SAN DIMAS, CA 91773 Weather Forecast & Current Conditions

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ONTARIO, CA
Current Weather

9:53 AM PDT MAY 25, 2025
Overcast
63°F
Feels Like: 63°F
Dewpoint: 52°F
Rel. Hum.: 67%
Visibility: 10 miles
Wind: Calm
Pressure: 30.02 inches
Last 72 hours

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SAN DIMAS, CA 91773
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Low clouds and fog in the morning then sunny. Highs in the lower to mid 70s.
TONIGHT
Mostly clear in the evening then areas of low clouds and fog. Lows in the mid 50s.
MEMORIAL DAY
Areas of low clouds and fog in the morning then sunny. Highs in the mid to upper 70s.
MONDAY NIGHT
Mostly clear in the evening then areas of low clouds and fog. Lows in the upper 50s.
TUESDAY
Areas of low clouds and fog in the morning then sunny. Highs in the mid 70s to around 80.
TUESDAY NIGHT
Mostly clear except for patchy low clouds and fog after midnight. Lows in the mid to upper 50s.
WEDNESDAY
Areas of low clouds and fog in the morning then partly cloudy. Highs in the mid 70s to around 80.
WEDNESDAY NIGHT
Cloudy. Patchy fog after midnight. Lows around 60.
THURSDAY
Low clouds and fog in the morning then partly cloudy. Highs in the mid 70s to around 80.
THURSDAY NIGHT
Mostly clear except for patchy low clouds and fog after midnight. Lows around 60.
FRIDAY
Areas of low clouds and fog in the morning then sunny. Highs in the 80s.
FRIDAY NIGHT
Partly cloudy in the evening then low clouds and fog. Lows in the upper 50s to mid 60s.
SATURDAY
Low clouds and fog in the morning then partly cloudy. Highs in the upper 70s to mid 80s.

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 AM PDT  5/25/2025
Sunday
25 MAY 2025
SAN DIMAS, CA 91773 weather forecast Day 1, 12 hours 11 AM 66° 66° Partly Cloudy 0%

0% Thunder
( 0% severe)
WSW   6 63% 53°
High 76° SAN DIMAS, CA 91773 weather forecast Day 1, 15 hours 2 PM 75° 75° Clear WSW   10 46% 53°
Clear



SAN DIMAS, CA 91773 weather forecast Day 1, 18 hours 5 PM 75° 75° Clear 0%

0% Thunder
( 0% severe)
WSW   13 48% 54°
SAN DIMAS, CA 91773 weather forecast Day 1, 21 hours 8 PM 67° 67° Clear WSW   10 63% 54°
Monday
26 MAY 2025
SAN DIMAS, CA 91773 weather forecast Day 2, 0 hours 11 PM 61° 61° Clear 0%

0% Thunder
( 0% severe)
W   6 81% 55°
Low 57° SAN DIMAS, CA 91773 weather forecast Day 2, 3 hours 2 AM 59° 60° Partly Cloudy W   2 83% 54°
High 80° SAN DIMAS, CA 91773 weather forecast Day 2, 6 hours 5 AM 57° 58° Mostly Cloudy 0%

0% Thunder
( 0% severe)
WSW   1 90% 54°

Mostly Cloudy



SAN DIMAS, CA 91773 weather forecast Day 2, 9 hours 8 AM 60° 61° Mostly Cloudy SW   1 84% 55°
SAN DIMAS, CA 91773 weather forecast Day 2, 12 hours 11 AM 68° 68° Partly Cloudy 0%

0% Thunder
( 0% severe)
SW   6 61% 54°
SAN DIMAS, CA 91773 weather forecast Day 2, 15 hours 2 PM 77° 78° Partly Cloudy WSW   10 45% 54°
SAN DIMAS, CA 91773 weather forecast Day 2, 18 hours 5 PM 77° 78° Partly Cloudy 0%

0% Thunder
( 0% severe)
WSW   13 45% 54°
SAN DIMAS, CA 91773 weather forecast Day 2, 21 hours 8 PM 69° 69° Partly Cloudy WSW   10 61% 55°
Tuesday
27 MAY 2025
SAN DIMAS, CA 91773 weather forecast Day 3, 0 hours 11 PM 63° 63° Partly Cloudy 0%

0% Thunder
( 0% severe)
WSW   6 75% 55°
Low 58° SAN DIMAS, CA 91773 weather forecast Day 3, 3 hours 2 AM 60° 61° Partly Cloudy WSW   3 84% 55°
High 84° SAN DIMAS, CA 91773 weather forecast Day 3, 6 hours 5 AM 58° 59° Partly Cloudy 0%

0% Thunder
( 0% severe)
S   1 87% 54°

Partly Cloudy



SAN DIMAS, CA 91773 weather forecast Day 3, 9 hours 8 AM 62° 63° Partly Cloudy SSE   1 78% 55°
SAN DIMAS, CA 91773 weather forecast Day 3, 15 hours 11 AM 71° 71° Partly Cloudy 0%

0% Thunder
( 0% severe)
SSW   5 55% 54°
SAN DIMAS, CA 91773 weather forecast Day 3, 18 hours 2 PM 81° 80° Clear SW   12 37% 52°
SAN DIMAS, CA 91773 weather forecast Day 3, 21 hours 5 PM 80° 80° Clear     WSW   14 39% 53°

ONTARIO, CA extended weather forecast

Wednesday
28 MAY 2025
Thursday
29 MAY 2025
Friday
30 MAY 2025
Saturday
31 MAY 2025
Sunday
1 JUN 2025
Low 60° Low 61° Low 61° Low 62° Low 64°
High 81° High 84° High 92° High 88° High 83°
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 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Partly Cloudy
1% Rain
Partly Cloudy
1% Rain
Clear
Partly Cloudy
2% Rain
Mostly Cloudy
8% Rain
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