August 25, 2026 12:09 AM

Hot August Days and Nights in this Weeks 5 Day Forecast

OUTHERN CALIFORNIA, CA. (Pain In The Pass) >> This week weather forecast for Monday August 24 through Friday August 28 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 hot, mostly sunny, and a high 103°. Tuesday will be hot, mostly sunny, with a high of 104°. Wednesday will be hot, mostly sunny, and a high of 104°. Thursday will be hot, mostly sunny, and a high of 106°. Friday will be hot, mostly sunny, and a high of 107°.  

High Deserts Area Average Weather/Temps:

Monday will be hot, sunny, windy, and a high of 104+°. Tuesday will be hot, sunny, windy, and a high of 105+°. Wednesday will be hot, mostly sunny, windy and a high of 107+°. Thursday will be hot, mostly sunny, windy, and a high of 107+°. Friday will be hot, mostly sunny, windy, and a high 108+°. Higher temps in the Barstow area.    

Weather

Mountains Area Average Weather/Temps:

Monday will be hot, sunny, windy, and a high of 84°. Tuesday will be hot, sunny, windy, and a high of 86°. Wednesday will be hot, sunny, windy, and a high of 88°. Thursday will be hot, mostly sunny, windy and a high of 88°. Friday will be hot, mostly sunny, windy, and a high of 89°.

*Timing of the Weather on each day can change.

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Cajon Pass
12:09 am, Aug 25, 2026
temperature icon 76°F
clear sky
Humidity: 25 %
Pressure: 1015 mb
Wind: 4 mph
Wind Gust: 3 mph
Clouds: 2%
Visibility: 10 km
Sunrise: 6:17 am
Sunset: 7:26 pm
  • Temperature
  • Precipitation
  • Rain Chance
  • Wind
  • Humidity
  • Pressure
2:00 am
temperature icon
69°/74°°F 0 mm 0% 1 mph 30% 1014 mb 0 mm/h
5:00 am
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67°/70°°F 0 mm 0% 2 mph 29% 1015 mb 0 mm/h
8:00 am
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76°/76°°F 0 mm 0% 1 mph 21% 1016 mb 0 mm/h
11:00 am
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88°/88°°F 0 mm 0% 3 mph 16% 1015 mb 0 mm/h
2:00 pm
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93°/93°°F 0 mm 0% 6 mph 15% 1012 mb 0 mm/h
5:00 pm
temperature icon
90°/90°°F 0 mm 0% 10 mph 16% 1011 mb 0 mm/h
8:00 pm
temperature icon
80°/80°°F 0 mm 0% 6 mph 34% 1013 mb 0 mm/h
11:00 pm
temperature icon
74°/74°°F 0 mm 0% 1 mph 42% 1014 mb 0 mm/h