SAN DIMAS, CA 91773 Weather Forecast & Current Conditions

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ONTARIO, CA
Current Weather

8:53 PM PDT JUN 17, 2025
Clear
79°F
Feels Like: 79°F
Dewpoint: 52°F
Rel. Hum.: 39%
Visibility: 10 miles
Wind: WSW at 8 mph
Pressure: 29.81 inches
Last 72 hours

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SAN DIMAS, CA 91773
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
REST OF TONIGHT
Mostly clear. Lows in the lower 60s.
WEDNESDAY
Sunny. Highs in the upper 80s to mid 90s.
WEDNESDAY NIGHT
Clear in the evening then low clouds and fog. Lows in the upper 50s to mid 60s.
JUNETEENTH
Low clouds and fog in the morning then sunny. Highs in the mid 80s.
THURSDAY NIGHT
Clear in the evening then low clouds and fog. Lows in the lower 60s.
FRIDAY
Low clouds and fog in the morning then sunny. Highs in the lower to mid 80s.
FRIDAY NIGHT
Clear in the evening then low clouds and fog. Lows in the mid 50s to around 60.
SATURDAY
Low clouds and fog in the morning then sunny. Highs in the mid 70s to around 80.
SATURDAY NIGHT
Mostly clear. Lows in the mid 50s to around 60.
SUNDAY
Partly cloudy in the morning then sunny. Highs in the mid 70s to around 80.
SUNDAY NIGHT
Clear in the evening then low clouds and fog. Lows in the mid 50s to around 60.
MONDAY
Low clouds and fog in the morning then sunny. Highs around 80.
MONDAY NIGHT
Mostly clear in the evening then low clouds and fog. Lows in the mid 50s to around 60.

Visible Weather Satellite
SAN DIMAS, CA 91773
Infrared Weather Satellite
SAN DIMAS, CA 91773
NEXRAD Weather Radar
SAN DIMAS, CA 91773

ONTARIO, CA 3 hourly weather forecast

weather forecast created  5:00 PM PDT  6/17/2025
Wednesday
18 JUN 2025
SAN DIMAS, CA 91773 weather forecast Day 1, 0 hours 11 PM 73° 73° Clear 0%

0% Thunder
( 0% severe)
W   5 48% 52°
Low 65° SAN DIMAS, CA 91773 weather forecast Day 1, 3 hours 2 AM 69° 69° Clear WNW   2 55% 52°
High 96° SAN DIMAS, CA 91773 weather forecast Day 1, 6 hours 5 AM 66° 66° Clear 0%

0% Thunder
( 0% severe)
ENE   1 61% 52°

Clear



SAN DIMAS, CA 91773 weather forecast Day 1, 9 hours 8 AM 71° 71° Clear SE   1 53% 53°
SAN DIMAS, CA 91773 weather forecast Day 1, 12 hours 11 AM 83° 82° Clear 0%

0% Thunder
( 0% severe)
SW   6 34% 52°
SAN DIMAS, CA 91773 weather forecast Day 1, 15 hours 2 PM 93° 90° Clear WSW   10 25% 52°
SAN DIMAS, CA 91773 weather forecast Day 1, 18 hours 5 PM 93° 90° Clear 0%

0% Thunder
( 0% severe)
WSW   12 24% 51°
SAN DIMAS, CA 91773 weather forecast Day 1, 21 hours 8 PM 80° 80° Clear WSW   9 41% 54°
Thursday
19 JUN 2025
SAN DIMAS, CA 91773 weather forecast Day 2, 0 hours 11 PM 71° 71° Clear 0%

0% Thunder
( 0% severe)
W   6 57% 55°
Low 64° SAN DIMAS, CA 91773 weather forecast Day 2, 3 hours 2 AM 67° 67° Clear W   3 68% 56°
High 92° SAN DIMAS, CA 91773 weather forecast Day 2, 6 hours 5 AM 64° 66° Partly Cloudy 0%

0% Thunder
( 0% severe)
WSW   2 78% 57°

Partly Cloudy



SAN DIMAS, CA 91773 weather forecast Day 2, 9 hours 8 AM 68° 68° Partly Cloudy SW   1 70% 58°
SAN DIMAS, CA 91773 weather forecast Day 2, 12 hours 11 AM 78° 79° Clear 0%

0% Thunder
( 0% severe)
SW   6 47% 56°
SAN DIMAS, CA 91773 weather forecast Day 2, 15 hours 2 PM 89° 87° Clear WSW   10 29% 53°
SAN DIMAS, CA 91773 weather forecast Day 2, 18 hours 5 PM 88° 86° Clear 0%

0% Thunder
( 0% severe)
WSW   13 30% 53°
SAN DIMAS, CA 91773 weather forecast Day 2, 21 hours 8 PM 77° 79° Clear WSW   12 48% 56°

ONTARIO, CA extended weather forecast

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Low 63° Low 62° Low 63° Low 60° Low 61°
High 89° High 85° High 82° High 82° High 83°
SAN DIMAS, CA 91773 weather forecast Day 3 SAN DIMAS, CA 91773 weather forecast Day 4 SAN DIMAS, CA 91773 weather forecast Day 5 SAN DIMAS, CA 91773 weather forecast Day 6 SAN DIMAS, CA 91773 weather forecast Day 7
Partly Cloudy
1% Rain
Partly Cloudy
6% Rain
Partly Cloudy
4% Rain
Partly Cloudy
9% Rain
Partly Cloudy
6% Rain
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