Weather WorldOak Glen, CA Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Oak Glen Weather Forecast
| TODAY | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT |
 |  |  | | | | | | | | | |
| Partly Cloudy | Mostly Clear | Mostly Sunny | Clear | Sunny | Clear | Mostly Sunny | Mostly Clear | Mostly Sunny | Mostly Clear | Partly Cloudy | Mostly Clear |
| Lo: 55°FLo: 13°C | Lo: 56°FLo: 13°C | Lo: 54°FLo: 12°C | Lo: 53°FLo: 12°C | ||||||||
POP = Probability of Precipitation.
Weather Outlook Updated: 1222 AM PDT Mon Sep 21 2026 
Oak Glen Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Oak Glen Weather Map
Oak Glen Quick Facts
Oak Glen Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 456 AM PDT Mon Sep 21 2026
Discussion
...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE... SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES...
...UPDATED AVIATION DISCUSSION...
.SHORT TERM (Today through Wednesday)... A weak upper level low pressure system will move inland through central and southern California today with high temperatures a few to around 5 degrees cooler than Sunday and as much as 5 to 10 degrees below average for the valleys. High temperatures for today will range from the lowe...