June 3, 2026 9:08 PM

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
9:08 pm, Jun 3, 2026
temperature icon 72°F
clear sky
Humidity: 36 %
Pressure: 1012 mb
Wind: 8 mph
Wind Gust: 12 mph
Clouds: 7%
Visibility: 10 km
Sunrise: 5:37 am
Sunset: 7:57 pm
  • Temperature
  • Precipitation
  • Rain Chance
  • Wind
  • Humidity
  • Pressure
11:00 pm
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59°/67°°F 0 mm 0% 3 mph 38% 1012 mb 0 mm/h
2:00 am
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59°/63°°F 0 mm 0% 2 mph 34% 1012 mb 0 mm/h
5:00 am
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56°/56°°F 0 mm 0% 2 mph 31% 1011 mb 0 mm/h
8:00 am
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65°/65°°F 0 mm 0% 2 mph 19% 1011 mb 0 mm/h
11:00 am
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79°/79°°F 0 mm 0% 7 mph 14% 1010 mb 0 mm/h
2:00 pm
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84°/84°°F 0 mm 0% 14 mph 13% 1009 mb 0 mm/h
5:00 pm
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81°/81°°F 0 mm 0% 16 mph 15% 1008 mb 0 mm/h
8:00 pm
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68°/68°°F 0 mm 0% 11 mph 32% 1010 mb 0 mm/h