February 20, 2026 11:12 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
11:12 am, Feb 20, 2026
temperature icon 39°F
overcast clouds
Humidity: 54 %
Pressure: 1015 mb
Wind: 10 mph
Wind Gust: 7 mph
Clouds: 91%
Visibility: 10 km
Sunrise: 6:29 am
Sunset: 5:37 pm
  • Temperature
  • Precipitation
  • Rain Chance
  • Wind
  • Humidity
  • Pressure
1:00 pm
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40°/43°°F 0 mm 0% 6 mph 56% 1016 mb 0 mm/h
4:00 pm
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43°/45°°F 0 mm 0% 4 mph 54% 1016 mb 0 mm/h
7:00 pm
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35°/35°°F 0 mm 0% 6 mph 62% 1019 mb 0 mm/h
10:00 pm
temperature icon
35°/35°°F 0 mm 0% 3 mph 62% 1021 mb 0 mm/h
1:00 am
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33°/33°°F 0 mm 0% 3 mph 64% 1022 mb 0 mm/h
4:00 am
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34°/34°°F 0 mm 0% 5 mph 64% 1023 mb 0 mm/h
7:00 am
temperature icon
33°/33°°F 0 mm 0% 5 mph 63% 1024 mb 0 mm/h
10:00 am
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43°/43°°F 0 mm 0% 6 mph 43% 1024 mb 0 mm/h