September 12, 2026 9:51 PM

Rainy Christmas Week Forecast

SOUTHERN CALIFORNIA, CA. (Pain In The Pass) >> This week’s weather forecast for Monday December 22 through Friday November 26 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, partly cloudy, and a high of 77°. Tuesday will be warm, partly cloudy with rain showers in the afternoon/night, with a high of 69°. Wednesday will be cold, cloudy with rain showers, and a high of 64°. Thursday will be cold, cloudy with rain showers, and a high of 65°. Friday will be cold, mostly cloudy with rain showers, and a high of 64°.

High Deserts Area Average Weather/Temps:

Monday will be cool, partly, windy, and a high of 71+°. Tuesday will be cold, mostly cloudy with rain showers at night, gusty winds, and a high of 65+°. Wednesday will be cold, mostly cloudy with rain showers, windy and a high of 59+°. Thursday will be cold, mostly cloudy with rain showers, gusty winds, and a high of 58+°. Friday will be cold, partly cloudy with rain showers, gusty winds, and a high 57+°. Higher temps in the Barstow area.

Mountains Area Average Weather/Temps:

Monday will be cold, mostly cloudy, windy, and a high of 61°. Tuesday will be cold, mostly cloudy with rain showers late, gusty winds, and a high of 55°. Wednesday will be cold, mostly cloudy with rain showers, windy and a high of 46°. Thursday will be cold, mostly cloudy with rain showers, windy, and a high of 45°. Friday will be cold, mostly cloudy with rain/snow showers, windy, and a high of 44°.

*Timing of the Weather on each day can change.

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Cajon Pass
9:51 pm, Sep 12, 2026
temperature icon 73°F
clear sky
Humidity: 56 %
Pressure: 1013 mb
Wind: 10 mph
Wind Gust: 9 mph
Clouds: 0%
Visibility: 10 km
Sunrise: 6:30 am
Sunset: 7:01 pm
  • Temperature
  • Precipitation
  • Rain Chance
  • Wind
  • Humidity
  • Pressure
11:00 pm
temperature icon
65°/73°°F 0 mm 0% 6 mph 55% 1013 mb 0 mm/h
2:00 am
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63°/70°°F 0 mm 0% 4 mph 57% 1013 mb 0 mm/h
5:00 am
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60°/64°°F 0 mm 0% 3 mph 57% 1012 mb 0 mm/h
8:00 am
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65°/65°°F 0 mm 0% 3 mph 48% 1013 mb 0 mm/h
11:00 am
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77°/77°°F 0 mm 0% 6 mph 20% 1012 mb 0 mm/h
2:00 pm
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82°/82°°F 0 mm 0% 10 mph 18% 1010 mb 0 mm/h
5:00 pm
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78°/78°°F 0 mm 0% 11 mph 26% 1009 mb 0 mm/h
8:00 pm
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69°/69°°F 0 mm 0% 8 mph 44% 1010 mb 0 mm/h