August 19, 2026 5:24 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
5:24 am, Aug 19, 2026
temperature icon 71°F
broken clouds
Humidity: 20 %
Pressure: 1013 mb
Wind: 7 mph
Wind Gust: 8 mph
Clouds: 63%
Visibility: 10 km
Sunrise: 6:13 am
Sunset: 7:32 pm
  • Temperature
  • Precipitation
  • Rain Chance
  • Wind
  • Humidity
  • Pressure
8:00 am
temperature icon
70°/71°°F 0 mm 0% 2 mph 24% 1013 mb 0 mm/h
11:00 am
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82°/87°°F 0 mm 0% 5 mph 16% 1013 mb 0 mm/h
2:00 pm
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94°/94°°F 0 mm 0% 14 mph 11% 1011 mb 0 mm/h
5:00 pm
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90°/90°°F 0 mm 0% 15 mph 13% 1010 mb 0 mm/h
8:00 pm
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78°/78°°F 0 mm 0% 9 mph 28% 1012 mb 0 mm/h
11:00 pm
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71°/71°°F 0 mm 0% 4 mph 37% 1014 mb 0 mm/h
2:00 am
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68°/68°°F 0 mm 0% 2 mph 35% 1014 mb 0 mm/h
5:00 am
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65°/65°°F 0 mm 0% 1 mph 31% 1014 mb 0 mm/h