October 4, 2026 8:31 PM

Hot October Weather in the 5 Day Forecast

SOUTHERN CALIFORNIA, CA. (Pain In The Pass) >> This week weather forecast for Monday October 5 through Friday October 9 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 102°. Tuesday will be hot, sunny, and the high of 102°. Wednesday will be hot, sunny, and a high of 101°. Thursday will be hot, sunny, and a high of 101°. Friday will be hot, mostly sunny, and a high of 99°.   

High Deserts Area Average Weather/Temps:

Monday will be hot, sunny, windy, and a high of 97+°. Tuesday will be hot, sunny, windy, and a high of 97+°. Wednesday will be hot, sunny, windy and a high of 98+°. Thursday will be hot, sunny, windy, and a high of 98+°. Friday will be hot, mostly sunny, windy, and a high 96+°. 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 75°. Wednesday will be warm, sunny, windy, and a high of 78°. Thursday will be warm, sunny, windy and a high of 78°. Friday will be warm, mostly sunny, windy, and a high of 76°.

*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
8:31 pm, Oct 4, 2026
temperature icon 78°F
clear sky
Humidity: 24 %
Pressure: 1013 mb
Wind: 4 mph
Wind Gust: 10 mph
Clouds: 0%
Visibility: 10 km
Sunrise: 6:46 am
Sunset: 6:29 pm
  • Temperature
  • Precipitation
  • Rain Chance
  • Wind
  • Humidity
  • Pressure
11:00 pm
temperature icon
71°/76°°F 0 mm 0% 6 mph 27% 1014 mb 0 mm/h
2:00 am
temperature icon
67°/71°°F 0 mm 0% 1 mph 33% 1015 mb 0 mm/h
5:00 am
temperature icon
65°/65°°F 0 mm 0% 1 mph 39% 1016 mb 0 mm/h
8:00 am
temperature icon
72°/72°°F 0 mm 0% 1 mph 36% 1018 mb 0 mm/h
11:00 am
temperature icon
85°/85°°F 0 mm 0% 6 mph 24% 1017 mb 0 mm/h
2:00 pm
temperature icon
89°/89°°F 0 mm 0% 9 mph 20% 1014 mb 0 mm/h
5:00 pm
temperature icon
85°/85°°F 0 mm 0% 6 mph 19% 1013 mb 0 mm/h
8:00 pm
temperature icon
75°/75°°F 0 mm 0% 0 mph 30% 1014 mb 0 mm/h