May 5, 2026 7:42 AM

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
7:42 am, May 5, 2026
temperature icon 46°F
overcast clouds
Humidity: 84 %
Pressure: 1013 mb
Wind: 12 mph
Wind Gust: 13 mph
Clouds: 100%
Visibility: 10 km
Sunrise: 5:55 am
Sunset: 7:36 pm
  • Temperature
  • Precipitation
  • Rain Chance
  • Wind
  • Humidity
  • Pressure
8:00 am
temperature icon
45°/46°°F 0.28 mm 28% 6 mph 84% 1013 mb 0 mm/h
11:00 am
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47°/49°°F 0.36 mm 36% 9 mph 77% 1013 mb 0 mm/h
2:00 pm
temperature icon
48°/49°°F 0.2 mm 20% 10 mph 63% 1012 mb 0 mm/h
5:00 pm
temperature icon
47°/47°°F 0 mm 0% 7 mph 51% 1011 mb 0 mm/h
8:00 pm
temperature icon
46°/46°°F 0 mm 0% 8 mph 66% 1013 mb 0 mm/h
11:00 pm
temperature icon
46°/46°°F 0 mm 0% 7 mph 78% 1016 mb 0 mm/h
2:00 am
temperature icon
45°/45°°F 0 mm 0% 5 mph 83% 1016 mb 0 mm/h
5:00 am
temperature icon
44°/44°°F 0 mm 0% 4 mph 82% 1016 mb 0 mm/h