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Diamond Bar, CA Hourly Weather

Hourly forecast · Diamond Bar

The next 48 hours in detail — temperature, feels-like, precipitation chance, wind and UV for every hour. Built on NWS NBM and global model guidance.

48 hours — Diamond Bar

Today + 10-day →
Time Conditions Temp Precip Wind UV
Thursday 20/8
04:00
Sunny 67° 3 mph SW 0
05:00
Sunny 66° 3 mph SW 0
06:00
Sunny 65° 2 mph W 0
07:00
Sunny 66° 2 mph W 0
08:00
Sunny 73° 3 mph SW 1
09:00
Sunny 80° 4 mph SW 3
10:00
Sunny 86° 4 mph SW 5
11:00
Sunny 96° 6 mph SW 7
12:00
Sunny 99° 8 mph SW 9
13:00
Sunny 102° 10 mph SW 10
14:00
Mostly cloudy 92° 10 mph SW 9
15:00
Mostly cloudy 92° 11 mph SW 7
16:00
Mostly cloudy 92° 10 mph SW 4
17:00
Sunny 91° 10 mph SW 2
18:00
Sunny 89° 10 mph SW 1
19:00
Sunny 85° 9 mph SW 0
20:00
Sunny 82° 7 mph SW 0
21:00
Sunny 81° 5 mph SW 0
22:00
Sunny 80° 4 mph W 0
23:00
Sunny 80° 4 mph SW 0
Friday 21/8
00:00
Sunny 78° 3 mph SW 0
01:00
Sunny 77° 3 mph W 0
02:00
Sunny 77° 3 mph W 0
03:00
Sunny 76° 3 mph SW 0
04:00
Sunny 76° 3 mph SW 0
05:00
Sunny 76° 3 mph W 0
06:00
Sunny 75° 3 mph W 0
07:00
Sunny 75° 2 mph W 0
08:00
Sunny 77° 3 mph W 1
09:00
Sunny 81° 3 mph SW 3
10:00
Sunny 85° 4 mph W 4
11:00
Sunny 89° 6 mph SW 7
12:00
Sunny 91° 8 mph SW 9
13:00
Sunny 93° 10 mph SW 9
14:00
Partly cloudy 94° 11 mph SW 9
15:00
Mostly cloudy 93° 11 mph SW 7
16:00
Sunny 92° 11 mph SW 4
17:00
Sunny 91° 11 mph SW 2
18:00
Sunny 89° 10 mph SW 1
19:00
Sunny 86° 8 mph SW 0
20:00
Sunny 83° 7 mph SW 0
21:00
Sunny 82° 5 mph SW 0
22:00
Sunny 81° 4 mph SW 0
23:00
Sunny 80° 3 mph SW 0
Saturday 22/8
00:00
Sunny 79° 3 mph SW 0
01:00
Sunny 78° 3 mph SW 0
02:00
Sunny 77° 3 mph SW 0
03:00
Sunny 76° 3 mph W 0
Hourly
How the hourly forecast is made
Hour-by-hour numbers come from NOAA's National Blend of Models combined with ECMWF and GFS guidance, bias-corrected against nearby station observations and refreshed every hour.
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 4:12 AM