DIAMOND BAR, CA 91765 Weather Forecast & Current Conditions

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CHINO, CA
Current Weather

2:53 PM PDT MAY 29, 2026
Broken Clouds
72°F
Feels Like: 72°F
Dewpoint: 48°F
Rel. Hum.: 43%
Visibility: 10 miles
Wind: W at 12 mph
Pressure: 30.00 inches
Last 72 hours

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DIAMOND BAR, CA 91765
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Mostly clear in the evening then low clouds and fog. Lows in the mid 50s to around 60. Southwest winds around 15 mph in the evening.
SATURDAY
Low clouds and fog in the morning then sunny. Highs around 80.
SATURDAY NIGHT
Mostly clear. Lows around 60.
SUNDAY
Sunny. Highs in the mid 80s to around 90.
SUNDAY NIGHT
Mostly clear. Lows in the upper 50s to mid 60s.
MONDAY
Partly cloudy in the morning then sunny. Highs in the mid to upper 80s.
MONDAY NIGHT
Mostly clear. Lows around 60.
TUESDAY
Partly cloudy in the morning then sunny. Highs in the upper 70s to mid 80s.
TUESDAY NIGHT
Mostly clear. Lows in the mid to upper 50s.
WEDNESDAY
Partly cloudy in the morning then sunny. Highs in the upper 70s to mid 80s.
WEDNESDAY NIGHT
Mostly clear. Lows around 60.
THURSDAY
Partly cloudy in the morning then sunny. Highs in the lower to mid 80s.
THURSDAY NIGHT
Mostly clear. Lows around 60.

Visible Weather Satellite
DIAMOND BAR, CA 91765
Infrared Weather Satellite
DIAMOND BAR, CA 91765
NEXRAD Weather Radar
DIAMOND BAR, CA 91765

CHINO, CA 3 hourly weather forecast

weather forecast created  6:00 AM MDT  5/29/2026
Friday
29 MAY 2026
DIAMOND BAR, CA 91765 weather forecast Day 1, 12 hours 11 AM 65° 65° Partly Cloudy 0%

0% Thunder
( 1% severe)
WSW   6 56% 49°
High 72° DIAMOND BAR, CA 91765 weather forecast Day 1, 15 hours 2 PM 71° 71° Partly Cloudy WSW   12 44% 48°
Partly Cloudy



DIAMOND BAR, CA 91765 weather forecast Day 1, 18 hours 5 PM 70° 70° Clear 0%

0% Thunder
( 0% severe)
WSW   15 49% 50°
DIAMOND BAR, CA 91765 weather forecast Day 1, 21 hours 8 PM 63° 62° Clear WSW   13 65% 51°
Saturday
30 MAY 2026
DIAMOND BAR, CA 91765 weather forecast Day 2, 0 hours 11 PM 59° 59° Clear 0%

0% Thunder
( 0% severe)
W   5 78% 52°
Low 51° DIAMOND BAR, CA 91765 weather forecast Day 2, 3 hours 2 AM 56° 56° Clear   CALM 86% 52°
High 83° DIAMOND BAR, CA 91765 weather forecast Day 2, 6 hours 5 AM 54° 54° Clear 0%

0% Thunder
( 0% severe)
  CALM 93% 52°

Clear



DIAMOND BAR, CA 91765 weather forecast Day 2, 9 hours 8 AM 60° 61° Partly Cloudy   CALM 78% 53°
DIAMOND BAR, CA 91765 weather forecast Day 2, 12 hours 11 AM 71° 71° Clear 0%

0% Thunder
( 0% severe)
WSW   6 51% 52°
DIAMOND BAR, CA 91765 weather forecast Day 2, 15 hours 2 PM 79° 79° Clear WSW   12 41% 53°
DIAMOND BAR, CA 91765 weather forecast Day 2, 18 hours 5 PM 77° 78° Clear 0%

0% Thunder
( 0% severe)
WSW   14 45% 54°
DIAMOND BAR, CA 91765 weather forecast Day 2, 21 hours 8 PM 69° 69° Clear WSW   10 61% 55°
Sunday
31 MAY 2026
DIAMOND BAR, CA 91765 weather forecast Day 3, 0 hours 11 PM 63° 64° Clear 0%

0% Thunder
( 0% severe)
WSW   3 75% 55°
Low 56° DIAMOND BAR, CA 91765 weather forecast Day 3, 3 hours 2 AM 60° 61° Clear   CALM 81% 54°
High 90° DIAMOND BAR, CA 91765 weather forecast Day 3, 6 hours 5 AM 58° 59° Clear 0%

0% Thunder
( 0% severe)
  CALM 87% 54°

Clear



DIAMOND BAR, CA 91765 weather forecast Day 3, 9 hours 8 AM 64° 66° Partly Cloudy   CALM 70% 54°
DIAMOND BAR, CA 91765 weather forecast Day 3, 15 hours 11 AM 77° 78° Clear 0%

0% Thunder
( 0% severe)
WSW   6 45% 54°
DIAMOND BAR, CA 91765 weather forecast Day 3, 18 hours 2 PM 85° 83° Clear WSW   12 33% 53°
DIAMOND BAR, CA 91765 weather forecast Day 3, 21 hours 5 PM 84° 82° Clear     WSW   15 33% 52°

CHINO, CA extended weather forecast

Monday
1 JUN 2026
Tuesday
2 JUN 2026
Wednesday
3 JUN 2026
Thursday
4 JUN 2026
Friday
5 JUN 2026
Low 57° Low 57° Low 58° Low 57° Low 61°
High 86° High 90° High 88° High 87° High 86°
DIAMOND BAR, CA 91765 weather forecast Day 4 DIAMOND BAR, CA 91765 weather forecast Day 5 DIAMOND BAR, CA 91765 weather forecast Day 6 DIAMOND BAR, CA 91765 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Partly Cloudy
2% Rain
Partly Cloudy
1% Rain
Clear
Partly Cloudy
3% Rain
Mostly Cloudy
6% Rain
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