September 4, 2026 8:37 AM

Mix Bag of Weather in the 5 Day

SOUTHERN CALIFORNIA, CA. (Pain In The Pass) >> This week’s weather forecast for Monday October 13 through Friday October 17 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 cool, mostly sunny, and a high of 73°. Tuesday will be cool, mostly cloudy with rain showers, with a high of 64°. Wednesday will be cool, partly cloudy with a chance of morning rain showers, and a high of 67°. Thursday will be warm, sunny , and a high of 75°. Friday will be warm, sunny, and a high of 78°.

High Deserts Area Average Weather/Temps:

Monday will be cool, partly sunny, gusty winds, and a high of 70+°. Tuesday will be cool, partly sunny with rain showers, gusty winds, and a high of 61+°. Wednesday will be cool, mostly sunny, windy and a high of 62+°. Thursday will be cool, mostly sunny, windy, and a high of 67+°. Friday will be cool, sunny, windy, and a high 71+°. Higher temps in the Barstow area.

Mountains Area Average Weather/Temps:

Monday will be cold, sunny, gusty winds, and a high of 54°. Tuesday will be cold, mostly cloudy, gusty winds, and a high of 46°. Wednesday will be cold, mostly sunny, windy and a high of 47°. Thursday will be cold, sunny, windy, and a high of 51°. Friday will be cold, sunny, windy, and a high of 54°.

*Timing of the Weather on each day can change.

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Cajon Pass
8:37 am, Sep 4, 2026
temperature icon 64°F
clear sky
Humidity: 45 %
Pressure: 1013 mb
Wind: 12 mph
Wind Gust: 12 mph
Clouds: 0%
Visibility: 10 km
Sunrise: 6:25 am
Sunset: 7:12 pm
  • Temperature
  • Precipitation
  • Rain Chance
  • Wind
  • Humidity
  • Pressure
11:00 am
temperature icon
65°/68°°F 0 mm 0% 9 mph 40% 1013 mb 0 mm/h
2:00 pm
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72°/76°°F 0 mm 0% 16 mph 28% 1011 mb 0 mm/h
5:00 pm
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73°/73°°F 0 mm 0% 20 mph 26% 1010 mb 0 mm/h
8:00 pm
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65°/65°°F 0 mm 0% 11 mph 48% 1012 mb 0 mm/h
11:00 pm
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59°/59°°F 0 mm 0% 8 mph 59% 1014 mb 0 mm/h
2:00 am
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57°/57°°F 0 mm 0% 6 mph 63% 1014 mb 0 mm/h
5:00 am
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55°/55°°F 0 mm 0% 4 mph 60% 1014 mb 0 mm/h
8:00 am
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64°/64°°F 0 mm 0% 4 mph 37% 1014 mb 0 mm/h