May 12, 2026 5:40 AM

Cold Weather in the First Week of the Year

SOUTHERN CALIFORNIA, CA. (Pain In The Pass) >> This week’s weather forecast for Monday January 5 through Friday January 9 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 cold, partly cloudy with rain showers in the morning, and a high of 61°. Tuesday will be warm, mostly cloudy with rain showers, with a high of 63°. Wednesday will be cold, mostly sunny, and a high of 65°. Thursday will be cold, partly sunny, and a high of 66°. Friday will be cold, mostly sunny, and a high of 67°.

High Deserts Area Average Weather/Temps:

Monday will be cool, partly sunny with morning rain showers, windy, and a high of 56+°. Tuesday will be cold, partly cloudy, windy, and a high of 55+°. Wednesday will be cold, mostly cloudy, windy and a high of 57+°. Thursday will be cold, mostly sunny, gusty winds, and a high of 55+°. Friday will be cold, mostly sunny, gusty winds, and a high 56+°. Higher temps in the Barstow area.

Mountains Area Average Weather/Temps:

Monday will be cold, partly sunny with morning rain/snow showers, gusty winds, and a high of 42°. Tuesday will be cold, partly sunny with a chance of rain/snow showers, windy, and a high of 44°. Wednesday will be cold, partly sunny, gusty winds and a high of 45°. Thursday will be cold, mostly sunny, windy, and a high of 46°. Friday will be cold, mostly sunny, windy, and a high of 45°.

*Timing of the Weather on each day can change.

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Cajon Pass
5:40 am, May 12, 2026
temperature icon 66°F
clear sky
Humidity: 19 %
Pressure: 1013 mb
Wind: 2 mph
Wind Gust: 4 mph
Clouds: 0%
Visibility: 10 km
Sunrise: 5:49 am
Sunset: 7:42 pm
  • Temperature
  • Precipitation
  • Rain Chance
  • Wind
  • Humidity
  • Pressure
8:00 am
temperature icon
55°/63°°F 0 mm 0% 2 mph 22% 1013 mb 0 mm/h
11:00 am
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69°/71°°F 0 mm 0% 5 mph 17% 1012 mb 0 mm/h
2:00 pm
temperature icon
73°/73°°F 0 mm 0% 17 mph 23% 1011 mb 0 mm/h
5:00 pm
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69°/69°°F 0 mm 0% 18 mph 34% 1012 mb 0 mm/h
8:00 pm
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57°/57°°F 0 mm 0% 13 mph 58% 1014 mb 0 mm/h
11:00 pm
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52°/52°°F 0 mm 0% 10 mph 70% 1016 mb 0 mm/h
2:00 am
temperature icon
56°/56°°F 0 mm 0% 8 mph 75% 1016 mb 0 mm/h
5:00 am
temperature icon
54°/54°°F 0 mm 0% 8 mph 73% 1016 mb 0 mm/h