August 16, 2026 7:24 PM

Light Rain Showers at the beginning, then a Warming Trend at the end of the 5 Day

SOUTHERN CALIFORNIA, CA. (Pain In The Pass) >> This week’s weather forecast for Monday May 4 through Friday May 8 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 cool, mostly cloudy with a small chance of light rain showers, and a high of 68°. Tuesday will be cool, partly sunny with a small chance of light rain showers, with a high of 67°. Wednesday will be warm, mostly sunny, and a high of 79°. Thursday will be warm, sunny, and a high of 87°. Friday will be warm, mostly sunny, and a high of 89°.

High Deserts Area Average Weather/Temps:

Monday will be cool, mosty sunny, gusty winds, and a high of 64+°. Tuesday will be cool, mostly sunny, gusty winds, and a high of 64+°. Wednesday will be warm, sunny, windy and a high of 82+°. Thursday will be hot, sunny, windy, and a high of 90+°. Friday will be hot, mostly sunny, windy, and a high 92+°. Higher temps in the Barstow area.

Mountains Area Average Weather/Temps:

Monday will be cold, partly sunny with a small chance of light rain showers, gusty winds, and a high of 51°. Tuesday will be cold, partly sunny with a small chance of light rain showers, gusty winds, and a high of 47°. Wednesday will be cold, partly sunny, windy, and a high of 62°. Thursday will be cool, sunny, windy and a high of 71°. Friday will be cool, mostly sunny, windy, and a high of 75°.

*Timing of the Weather on each day can change.

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Cajon Pass
7:24 pm, Aug 16, 2026
temperature icon 82°F
few clouds
Humidity: 22 %
Pressure: 1013 mb
Wind: 13 mph
Wind Gust: 10 mph
Clouds: 21%
Visibility: 10 km
Sunrise: 6:11 am
Sunset: 7:36 pm
  • Temperature
  • Precipitation
  • Rain Chance
  • Wind
  • Humidity
  • Pressure
8:00 pm
temperature icon
73°/82°°F 0 mm 0% 5 mph 22% 1015 mb 0 mm/h
11:00 pm
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69°/78°°F 0 mm 0% 2 mph 29% 1016 mb 0 mm/h
2:00 am
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66°/71°°F 0 mm 0% 2 mph 37% 1016 mb 0 mm/h
5:00 am
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62°/62°°F 0 mm 0% 2 mph 45% 1016 mb 0 mm/h
8:00 am
temperature icon
71°/71°°F 0 mm 0% 1 mph 30% 1017 mb 0 mm/h
11:00 am
temperature icon
82°/82°°F 0 mm 0% 4 mph 23% 1015 mb 0 mm/h
2:00 pm
temperature icon
88°/88°°F 0 mm 0% 19 mph 19% 1013 mb 0 mm/h
5:00 pm
temperature icon
86°/86°°F 0 mm 0% 15 mph 19% 1012 mb 0 mm/h