November 5, 2026 3:24 AM

More Sunny Days in December this weeks 5 Day Forecast

SOUTHERN CALIFORNIA, CA. (Pain In The Pass) >> This week’s weather forecast for Monday December 15 through Friday December 19 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, sunny, and a high of 82°. Tuesday will be warm, sunny, with a high of 83°. Wednesday will be warm, mostly sunny, and a high of 79°. Thursday will be warm, sunny with morning fog, and a high of 81°. Friday will be warm, mostly sunny with morning fog, and a high of 79°.

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 cool, sunny, windy and a high of 70+°. Thursday will be cool, mostly sunny, windy, and a high of 72+°. Friday will be cool, mosty sunny, windy, and a high 69+°. 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, sunny, windy, and a high of 65°. Wednesday will be cold, sunny, windy and a high of 61°. Thursday will be cold, mostly sunny, windy, and a high of 62°. Friday will be cold, mostly sunny, windy, and a high of 62°.

*Timing of the Weather on each day can change.

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Cajon Pass
3:24 am, Nov 5, 2026
temperature icon 46°F
scattered clouds
Humidity: 53 %
Pressure: 1015 mb
Wind: 2 mph
Wind Gust: 3 mph
Clouds: 26%
Visibility: 10 km
Sunrise: 6:13 am
Sunset: 4:52 pm
  • Temperature
  • Precipitation
  • Rain Chance
  • Wind
  • Humidity
  • Pressure
4:00 am
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45°/46°°F 0 mm 0% 4 mph 53% 1016 mb 0 mm/h
7:00 am
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47°/48°°F 0 mm 0% 3 mph 54% 1017 mb 0 mm/h
10:00 am
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58°/64°°F 0 mm 0% 3 mph 40% 1017 mb 0 mm/h
1:00 pm
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68°/68°°F 0 mm 0% 3 mph 28% 1015 mb 0 mm/h
4:00 pm
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64°/64°°F 0 mm 0% 7 mph 28% 1015 mb 0 mm/h
7:00 pm
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54°/54°°F 0 mm 0% 2 mph 38% 1017 mb 0 mm/h
10:00 pm
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50°/50°°F 0 mm 0% 3 mph 42% 1018 mb 0 mm/h
1:00 am
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49°/49°°F 0 mm 0% 5 mph 46% 1019 mb 0 mm/h