February 21, 2026 9:18 AM

Monday September 30 – Friday October 4 Work Week’s Forecast for SoCal

SOUTHERN CALIFORNIA, CA. (Pain In The Pass) >> This week’s weather forecast for Monday September 30 through Friday October 4 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, sunny, and a high of 100°. Tuesday will be hot, sunny with some clouds, and a high of 103°. Wednesday will be hot, mostly sunny, and a high of 103°. Thursday will be hot, mostly sunny, and a high of 101°. Friday will be hot, mostly sunny, and a high of 100°.

High Deserts Area Aveage Weather/Temps:

Monday will be hot, sunny, and a high of 102+°. Tuesday will be hot, sunny with a small chance of T-storms, windy, and a high of 105+°. Wednesday will be hot, sunny with a small chance of T-storms, windy, and a high of 105+°. Thursday will be hot, mostly sunny, and a high of 103+°. Friday will be hot, mostly sunny, and windy, and a high 102+°. Higher temps in the Barstow area.

Mountains Area Aveage Weather/Temps:

Monday will be cool, sunny, windy, and a high of 82°. Tuesday will be warm, sunny with a small chance of T-storms, windy, and a high of 85°. Wednesday will be warm, sunny with a small chance of T-storms, windy and a high of 85°. Thursday will be warm, sunny, windy, and a high of 83°. Friday will be warm, sunny, windy, and a high of 82°.

*Timing/Weather on each day may change.

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Cajon Pass
9:18 am, Feb 21, 2026
temperature icon 42°F
clear sky
Humidity: 44 %
Pressure: 1022 mb
Wind: 11 mph
Wind Gust: 11 mph
Clouds: 3%
Visibility: 10 km
Sunrise: 6:28 am
Sunset: 5:38 pm
  • Temperature
  • Precipitation
  • Rain Chance
  • Wind
  • Humidity
  • Pressure
10:00 am
temperature icon
42°/44°°F 0 mm 0% 5 mph 44% 1023 mb 0 mm/h
1:00 pm
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46°/54°°F 0 mm 0% 4 mph 43% 1023 mb 0 mm/h
4:00 pm
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47°/49°°F 0 mm 0% 6 mph 36% 1022 mb 0 mm/h
7:00 pm
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43°/43°°F 0 mm 0% 4 mph 45% 1024 mb 0 mm/h
10:00 pm
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44°/44°°F 0 mm 0% 4 mph 44% 1025 mb 0 mm/h
1:00 am
temperature icon
42°/42°°F 0 mm 0% 5 mph 44% 1025 mb 0 mm/h
4:00 am
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39°/39°°F 0 mm 0% 5 mph 46% 1026 mb 0 mm/h
7:00 am
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41°/41°°F 0 mm 0% 6 mph 45% 1026 mb 0 mm/h