March 8, 2026 3:50 PM

Monday September 9 – Friday September 13 Work Week’s Forecast for SoCal

SOUTHERN CALIFORNIA, CA. (Pain In The Pass) >> This week’s weather forecast for Monday September 9 through Friday September 13 for Southern California. Check out the 5-day forecast below in your area.

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

Monday will be hot, smoky but sunny, and a high of 106°. Tuesday will be hot, sunny, and a high of 100°. Wednesday will be warm, sunny, and a high of 87°. Thursday will be warm, mostly sunny, and a high of 82°. Friday will be warm, mostly sunny, and a high of 84°.

High Deserts Area Aveage Weather/Temps:

Monday will be hot, partly sunny with a chance of thunderstorms, windy, and a high of 101+°. Tuesday will be hot, sunny windy, and a high of 99+°. Wednesday will be hot, sunny, windy, and a high of 90+°. Thursday will be hot, sunny, windy, and a high of 85+°. Friday will be hot, sunny, and gusty winds, and a high 87+°. Higher temps in the Barstow area.

Mountains Area Aveage Weather/Temps:

Monday will be warm, partly sunny with a chance of thunderstorms, windy, and a high of 80°. Tuesday will be warm, sunny, windy, and a high of 80°. Wednesday will be warm, sunny, windy and a high of 75°. Thursday will be warm, sunny, windy, and a high of 70°. Friday will be warm, sunny, windy, and a high of 71°.

*Timing/Weather on each day may change.

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Cajon Pass
3:50 pm, Mar 8, 2026
temperature icon 69°F
clear sky
Humidity: 12 %
Pressure: 1013 mb
Wind: 10 mph
Wind Gust: 11 mph
Clouds: 1%
Visibility: 10 km
Sunrise: 7:09 am
Sunset: 6:51 pm
  • Temperature
  • Precipitation
  • Rain Chance
  • Wind
  • Humidity
  • Pressure
5:00 pm
temperature icon
64°/69°°F 0 mm 0% 13 mph 13% 1012 mb 0 mm/h
8:00 pm
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55°/64°°F 0 mm 0% 6 mph 16% 1012 mb 0 mm/h
11:00 pm
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52°/58°°F 0 mm 0% 4 mph 21% 1013 mb 0 mm/h
2:00 am
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49°/49°°F 0 mm 0% 4 mph 24% 1012 mb 0 mm/h
5:00 am
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50°/50°°F 0 mm 0% 4 mph 21% 1011 mb 0 mm/h
8:00 am
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51°/51°°F 0 mm 0% 1 mph 29% 1011 mb 0 mm/h
11:00 am
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61°/61°°F 0 mm 0% 5 mph 27% 1011 mb 0 mm/h
2:00 pm
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65°/65°°F 0 mm 0% 7 mph 27% 1009 mb 0 mm/h