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Hazardous Weather Conditions

No active alerts for DIAMOND BAR, CALIFORNIA

Current Conditions: DIAMOND BAR, CALIFORNIA

Clear


87.8 F
Last Updated on Feb 28 2026, 03:45 PM PST
Humidity: 27%
Wind Speed: 9.2 mph
Barometer: 29.86 in
Dewpoint: 50.0 F
Visibility: 10.00 mi
Precip: --
Heat Index: 85.1 F
Wind Chill: NA
Current conditions at:

EL MONTE (KEMT)

Lat: 34.08 Lon: -118.03

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5 Day Forecast for DIAMOND BAR, CALIFORNIA (91765)

Saturday
Forecast Missing
High 84 °F
Saturday
Night
Clear
Low 57 °F
Sunday
Clear
High 82 °F
Sunday
Night
Mostly Cloudy
Low 51 °F
Monday
Sunny
High 71 °F
Monday
Night
Overnight Fog
Low 50 °F
Tuesday
Mostly Sunny
High 75 °F
Tuesday
Night
Mostly Clear
Low 53 °F
Wednesday
Mostly Sunny
High 75 °F



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Observation History for DIAMOND BAR, CALIFORNIA


Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
03:45 PM PST 9.2 10.00 Clear -- 87.8 50.0 27% NA 85.1 29.86 1011.2
02:45 PM PST 8.1 10.00 Clear -- 87.8 % NA NA 29.88 1011.9
01:45 PM PST 9.2 10.00 Clear -- 87.8 51.8 29% NA 85.5 29.89 1012.2
12:45 PM PST S 8.1 10.00 Clear -- 84.2 51.8 33% NA 82.4 29.91 1012.9
08:45 AM PST 0.0 10.00 Clear -- 73.4 50.0 44% NA 72.5 29.94 1013.6
07:45 AM PST 0.0 10.00 Clear -- 64.4 50.0 60% NA NA 29.94 1013.6
06:45 PM PST SW 5.8 10.00 Clear -- 80.6 51.8 37% NA 80.1 29.88 1011.9

Regional Weather Observation

EL MONTE (KEMT)

Clear
87.8 F

LOS ALAMITOS AAF (KSLI)

Clear
61.7 F

LA VERNE/BRACKET (KPOC)

Clear
84.2 F

(KCQT)


F

UPLAND (KCCB)

Clear
71.6 F

LONG BEACH (KLGB)

Clear
66.2 F

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