March 10, 2026 3:48 AM

First Week of December 5 Day Forecast

SOUTHERN CALIFORNIA, CA. (Pain In The Pass) >> This week’s weather forecast for Monday December 1 through Friday December 5 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, sunny with gusty winds, and a high of 72°. Tuesday will be cool, sunny with gusty winds, with a high of 68°. Wednesday will be cool, partly sunny with a chance of rain showers, and a high of 64°. Thursday will be cool, partly cloudy with a chance of rain showers, and a high of 68°. Friday will be cool, mostly sunny with gusty winds, and a high of 65°.

High Deserts Area Average Weather/Temps:

Monday will be cool, sunny, windy, and a high of 61+°. Tuesday will be cool, sunny, windy, and a high of 63+°. Wednesday will be cold, partly sunny with a small chance of rain showers, windy and a high of 56+°. Thursday will be cold, partly sunny with a chance of rain showers, windy, and a high of 57+°. Friday will be cool, mosty sunny, windy, and a high 60+°. Higher temps in the Barstow area.

Mountains Area Average Weather/Temps:

Monday will be cold, sunny, windy, and a high of 49°. Tuesday will be cold, sunny, windy, and a high of 50°. Wednesday will be cold, partly cloudy with a chance of rain/snow showers, windy and a high of 42°. Thursday will be cold, partly cloudy with a chance of rain/snow showers, windy, and a high of 40°. Friday will be cold, mostly sunny, windy, and a high of 46°.

*Timing of the Weather on each day can change.

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Cajon Pass
3:48 am, Mar 10, 2026
temperature icon 47°F
clear sky
Humidity: 81 %
Pressure: 1014 mb
Wind: 13 mph
Wind Gust: 13 mph
Clouds: 8%
Visibility: 10 km
Sunrise: 7:06 am
Sunset: 6:52 pm
  • Temperature
  • Precipitation
  • Rain Chance
  • Wind
  • Humidity
  • Pressure
5:00 am
temperature icon
35°/47°°F 0 mm 0% 6 mph 81% 1014 mb 0 mm/h
8:00 am
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38°/44°°F 0 mm 0% 8 mph 82% 1015 mb 0 mm/h
11:00 am
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54°/58°°F 0 mm 0% 5 mph 63% 1016 mb 0 mm/h
2:00 pm
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64°/64°°F 0 mm 0% 7 mph 43% 1016 mb 0 mm/h
5:00 pm
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60°/60°°F 0 mm 0% 8 mph 44% 1016 mb 0 mm/h
8:00 pm
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53°/53°°F 0 mm 0% 5 mph 71% 1019 mb 0 mm/h
11:00 pm
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52°/52°°F 0 mm 0% 3 mph 69% 1021 mb 0 mm/h
2:00 am
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51°/51°°F 0 mm 0% 3 mph 58% 1021 mb 0 mm/h