October 18, 2026 7:58 PM

Weather Shift to Rain Showers in this Week 5 Day

SOUTHERN CALIFORNIA, CA. (Pain In The Pass) >> This week weather forecast for Monday October 19 through Friday October 23 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, and a high 87°. Tuesday will be warm, partly cloudy with a chances of rain showers late, and the high of 82°. Wednesday will be warm, mostly cloudy with a chances of rain showers, and a high of 78°. Thursday will be cool, mostly cloudy with a chances of rain showers, and a high of 70°. Friday will be cool, partly cloudy with gusty winds, and a high of 71°.  

High Deserts Area Average Weather/Temps:

Monday will be warm, sunny, windy, and a high of 85+°. Tuesday will be warm, partly sunny, windy, and a high of 80+°. Wednesday will be cool, mostly cloudy with a chances of rain showers, windy and a high of 71+°. Thursday will be cool, mostly cloudy with a chances of rain showers, windy, and a high of 66+°. Friday will be cool, partly sunny, windy, and a high 68+°. Higher temps in the Barstow area.

Mountains Area Average Weather/Temps:

Monday will be cold, sunny, windy, and a high of 61°. Tuesday will be cold, partly sunny, windy, and a high of 58°. Wednesday will be cold, mostly cloudy with a chances of rain showers, windy, and a high of 55°. Thursday will be cold, mostly cloudy with a chances of rain showers, windy and a high of 48°. Friday will be cold, mostly sunny, windy, and a high of 49°.

*Timing of the Weather on each day can change.

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Cajon Pass
7:58 pm, Oct 18, 2026
temperature icon 64°F
clear sky
Humidity: 30 %
Pressure: 1015 mb
Wind: 1 mph
Wind Gust: 1 mph
Clouds: 3%
Visibility: 10 km
Sunrise: 6:57 am
Sunset: 6:11 pm
  • Temperature
  • Precipitation
  • Rain Chance
  • Wind
  • Humidity
  • Pressure
8:00 pm
temperature icon
63°/64°°F 0 mm 0% 1 mph 30% 1015 mb 0 mm/h
11:00 pm
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60°/63°°F 0 mm 0% 1 mph 32% 1015 mb 0 mm/h
2:00 am
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56°/59°°F 0 mm 0% 1 mph 33% 1015 mb 0 mm/h
5:00 am
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55°/55°°F 0 mm 0% 1 mph 36% 1015 mb 0 mm/h
8:00 am
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60°/60°°F 0 mm 0% 2 mph 33% 1016 mb 0 mm/h
11:00 am
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69°/69°°F 0 mm 0% 5 mph 23% 1015 mb 0 mm/h
2:00 pm
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73°/73°°F 0 mm 0% 6 mph 19% 1012 mb 0 mm/h
5:00 pm
temperature icon
70°/70°°F 0 mm 0% 11 mph 23% 1011 mb 0 mm/h