April 2, 2026 4:56 AM

A Brief Heatwave in the 5 Day Forecast

SOUTHERN CALIFORNIA, CA. (Pain In The Pass) >> This week’s weather forecast for Monday August 4 through Friday August 8 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 of 95°. Tuesday will be hot, sunny, with a high of 97°. Wednesday will be hot, sunny, and a high of 99°. Thursday will be hot, mostly sunny, and a high of 101°. Friday will be hot, mostly sunny, and a high of 99°.

High Deserts Area Average Weather/Temps:

Monday will be hot, sunny, windy, and a high of 96+°. Tuesday will be hot, sunny, windy, and a high of 99+°. Wednesday will be hot, sunny, windy and a high of 102+°. Thursday will be hot, mostly sunny, windy, and a high of 105+°. Friday will be hot, mostly sunny, windy, and a high 105+°. Higher temps in the Barstow area.

Mountains Area Average Weather/Temps:

Monday will be warm, sunny, windy, and a high of 82°. Tuesday will be warm, sunny, windy, and a high of 83°. Wednesday will be warm, sunny, windy and a high of 84°. Thursday will be warm, mostly sunny, windy, and a high of 86°. Friday will be warm, mostly sunny, windy, and a high of 84°.

*Timing/Weather on each day can change.

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Cajon Pass
4:56 am, Apr 2, 2026
temperature icon 47°F
broken clouds
Humidity: 89 %
Pressure: 1013 mb
Wind: 10 mph
Wind Gust: 15 mph
Clouds: 63%
Visibility: 10 km
Sunrise: 6:35 am
Sunset: 7:10 pm
  • Temperature
  • Precipitation
  • Rain Chance
  • Wind
  • Humidity
  • Pressure
5:00 am
temperature icon
46°/47°°F 0.17 mm 17% 10 mph 89% 1013 mb 0 mm/h
8:00 am
temperature icon
46°/47°°F 0 mm 0% 7 mph 86% 1013 mb 0 mm/h
11:00 am
temperature icon
52°/54°°F 0 mm 0% 6 mph 69% 1013 mb 0 mm/h
2:00 pm
temperature icon
59°/59°°F 0 mm 0% 11 mph 42% 1011 mb 0 mm/h
5:00 pm
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57°/57°°F 0 mm 0% 11 mph 38% 1009 mb 0 mm/h
8:00 pm
temperature icon
54°/54°°F 0 mm 0% 4 mph 65% 1012 mb 0 mm/h
11:00 pm
temperature icon
50°/50°°F 0 mm 0% 2 mph 73% 1014 mb 0 mm/h
2:00 am
temperature icon
47°/47°°F 0 mm 0% 9 mph 54% 1016 mb 0 mm/h