August 13, 2026 10:51 PM

Warmer Temperatures in this Week 5 Day

SOUTHERN CALIFORNIA, CA. (Pain In The Pass) >> This week’s weather forecast for Monday June 8 through Friday June 12 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 warm, mostly sunny with morning fog, windy, and a high 84°. Tuesday will be warm, mostly sunny with morning fog, windy, with a high of 85°. Wednesday will be warm, mostly sunny with morning fog, windy, and a high of 90°. Thursday will be hot, sunny, and a high of 91°. Friday will be hot, sunny, and a high of 91°.

High Deserts Area Average Weather/Temps:

Monday will be hot, mostly sunny, windy, and a high of 88+°. Tuesday will be hot, mostly sunny, windy, and a high of 90+°. Wednesday will be warm, sunny, gusty winds and a high of 98+°. Thursday will be hot, sunny, windy, and a high of 100+°. Friday will be hot, sunny, windy, and a high 100+°. Higher temps in the Barstow area.

Mountains Area Average Weather/Temps:

Monday will be cool, mostly sunny, windy, and a high of 73°. Tuesday will be warm, mostly sunny, windy, and a high of 75°. Wednesday will be warm, mostly sunny, windy, and a high of 79°. Thursday will be warm, sunny, windy and a high of 82°. Friday will be warm, sunny, windy, and a high of 82°.

*Timing of the Weather on each day can change.

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Cajon Pass
10:51 pm, Aug 13, 2026
temperature icon 64°F
overcast clouds
Humidity: 74 %
Pressure: 1015 mb
Wind: 8 mph
Wind Gust: 9 mph
Clouds: 89%
Visibility: 10 km
Sunrise: 6:09 am
Sunset: 7:39 pm
  • Temperature
  • Precipitation
  • Rain Chance
  • Wind
  • Humidity
  • Pressure
11:00 pm
temperature icon
61°/64°°F 0 mm 0% 8 mph 74% 1015 mb 0 mm/h
2:00 am
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61°/63°°F 0 mm 0% 7 mph 76% 1015 mb 0 mm/h
5:00 am
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62°/62°°F 0 mm 0% 3 mph 77% 1015 mb 0 mm/h
8:00 am
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66°/66°°F 0 mm 0% 3 mph 55% 1015 mb 0 mm/h
11:00 am
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76°/76°°F 0 mm 0% 9 mph 28% 1014 mb 0 mm/h
2:00 pm
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80°/80°°F 0 mm 0% 18 mph 25% 1014 mb 0 mm/h
5:00 pm
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78°/78°°F 0 mm 0% 16 mph 25% 1013 mb 0 mm/h
8:00 pm
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67°/67°°F 0 mm 0% 9 mph 49% 1015 mb 0 mm/h