National Weather Service Forecast for: 2 Miles NW Diamond Bar CA
Issued by: National Weather Service Los Angeles/Oxnard, CA
Updated: 7:31 am PDT May 4, 2026
 
Today

Today: Partly sunny, with a high near 65. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Partly Sunny
 Tonight

Tonight: A 30 percent chance of showers, mainly before 11pm. Mostly cloudy, with a low around 52. Southwest wind 10 to 15 mph becoming light west southwest after midnight. Winds could gust as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Chance
Showers
 Tuesday

Tuesday: A slight chance of rain before 11am, then a slight chance of showers after 11am. Mostly sunny, with a high near 64. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 20%.
Slight Chance
Rain
 Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 51. Southwest wind 5 to 10 mph becoming light south in the evening. Winds could gust as high as 15 mph.
Partly Cloudy
 Wednesday

Wednesday: Sunny, with a high near 75. Calm wind becoming southwest around 5 mph in the afternoon.
Sunny
 Wednesday
Night
Wednesday Night: Clear, with a low around 54.
Clear
 Thursday

Thursday: Sunny, with a high near 81.
Sunny
 Thursday
Night
Thursday Night: Mostly clear, with a low around 57.
Mostly Clear
 Friday

Friday: Sunny, with a high near 84.
Sunny
Hi 65 °F Lo 52 °F Hi 64 °F Lo 51 °F Hi 75 °F Lo 54 °F Hi 81 °F Lo 57 °F Hi 84 °F

 

Today
 
 Partly sunny, with a high near 65. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Tonight
 
 A 30 percent chance of showers, mainly before 11pm. Mostly cloudy, with a low around 52. Southwest wind 10 to 15 mph becoming light west southwest after midnight. Winds could gust as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
 
 A slight chance of rain before 11am, then a slight chance of showers after 11am. Mostly sunny, with a high near 64. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 20%.
Tuesday Night
 
 Partly cloudy, with a low around 51. Southwest wind 5 to 10 mph becoming light south in the evening. Winds could gust as high as 15 mph.
Wednesday
 
 Sunny, with a high near 75. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
 
 Clear, with a low around 54.
Thursday
 
 Sunny, with a high near 81.
Thursday Night
 
 Mostly clear, with a low around 57.
Friday
 
 Sunny, with a high near 84.
Friday Night
 
 Clear, with a low around 59.
Saturday
 
 Sunny, with a high near 87.
Saturday Night
 
 Clear, with a low around 61.
Sunday
 
 Sunny, with a high near 90.

 

Forecast from NOAA-NWS for 2 Miles NW Diamond Bar CA.