October 8, 2026 2:56 PM

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
2:56 pm, Oct 8, 2026
temperature icon 90°F
broken clouds
Humidity: 19 %
Pressure: 1009 mb
Wind: 6 mph
Wind Gust: 16 mph
Clouds: 55%
Visibility: 10 km
Sunrise: 6:49 am
Sunset: 6:24 pm
  • Temperature
  • Precipitation
  • Rain Chance
  • Wind
  • Humidity
  • Pressure
5:00 pm
temperature icon
84°/88°°F 0 mm 0% 5 mph 19% 1010 mb 0 mm/h
8:00 pm
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72°/78°°F 0 mm 0% 6 mph 24% 1010 mb 0 mm/h
11:00 pm
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67°/67°°F 0 mm 0% 8 mph 28% 1011 mb 0 mm/h
2:00 am
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63°/63°°F 0 mm 0% 3 mph 32% 1010 mb 0 mm/h
5:00 am
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61°/61°°F 0 mm 0% 3 mph 34% 1009 mb 0 mm/h
8:00 am
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69°/69°°F 0 mm 0% 4 mph 30% 1010 mb 0 mm/h
11:00 am
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81°/81°°F 0 mm 0% 8 mph 20% 1009 mb 0 mm/h
2:00 pm
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84°/84°°F 0 mm 0% 16 mph 18% 1006 mb 0 mm/h