National Weather Service Forecast for: Montclair CA
Issued by: National Weather Service San Diego, CA
Updated: 1:27 pm PDT Jun 19, 2025
 
Juneteenth

Juneteenth: Sunny, with a high near 87. West wind 10 to 15 mph, with gusts as high as 20 mph.
Sunny
 Tonight

Tonight: Patchy fog after 2am. Otherwise, increasing clouds, with a low around 61. West wind 5 to 10 mph, with gusts as high as 20 mph.
Clear then
Patchy Fog
 Friday

Friday: Patchy fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 82. West wind 5 to 15 mph, with gusts as high as 20 mph.
Patchy Fog
then Sunny
 Friday
Night
Friday Night: Increasing clouds, with a low around 59. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Increasing
Clouds
 Saturday

Saturday: Patchy fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 77. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Patchy Fog
then Sunny
 Saturday
Night
Saturday Night: Increasing clouds, with a low around 57.
Increasing
Clouds
 Sunday

Sunday: Patchy fog before 11am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 80.
Patchy Fog
then Sunny
 Sunday
Night
Sunday Night: Increasing clouds, with a low around 58.
Increasing
Clouds
 Monday

Monday: Mostly cloudy through mid morning, then gradual clearing, with a high near 82.
Becoming
Sunny
Hi 87 °F Lo 61 °F Hi 82 °F Lo 59 °F Hi 77 °F Lo 57 °F Hi 80 °F Lo 58 °F Hi 82 °F

 

Juneteenth
 
 Sunny, with a high near 87. West wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
 
 Patchy fog after 2am. Otherwise, increasing clouds, with a low around 61. West wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
 
 Patchy fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 82. West wind 5 to 15 mph, with gusts as high as 20 mph.
Friday Night
 
 Increasing clouds, with a low around 59. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
 
 Patchy fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 77. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
 
 Increasing clouds, with a low around 57.
Sunday
 
 Patchy fog before 11am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 80.
Sunday Night
 
 Increasing clouds, with a low around 58.
Monday
 
 Mostly cloudy through mid morning, then gradual clearing, with a high near 82.
Monday Night
 
 Increasing clouds, with a low around 57.
Tuesday
 
 Mostly cloudy through mid morning, then gradual clearing, with a high near 80.
Tuesday Night
 
 Mostly clear, with a low around 58.
Wednesday
 
 Sunny, with a high near 84.

 

Forecast from NOAA-NWS for Montclair CA.