August 23, 2026 6:22 AM

Rollercoaster of Fall Weather in this Weeks 5 Day Forecast

SOUTHERN CALIFORNIA, CA. (Pain In The Pass) >> This week’s weather forecast for Monday October 20 through Friday October 24 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 warm, mostly sunny with morning fog/clouds, and a high of 86°. Tuesday will be warm, mostly sunny with morning fog/clouds, with a high of 85°. Wednesday will be cool, mostly sunny with morning fog/clouds, and a high of 75°. Thursday will be warm, warm, mostly sunny with morning fog/clouds, and a high of 78°. Friday will be warm, warm, mostly sunny with morning fog/clouds, and a high of 82°.

High Deserts Area Average Weather/Temps:

Monday will be warm, mostly sunny, windy, and a high of 80+°. Tuesday will be warm, mostly sunny, windy, and a high of 80+°. Wednesday will be cool, mostly sunny, windy and a high of 75+°. Thursday will be warm, mostly sunny, windy, and a high of 77+°. Friday will be warm, mosty sunny, windy, and a high 79+°. Higher temps in the Barstow area.

Mountains Area Average Weather/Temps:

Monday will be cool, mostly sunny, windy, and a high of 67°. Tuesday will be cool, mostly cloudy, gusty winds, and a high of 67°. Wednesday will be cold, mostly sunny, windy and a high of 59°. Thursday will be cool, sunny, windy, and a high of 62°. Friday will be cool, sunny, windy, and a high of 64°.

*Timing of the Weather on each day can change.

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Cajon Pass
6:22 am, Aug 23, 2026
temperature icon 70°F
clear sky
Humidity: 34 %
Pressure: 1013 mb
Wind: 0 mph
Wind Gust: 3 mph
Clouds: 0%
Visibility: 10 km
Sunrise: 6:16 am
Sunset: 7:28 pm
  • Temperature
  • Precipitation
  • Rain Chance
  • Wind
  • Humidity
  • Pressure
8:00 am
temperature icon
70°/70°°F 0 mm 0% 2 mph 35% 1013 mb 0 mm/h
11:00 am
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82°/88°°F 0 mm 0% 10 mph 24% 1013 mb 0 mm/h
2:00 pm
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94°/94°°F 0 mm 0% 16 mph 11% 1012 mb 0 mm/h
5:00 pm
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90°/90°°F 0 mm 0% 15 mph 13% 1011 mb 0 mm/h
8:00 pm
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79°/79°°F 0 mm 0% 9 mph 27% 1013 mb 0 mm/h
11:00 pm
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73°/73°°F 0 mm 0% 6 mph 33% 1014 mb 0 mm/h
2:00 am
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70°/70°°F 0 mm 0% 4 mph 32% 1014 mb 0 mm/h
5:00 am
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67°/67°°F 0 mm 0% 2 mph 28% 1014 mb 0 mm/h