October 7, 2026 4:55 PM

Normal Temps and Sunny Skies in this Week 5 Day Forecast

SOUTHERN CALIFORNIA, CA. (Pain In The Pass) >> This week weather forecast for Monday September 14 through Friday September 18 for Southern California. Check out the 5-day forecast below in your area. 

Cajon Pass/Inland Empire Valley Area Average Weather/Temps:

Monday will be hot, sunny, and a high 91°. Tuesday will be hot, sunny, and the high of 87°. Wednesday will be hot, sunny, and a high of 85°. Thursday will be hot, mostly sunny, and a high of 87°. Friday will be hot, mostly sunny, and a high of 90°.  

High Deserts Area Average Weather/Temps:

Monday will be hot, sunny, windy, and a high of 92+°. Tuesday will be hot, sunnys, windy, and a high of 88+°. Wednesday will be hot, sunny, windy and a high of 86+°. Thursday will be hot, sunny, windy, and a high of 88+°. Friday will be hot, mostly sunny, windy, and a high 93+°. Higher temps in the Barstow area. 

Mountains Area Average Weather/Temps:

Monday will be warm, sunny, windy, and a high of 75°. Tuesday will be warm, sunny, windy, and a high of 73°. Wednesday will be warm, sunny, windy, and a high of 71°. Thursday will be warm, sunny, windy and a high of 72°. Friday will be warm, mostly sunny, windy, and a high of 74°.

*Timing of the Weather on each day can change.

There are more ways to follow the Pain In The Pass. Join the Traffic Group on Facebook with over 173,000 members. Join the group on MeWe. Like us on the on Facebook. Follow us on Instagram, and also follow us on Threads, and X aka Twitter. 

If you do get into an accident, click or call the trusted professionals of Lerner, Moore, Silva, Cunningham & Rubel Professional Law Corporation.

loader-image
Cajon Pass
4:55 pm, Oct 7, 2026
temperature icon 88°F
clear sky
Humidity: 22 %
Pressure: 1011 mb
Wind: 4 mph
Wind Gust: 11 mph
Clouds: 0%
Visibility: 10 km
Sunrise: 6:48 am
Sunset: 6:25 pm
  • Temperature
  • Precipitation
  • Rain Chance
  • Wind
  • Humidity
  • Pressure
5:00 pm
temperature icon
85°/88°°F 0 mm 0% 7 mph 22% 1011 mb 0 mm/h
8:00 pm
temperature icon
74°/83°°F 0 mm 0% 4 mph 23% 1011 mb 0 mm/h
11:00 pm
temperature icon
69°/75°°F 0 mm 0% 5 mph 28% 1012 mb 0 mm/h
2:00 am
temperature icon
66°/66°°F 0 mm 0% 3 mph 32% 1013 mb 0 mm/h
5:00 am
temperature icon
65°/65°°F 0 mm 0% 2 mph 33% 1012 mb 0 mm/h
8:00 am
temperature icon
72°/72°°F 0 mm 0% 1 mph 30% 1013 mb 0 mm/h
11:00 am
temperature icon
85°/85°°F 0 mm 0% 7 mph 20% 1012 mb 0 mm/h
2:00 pm
temperature icon
89°/89°°F 0 mm 0% 7 mph 14% 1009 mb 0 mm/h