast Day 3, 6 hours 5 AM 57° 58° Mostly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 96% 56°

Decreasing Clouds



MT BALDY, CA 91759 weather forecast Day 3, 9 hours 8 AM 59° 60° Mostly Cloudy   CALM 93% 57°
MT BALDY, CA 91759 weather forecast Day 3, 15 hours 11 AM 67° 67° Partly Cloudy 0%

0% Thunder
( 0% severe)
SW   7 65% 55°
MT BALDY, CA 91759 weather forecast Day 3, 18 hours 2 PM 75° 75° Clear WSW   13 46% 53°
MT BALDY, CA 91759 weather forecast Day 3, 21 hours 5 PM 73° 73° Clear     WSW   14 49% 53°

ONTARIO, CA extended weather forecast

Tuesday
26 MAY 2026
Wednesday
27 MAY 2026
Thursday
28 MAY 2026
Friday
29 MAY 2026
Saturday
30 MAY 2026
Low 58° Low 57° Low 57° Low 58° Low 61°
High 74° High 76° High 77° High 82° High 80°
MT BALDY, CA 91759 weather forecast Day 4 MT BALDY, CA 91759 weather forecast Day 5 MT BALDY, CA 91759 weather forecast Day 6 MT BALDY, CA 91759 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Partly Cloudy
10% Rain
Mostly Cloudy
16% Rain
Partly Cloudy
12% Rain
Partly Cloudy
5% Rain
Mostly Cloudy
12% Rain
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