April 2, 2026 9:57 AM

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
9:57 am, Apr 2, 2026
temperature icon 50°F
overcast clouds
Humidity: 69 %
Pressure: 1014 mb
Wind: 12 mph
Wind Gust: 17 mph
Clouds: 100%
Visibility: 10 km
Sunrise: 6:35 am
Sunset: 7:10 pm
  • Temperature
  • Precipitation
  • Rain Chance
  • Wind
  • Humidity
  • Pressure
11:00 am
temperature icon
50°/53°°F 0 mm 0% 6 mph 69% 1014 mb 0 mm/h
2:00 pm
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53°/57°°F 0 mm 0% 10 mph 61% 1013 mb 0 mm/h
5:00 pm
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54°/56°°F 0 mm 0% 8 mph 49% 1011 mb 0 mm/h
8:00 pm
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50°/50°°F 0 mm 0% 3 mph 62% 1012 mb 0 mm/h
11:00 pm
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50°/50°°F 0 mm 0% 2 mph 74% 1014 mb 0 mm/h
2:00 am
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47°/47°°F 0 mm 0% 8 mph 58% 1016 mb 0 mm/h
5:00 am
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47°/47°°F 0 mm 0% 8 mph 56% 1017 mb 0 mm/h
8:00 am
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50°/50°°F 0 mm 0% 15 mph 27% 1019 mb 0 mm/h