National Weather Service Forecast for: Glendora CA
Issued by: National Weather Service Los Angeles/Oxnard, CA
Updated: 11:31 pm PDT Jun 21, 2026
 
Today

Today: Partly sunny, then gradually becoming sunny, with a high near 86. Light west wind becoming southwest 5 to 10 mph in the afternoon.
Becoming
Sunny
 Tonight

Tonight: Clear, with a low around 64. Southwest wind around 5 mph becoming calm in the evening.
Clear
 Tuesday

Tuesday: Sunny, with a high near 94. Calm wind becoming southwest around 5 mph in the afternoon.
Sunny
 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 68. Southwest wind around 5 mph becoming calm in the evening.
Mostly Clear
 Wednesday

Wednesday: Mostly sunny, with a high near 94. Calm wind becoming southwest around 5 mph in the afternoon.
Mostly Sunny
 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 66.
Mostly Clear
 Thursday

Thursday: Sunny, with a high near 91.
Sunny
 Thursday
Night
Thursday Night: Mostly clear, with a low around 60.
Mostly Clear
 Friday

Friday: Sunny, with a high near 86.
Sunny
Hi 86 °F Lo 64 °F Hi 94 °F Lo 68 °F Hi 94 °F Lo 66 °F Hi 91 °F Lo 60 °F Hi 86 °F

Heat Advisory
 

Today
 
 Partly sunny, then gradually becoming sunny, with a high near 86. Light west wind becoming southwest 5 to 10 mph in the afternoon.
Tonight
 
 Clear, with a low around 64. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
 
 Sunny, with a high near 94. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
 
 Mostly clear, with a low around 68. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
 
 Mostly sunny, with a high near 94. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
 
 Mostly clear, with a low around 66.
Thursday
 
 Sunny, with a high near 91.
Thursday Night
 
 Mostly clear, with a low around 60.
Friday
 
 Sunny, with a high near 86.
Friday Night
 
 Mostly clear, with a low around 59.
Saturday
 
 Sunny, with a high near 84.
Saturday Night
 
 Partly cloudy, with a low around 59.
Sunday
 
 Mostly sunny, with a high near 78.

 

Forecast from NOAA-NWS for Glendora CA.