March 9, 2026 1:06 AM

Small Cool Down in this Weeks 5 Day Forecast

SOUTHERN CALIFORNIA, CA. (Pain In The Pass) >> This week’s weather forecast for Monday August 11 through Friday August 15 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 98°. Tuesday will be hot, sunny, with a high of 95°. Wednesday will be hot, sunny, and a high of 94°. Thursday will be hot, mostly sunny, and a high of 93°. Friday will be hot, mostly sunny, and a high of 91°.

High Deserts Area Average Weather/Temps:

Monday will be hot, mostly sunny, windy, and a high of 106+°. Tuesday will be hot, sunny, windy, and a high of 104+°. Wednesday will be hot, sunny, windy and a high of 102+°. Thursday will be hot, mostly sunny, windy, and a high of 98+°. Friday will be hot, mostly sunny, windy, and a high 95+°. Higher temps in the Barstow area.

Mountains Area Average Weather/Temps:

Monday will be warm, mostly sunny, windy, and a high of 86°. Tuesday will be warm, sunny, windy, and a high of 85°. Wednesday will be warm, sunny, windy and a high of 84°. Thursday will be warm, mostly sunny, windy, and a high of 82°. Friday will be warm, mostly sunny, windy, and a high of 80°.

*Timing of the Weather on each day can change.

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Cajon Pass
1:06 am, Mar 9, 2026
temperature icon 50°F
clear sky
Humidity: 21 %
Pressure: 1015 mb
Wind: 4 mph
Wind Gust: 3 mph
Clouds: 0%
Visibility: 10 km
Sunrise: 7:08 am
Sunset: 6:52 pm
  • Temperature
  • Precipitation
  • Rain Chance
  • Wind
  • Humidity
  • Pressure
2:00 am
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46°/50°°F 0 mm 0% 3 mph 21% 1013 mb 0 mm/h
5:00 am
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44°/48°°F 0 mm 0% 3 mph 26% 1012 mb 0 mm/h
8:00 am
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49°/49°°F 0 mm 0% 2 mph 29% 1012 mb 0 mm/h
11:00 am
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58°/58°°F 0 mm 0% 6 mph 38% 1012 mb 0 mm/h
2:00 pm
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59°/59°°F 0 mm 0% 6 mph 27% 1010 mb 0 mm/h
5:00 pm
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60°/60°°F 0 mm 0% 7 mph 38% 1010 mb 0 mm/h
8:00 pm
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52°/52°°F 0 mm 0% 5 mph 69% 1012 mb 0 mm/h
11:00 pm
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49°/49°°F 0 mm 0% 4 mph 79% 1014 mb 0 mm/h