September 28, 2026 12:03 PM

Above Average Temps in the 5 Day

SOUTHERN CALIFORNIA, CA. (Pain In The Pass) >> This week’s weather forecast for Monday December 8 through Friday December 12 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 of 80°. Tuesday will be warm, sunny, with a high of 84°. Wednesday will be warm, mostly sunny, and a high of 83°. Thursday will be warm, sunny, and a high of 82°. Friday will be warm, mostly sunny, and a high of 84°.

High Deserts Area Average Weather/Temps:

Monday will be cool, sunny, windy, and a high of 69+°. Tuesday will be cool, sunny, windy, and a high of 70+°. Wednesday will be cold, sunny, windy and a high of 73+°. Thursday will be cold, mostly sunny, windy, and a high of 72+°. Friday will be cool, mosty sunny, windy, and a high 71+°. Higher temps in the Barstow area.

Mountains Area Average Weather/Temps:

Monday will be cold, sunny, windy, and a high of 57°. Tuesday will be cold, sunny, windy, and a high of 62°. Wednesday will be cold, sunny, windy and a high of 64°. Thursday will be cold, mostly sunny, windy, and a high of 64°. Friday will be cold, mostly sunny, windy, and a high of 63°.

*Timing of the Weather on each day can change.

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Cajon Pass
12:03 pm, Sep 28, 2026
temperature icon 72°F
few clouds
Humidity: 29 %
Pressure: 1009 mb
Wind: 14 mph
Wind Gust: 14 mph
Clouds: 17%
Visibility: 10 km
Sunrise: 6:41 am
Sunset: 6:38 pm
  • Temperature
  • Precipitation
  • Rain Chance
  • Wind
  • Humidity
  • Pressure
2:00 pm
temperature icon
72°/72°°F 0.02 mm 2% 2 mph 29% 1008 mb 0 mm/h
5:00 pm
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70°/70°°F 0.21 mm 21% 9 mph 22% 1006 mb 0 mm/h
8:00 pm
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62°/62°°F 0 mm 0% 14 mph 23% 1007 mb 0 mm/h
11:00 pm
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57°/57°°F 0 mm 0% 13 mph 30% 1008 mb 0 mm/h
2:00 am
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54°/54°°F 0 mm 0% 10 mph 32% 1008 mb 0 mm/h
5:00 am
temperature icon
54°/54°°F 0 mm 0% 10 mph 33% 1007 mb 0 mm/h
8:00 am
temperature icon
59°/59°°F 0 mm 0% 10 mph 31% 1009 mb 0 mm/h
11:00 am
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74°/74°°F 0 mm 0% 12 mph 21% 1008 mb 0 mm/h