August 16, 2026 6:47 AM

Hot Temps Still in the 5 Day Forecast

SOUTHERN CALIFORNIA, CA. (Pain In The Pass) >> This week weather forecast for Monday August 3 through Friday August 7 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, sunny, and a high 100°. Tuesday will be hot, sunny, with a high of 99°. Wednesday will be hot, sunny, and a high of 99°. Thursday will be hot, mostly sunny, and a high of 98°. Friday will be hot, mostly sunny, and a high of 98°. 

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 103+°. Wednesday will be hot, sunny, windy and a high of 102+°. Thursday will be hot, mostly sunny , windy, and a high of 102+°. Friday will be hot, mostly sunny, windy, and a high 102+°. Higher temps in the Barstow area.   

AtmosphericScience

Mountains Area Average Weather/Temps:

Monday will be hot, sunny, windy, and a high of 87°. Tuesday will be hot, sunny, windy, and a high of 87°. Wednesday will be hot, sunny, windy, and a high of 87°. Thursday will be hot, mostly sunny, windy and a high of 85°. Friday will be hot, mostly sunny, windy, and a high of 84°.

*Timing of the Weather on each day can change.

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Cajon Pass
6:47 am, Aug 16, 2026
temperature icon 66°F
clear sky
Humidity: 56 %
Pressure: 1018 mb
Wind: 1 mph
Wind Gust: 3 mph
Clouds: 5%
Visibility: 10 km
Sunrise: 6:11 am
Sunset: 7:36 pm
  • Temperature
  • Precipitation
  • Rain Chance
  • Wind
  • Humidity
  • Pressure
8:00 am
temperature icon
63°/66°°F 0 mm 0% 0 mph 56% 1018 mb 0 mm/h
11:00 am
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70°/77°°F 0 mm 0% 4 mph 48% 1018 mb 0 mm/h
2:00 pm
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79°/85°°F 0 mm 0% 15 mph 31% 1016 mb 0 mm/h
5:00 pm
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83°/83°°F 0 mm 0% 13 mph 21% 1014 mb 0 mm/h
8:00 pm
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75°/75°°F 0 mm 0% 6 mph 36% 1015 mb 0 mm/h
11:00 pm
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69°/69°°F 0 mm 0% 4 mph 42% 1017 mb 0 mm/h
2:00 am
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67°/67°°F 0 mm 0% 2 mph 45% 1016 mb 0 mm/h
5:00 am
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66°/66°°F 0 mm 0% 1 mph 45% 1016 mb 0 mm/h