February 20, 2026 3:59 AM

Sunshine and Cool Temps in this 5 Day Forecast

SOUTHERN CALIFORNIA, CA. (Pain In The Pass) >> This week’s weather forecast for Monday Febuary 17 through Friday Febuary 21 for Southern California. Check out the 5-day forecast below in your area.

Cajon Pass/Inland Empire Valley Area Aveage Weather/Temps:

Monday will be cool, sunny, and a high of 68°. Tuesday will be cool, partly cloudy with morning fog, and a high of 67°. Wednesday will be cool, sunny and a high of 70°. Thursday will be cool, mostly sunny with gusty winds, and a high of 71°. Friday will be cool, mostly sunny, and a high of 72°.

High Deserts Area Aveage Weather/Temps:

Monday will be cool, sunny, windy, and a high of 68+°. Tuesday will be cold, mostly sunny, windy, and a high of 66+°. Wednesday will be cold, mostly sunny with gusty winds, windy and a high of 69+°. Thursday will be cold, mostly sunny, windy, and a high of 65+°. Friday will be cold, mostly sunny, and windy, and a high 67°. Higher temps in the Barstow area.

Mountains Area Aveage Weather/Temps:

Monday will be cold, sunny, windy, and a high of 54°. Tuesday will be cold, mostly sunny, windy, and a high of 50°. Wednesday will be cold, mostly sunny, gusty winds and a high of 54°. Thursday will be cold, mostly sunny, gusty winds, and a high of 52°. Friday will be cold, mostly sunny, windy, and a high of 53°.

*Timing/Weather on each day may change.

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Cajon Pass
3:59 am, Feb 20, 2026
temperature icon 31°F
broken clouds
Humidity: 71 %
Pressure: 1014 mb
Wind: 2 mph
Wind Gust: 0 mph
Clouds: 81%
Visibility: 10 km
Sunrise: 6:29 am
Sunset: 5:37 pm
  • Temperature
  • Precipitation
  • Rain Chance
  • Wind
  • Humidity
  • Pressure
4:00 am
temperature icon
31°/31°°F 0.2 mm 20% 3 mph 71% 1014 mb 0.23 mm/h
7:00 am
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32°/33°°F 0 mm 0% 3 mph 74% 1015 mb 0 mm/h
10:00 am
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37°/40°°F 0 mm 0% 7 mph 63% 1016 mb 0 mm/h
1:00 pm
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47°/47°°F 0 mm 0% 3 mph 51% 1017 mb 0 mm/h
4:00 pm
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42°/42°°F 0 mm 0% 2 mph 51% 1016 mb 0 mm/h
7:00 pm
temperature icon
37°/37°°F 0 mm 0% 6 mph 63% 1018 mb 0 mm/h
10:00 pm
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35°/35°°F 0 mm 0% 3 mph 65% 1021 mb 0 mm/h
1:00 am
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34°/34°°F 0 mm 0% 4 mph 66% 1021 mb 0 mm/h