April 20, 2026 3:50 AM

Nice Weather in this Weeks 5 Day Forecast

SOUTHERN CALIFORNIA, CA. (Pain In The Pass) >> This week’s weather forecast for Monday January 12 through Friday January 16 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 73°. Tuesday will be warm, sunny, with a high of 76°. Wednesday will be warm, sunny, and a high of 80°. Thursday will be warm, sunny, and a high of 80°. Friday will be warm, mostly sunny, and a high of 79°.

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 64+°. Wednesday will be cool, sunny, windy and a high of 68+°. Thursday will be cool, sunny, windy, and a high of 69+°. Friday will be cool, mostly sunny, windy, and a high 68+°. Higher temps in the Barstow area.

Mountains Area Average Weather/Temps:

Monday will be cold, sunny, windy, and a high of 50°. Tuesday will be cold, sunny, windy, and a high of 55°. Wednesday will be cold, sunny, windy, and a high of 59°. Thursday will be cold, sunny, windy, and a high of 59°. Friday will be cold, mostly sunny, windy, and a high of 57°.

*Timing of the Weather on each day can change.

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Cajon Pass
3:50 am, Apr 20, 2026
temperature icon 45°F
clear sky
Humidity: 62 %
Pressure: 1014 mb
Wind: 5 mph
Wind Gust: 5 mph
Clouds: 7%
Visibility: 10 km
Sunrise: 6:11 am
Sunset: 7:24 pm
  • Temperature
  • Precipitation
  • Rain Chance
  • Wind
  • Humidity
  • Pressure
5:00 am
temperature icon
48°/48°°F 0 mm 0% 5 mph 63% 1014 mb 0 mm/h
8:00 am
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49°/52°°F 0 mm 0% 4 mph 56% 1014 mb 0 mm/h
11:00 am
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61°/68°°F 0 mm 0% 7 mph 31% 1014 mb 0 mm/h
2:00 pm
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72°/72°°F 0 mm 0% 18 mph 14% 1013 mb 0 mm/h
5:00 pm
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68°/68°°F 0 mm 0% 17 mph 20% 1011 mb 0 mm/h
8:00 pm
temperature icon
57°/57°°F 0 mm 0% 13 mph 42% 1013 mb 0 mm/h
11:00 pm
temperature icon
53°/53°°F 0 mm 0% 11 mph 46% 1014 mb 0 mm/h
2:00 am
temperature icon
49°/49°°F 0 mm 0% 8 mph 48% 1015 mb 0 mm/h