August 31, 2026 10:59 PM

4th of July Weekend Forecast

SOUTHERN CALIFORNIA, CA. (Pain In The Pass) >> This weekend weather forecast for Friday July 3rd through Friday July 5th for Southern California. Check out the 5-day forecast below in your area.

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

Friday will be warm, mostly sunny, and a high 89°. Saturday will be warm, mostly sunny, and a high of 89°. Sunday will be warm, mostly sunny, and a high of 88°.

High Deserts Area Average Weather/Temps:

Friday will be hot, sunny, windy, and a high of 92+°. Saturday will be hot, mostly sunny, windy, and a high of 94+°. Sunday will be hot, mostly sunny, windy and a high of 96+°. Higher temps in the Barstow area.

Mountains Area Average Weather/Temps:

Friday will be warm, sunny, windy, and a high of 78°. Saturday will be warm, mostly sunny, windy, and a high of 80°. Sunday will be warm, mostly sunny, windy, and a high of 81°.

*Timing of the Weather on each day can change.

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Cajon Pass
10:59 pm, Aug 31, 2026
temperature icon 65°F
clear sky
Humidity: 24 %
Pressure: 1014 mb
Wind: 12 mph
Wind Gust: 14 mph
Clouds: 0%
Visibility: 10 km
Sunrise: 6:22 am
Sunset: 7:17 pm
  • Temperature
  • Precipitation
  • Rain Chance
  • Wind
  • Humidity
  • Pressure
11:00 pm
temperature icon
60°/65°°F 0 mm 0% 10 mph 24% 1014 mb 0 mm/h
2:00 am
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60°/63°°F 0 mm 0% 8 mph 32% 1014 mb 0 mm/h
5:00 am
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57°/60°°F 0 mm 0% 8 mph 42% 1014 mb 0 mm/h
8:00 am
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65°/65°°F 0 mm 0% 7 mph 33% 1015 mb 0 mm/h
11:00 am
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76°/76°°F 0 mm 0% 13 mph 15% 1014 mb 0 mm/h
2:00 pm
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78°/78°°F 0 mm 0% 20 mph 15% 1012 mb 0 mm/h
5:00 pm
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73°/73°°F 0 mm 0% 19 mph 17% 1012 mb 0 mm/h
8:00 pm
temperature icon
64°/64°°F 0 mm 0% 11 mph 32% 1014 mb 0 mm/h