August 20, 2026 7:53 AM

Monday September 23 – Friday September 27 Work Week’s Forecast for SoCal

SOUTHERN CALIFORNIA, CA. (Pain In The Pass) >> This week’s weather forecast for Monday September 23 through Friday September 27 for Southern California. Check out the 5-day forecast below in your area.

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

Monday will be hot, sunny, and a high of 95°. Tuesday will be hot, sunny, and a high of 94°. Wednesday will be hot, mostly sunny with a chance of morning fog, and a high of 91°. Thursday will be hot, mostly sunny with a chance of morning fog, and a high of 90°. Friday will be hot, mostly sunny with a chance of morning fog, and a high of 89°.

High Deserts Area Aveage Weather/Temps:

Monday will be hot, sunny, 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 95+°. Thursday will be hot, sunny, and a high of 94+°. Friday will be hot, sunny, and windy, and a high 93+°. Higher temps in the Barstow area.

Mountains Area Aveage Weather/Temps:

Monday will be cool, sunny, windy, and a high of 80°. Tuesday will be warm, sunny, windy, and a high of 80°. Wednesday will be warm, sunny, windy and a high of 78°. Thursday will be warm, sunny, windy, and a high of 77°. Friday will be warm, sunny, windy, and a high of 76°.

*Timing/Weather on each day may change.

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Cajon Pass
7:53 am, Aug 20, 2026
temperature icon 77°F
clear sky
Humidity: 17 %
Pressure: 1015 mb
Wind: 7 mph
Wind Gust: 6 mph
Clouds: 1%
Visibility: 10 km
Sunrise: 6:14 am
Sunset: 7:31 pm
  • Temperature
  • Precipitation
  • Rain Chance
  • Wind
  • Humidity
  • Pressure
8:00 am
temperature icon
65°/75°°F 0 mm 0% 2 mph 27% 1015 mb 0 mm/h
11:00 am
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78°/85°°F 0 mm 0% 7 mph 25% 1015 mb 0 mm/h
2:00 pm
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86°/92°°F 0 mm 0% 13 mph 19% 1013 mb 0 mm/h
5:00 pm
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88°/88°°F 0 mm 0% 13 mph 18% 1011 mb 0 mm/h
8:00 pm
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77°/77°°F 0 mm 0% 9 mph 38% 1014 mb 0 mm/h
11:00 pm
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71°/71°°F 0 mm 0% 4 mph 41% 1015 mb 0 mm/h
2:00 am
temperature icon
68°/68°°F 0 mm 0% 4 mph 36% 1015 mb 0 mm/h
5:00 am
temperature icon
65°/65°°F 0 mm 0% 3 mph 33% 1015 mb 0 mm/h