May 20, 2026 1:03 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
1:03 am, May 20, 2026
temperature icon 56°F
clear sky
Humidity: 17 %
Pressure: 1015 mb
Wind: 4 mph
Wind Gust: 8 mph
Clouds: 0%
Visibility: 10 km
Sunrise: 5:43 am
Sunset: 7:48 pm
  • Temperature
  • Precipitation
  • Rain Chance
  • Wind
  • Humidity
  • Pressure
2:00 am
temperature icon
51°/56°°F 0 mm 0% 3 mph 17% 1015 mb 0 mm/h
5:00 am
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50°/54°°F 0 mm 0% 7 mph 18% 1015 mb 0 mm/h
8:00 am
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59°/60°°F 0 mm 0% 5 mph 15% 1015 mb 0 mm/h
11:00 am
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70°/70°°F 0 mm 0% 8 mph 10% 1014 mb 0 mm/h
2:00 pm
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76°/76°°F 0 mm 0% 1 mph 8% 1011 mb 0 mm/h
5:00 pm
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70°/70°°F 0 mm 0% 2 mph 9% 1009 mb 0 mm/h
8:00 pm
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65°/65°°F 0 mm 0% 6 mph 21% 1011 mb 0 mm/h
11:00 pm
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60°/60°°F 0 mm 0% 6 mph 27% 1012 mb 0 mm/h