GLENDORA, CA 91740 Weather Forecast & Current Conditions

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ONTARIO, CA
Current Weather

6:53 AM PDT JUL 22, 2025
Overcast
64°F
Feels Like: 65°F
Dewpoint: 61°F
Rel. Hum.: 90%
Visibility: 8 miles
Wind: W at 5 mph
Pressure: 29.97 inches
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GLENDORA, CA 91740
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Sunny after morning low clouds and fog. Highs in the mid 70s to around 80.
TONIGHT
Low clouds and fog developing. Lows in the mid 50s to lower 60s.
WEDNESDAY
Sunny after morning low clouds and fog. Highs in the upper 70s to mid 80s.
WEDNESDAY NIGHT
Clear in the evening then low clouds and fog. Lows in the mid 50s to around 60.
THURSDAY
Sunny after morning low clouds and fog. Highs in the lower to mid 80s.
THURSDAY NIGHT
Clear in the evening then areas of low clouds and fog. Lows in the mid 50s to around 60.
FRIDAY
Sunny after morning low clouds and fog. Highs in the upper 70s to mid 80s.
FRIDAY NIGHT
Clear except for patchy low clouds and fog after midnight. Lows in the mid 50s to lower 60s.
SATURDAY
Sunny after morning low clouds and fog. Highs around 80.
SATURDAY NIGHT
Clear in the evening then areas of low clouds and fog. Lows in the mid 50s to around 60.
SUNDAY
Sunny after morning low clouds and fog. Highs in the lower to mid 80s.
SUNDAY NIGHT
Clear except for patchy low clouds and fog after midnight. Lows around 60.
MONDAY
Sunny except for patchy low clouds and fog in the morning. Highs in the mid 80s to around 90.

Visible Weather Satellite
GLENDORA, CA 91740
Infrared Weather Satellite
GLENDORA, CA 91740
NEXRAD Weather Radar
GLENDORA, CA 91740

ONTARIO, CA 3 hourly weather forecast

weather forecast created  5:00 PM PDT  7/21/2025
Tuesday
22 JUL 2025
GLENDORA, CA 91740 weather forecast Day 1, 0 hours 11 PM 65° 65° Partly Cloudy 0%

0% Thunder
( 0% severe)
WSW   10 81% 59°
Low 61° GLENDORA, CA 91740 weather forecast Day 1, 3 hours 2 AM 63° 63° Mostly Cloudy W   6 87% 59°
High 84° GLENDORA, CA 91740 weather forecast Day 1, 6 hours 5 AM 62° 63° Mostly Cloudy 1%

0% Thunder
( 0% severe)
WSW   3 90% 59°

Decreasing Clouds



GLENDORA, CA 91740 weather forecast Day 1, 9 hours 8 AM 63° 64° Mostly Cloudy SW   2 87% 59°
GLENDORA, CA 91740 weather forecast Day 1, 12 hours 11 AM 70° 70° Clear 0%

0% Thunder
( 0% severe)
SW   5 68% 59°
GLENDORA, CA 91740 weather forecast Day 1, 15 hours 2 PM 81° 81° Clear WSW   9 44% 57°
GLENDORA, CA 91740 weather forecast Day 1, 18 hours 5 PM 81° 81° Clear 0%

0% Thunder
( 0% severe)
WSW   13 44% 57°
GLENDORA, CA 91740 weather forecast Day 1, 21 hours 8 PM 72° 72° Clear WSW   12 61% 58°
Wednesday
23 JUL 2025
GLENDORA, CA 91740 weather forecast Day 2, 0 hours 11 PM 65° 65° Clear 0%

0% Thunder
( 0% severe)
WSW   8 78% 58°
Low 59° GLENDORA, CA 91740 weather forecast Day 2, 3 hours 2 AM 61° 61° Partly Cloudy W   5 90% 58°
High 87° GLENDORA, CA 91740 weather forecast Day 2, 6 hours 5 AM 60° 61° Partly Cloudy 0%

0% Thunder
( 0% severe)
WSW   2 93% 58°

Partly Cloudy



GLENDORA, CA 91740 weather forecast Day 2, 9 hours 8 AM 62° 63° Partly Cloudy S   1 90% 59°
GLENDORA, CA 91740 weather forecast Day 2, 12 hours 11 AM 73° 73° Clear 0%

0% Thunder
( 0% severe)
SW   5 57% 57°
GLENDORA, CA 91740 weather forecast Day 2, 15 hours 2 PM 84° 83° Clear WSW   9 36% 54°
GLENDORA, CA 91740 weather forecast Day 2, 18 hours 5 PM 84° 82° Clear 0%

0% Thunder
( 0% severe)
WSW   13 34% 53°
GLENDORA, CA 91740 weather forecast Day 2, 21 hours 8 PM 75° 75° Clear WSW   10 48% 54°

ONTARIO, CA extended weather forecast

BAD DAY
BAD DATE
BAD DAY
BAD DATE
BAD DAY
BAD DATE
BAD DAY
BAD DATE
BAD DAY
BAD DATE
Low 61° Low 62° Low 61° Low 64° Low 61°
High 89° High 93° High 91° High 90° High 92°
GLENDORA, CA 91740 weather forecast Day 3 GLENDORA, CA 91740 weather forecast Day 4 GLENDORA, CA 91740 weather forecast Day 5 GLENDORA, CA 91740 weather forecast Day 6 GLENDORA, CA 91740 weather forecast Day 7
Partly Cloudy
1% Rain
Clear
1% Rain
Clear
2% Rain
Clear
2% Rain
Clear
3% Rain
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