March 9, 2026 8:50 AM

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
8:50 am, Mar 9, 2026
temperature icon 55°F
clear sky
Humidity: 26 %
Pressure: 1013 mb
Wind: 2 mph
Wind Gust: 0 mph
Clouds: 3%
Visibility: 10 km
Sunrise: 7:08 am
Sunset: 6:52 pm
  • Temperature
  • Precipitation
  • Rain Chance
  • Wind
  • Humidity
  • Pressure
11:00 am
temperature icon
56°/58°°F 0 mm 0% 6 mph 32% 1013 mb 0 mm/h
2:00 pm
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58°/60°°F 0 mm 0% 5 mph 28% 1011 mb 0 mm/h
5:00 pm
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58°/58°°F 0 mm 0% 8 mph 37% 1009 mb 0 mm/h
8:00 pm
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48°/48°°F 0 mm 0% 5 mph 66% 1012 mb 0 mm/h
11:00 pm
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48°/48°°F 0 mm 0% 5 mph 78% 1014 mb 0 mm/h
2:00 am
temperature icon
48°/48°°F 0 mm 0% 4 mph 81% 1014 mb 0 mm/h
5:00 am
temperature icon
47°/47°°F 0 mm 0% 6 mph 81% 1014 mb 0 mm/h
8:00 am
temperature icon
47°/47°°F 0 mm 0% 6 mph 82% 1016 mb 0 mm/h