May 11, 2026 11:26 PM

A Cooling Trend Starts Mid Week

SOUTHERN CALIFORNIA, CA. (Pain In The Pass) >> This week’s weather forecast for Monday January 19 through Friday January 23 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 80°. Tuesday will be warm, mostly sunny, with a high of 78°. Wednesday will be warm, partly sunny, and a high of 76°. Thursday will be warm, partly cloudy, and a high of 74°. Friday will be cool, partly cloudy, and a high of 70°.

High Deserts Area Average Weather/Temps:

Monday will be cool, sunny, windy, and a high of 68+°. Tuesday will be cool, mostly sunny, windy, and a high of 67+°. Wednesday will be cool, mostly sunny, windy and a high of 67+°. Thursday will be cool, partly sunny, windy, and a high of 66+°. Friday will be cool, partly sunny, windy, and a high 65+°. Higher temps in the Barstow area.

Mountains Area Average Weather/Temps:

Monday will be cold, sunny, windy, and a high of 57°. Tuesday will be cold, mostly sunny, windy, and a high of 56°. Wednesday will be cold, mostly sunny, windy, and a high of 56°. Thursday will be cold, parlty cloudy, windy, and a high of 55°. Friday will be cold, partly cloudy, windy, and a high of 52°.

*Timing of the Weather on each day can change.

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Cajon Pass
11:26 pm, May 11, 2026
temperature icon 66°F
clear sky
Humidity: 28 %
Pressure: 1013 mb
Wind: 2 mph
Wind Gust: 0 mph
Clouds: 5%
Visibility: 10 km
Sunrise: 5:50 am
Sunset: 7:41 pm
  • Temperature
  • Precipitation
  • Rain Chance
  • Wind
  • Humidity
  • Pressure
2:00 am
temperature icon
54°/62°°F 0 mm 0% 3 mph 28% 1013 mb 0 mm/h
5:00 am
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50°/55°°F 0 mm 0% 2 mph 22% 1013 mb 0 mm/h
8:00 am
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58°/58°°F 0 mm 0% 3 mph 11% 1013 mb 0 mm/h
11:00 am
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72°/72°°F 0 mm 0% 8 mph 16% 1012 mb 0 mm/h
2:00 pm
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75°/75°°F 0 mm 0% 16 mph 23% 1011 mb 0 mm/h
5:00 pm
temperature icon
58°/58°°F 0 mm 0% 18 mph 35% 1012 mb 0 mm/h
8:00 pm
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64°/64°°F 0 mm 0% 13 mph 57% 1014 mb 0 mm/h
11:00 pm
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59°/59°°F 0 mm 0% 10 mph 66% 1016 mb 0 mm/h