September 23, 2026 4:41 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
4:41 pm, Sep 23, 2026
temperature icon 87°F
clear sky
Humidity: 15 %
Pressure: 1010 mb
Wind: 3 mph
Wind Gust: 9 mph
Clouds: 6%
Visibility: 10 km
Sunrise: 6:38 am
Sunset: 6:45 pm
  • Temperature
  • Precipitation
  • Rain Chance
  • Wind
  • Humidity
  • Pressure
5:00 pm
temperature icon
78°/87°°F 0 mm 0% 5 mph 15% 1010 mb 0 mm/h
8:00 pm
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69°/81°°F 0 mm 0% 3 mph 18% 1011 mb 0 mm/h
11:00 pm
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64°/72°°F 0 mm 0% 6 mph 27% 1012 mb 0 mm/h
2:00 am
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61°/61°°F 0 mm 0% 2 mph 31% 1014 mb 0 mm/h
5:00 am
temperature icon
61°/61°°F 0 mm 0% 2 mph 27% 1014 mb 0 mm/h
8:00 am
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68°/68°°F 0 mm 0% 2 mph 21% 1015 mb 0 mm/h
11:00 am
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81°/81°°F 0 mm 0% 6 mph 15% 1014 mb 0 mm/h
2:00 pm
temperature icon
85°/85°°F 0 mm 0% 7 mph 12% 1011 mb 0 mm/h