March 8, 2026 2:31 PM

Summer like Temps in the 5 Day

SOUTHERN CALIFORNIA, CA. (Pain In The Pass) >> This week’s weather forecast for Monday May 19 through Friday May 23 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, sunny, and a high of 86°. Tuesday will be hot, sunny, with a high of 92°. Wednesday will be hot, sunny, and a high of 100°. Thursday will be hot, mostly sunny, and a high of 100°. Friday will be hot, mostly sunny, and a high of 95°.

High Deserts Area Average Weather/Temps:

Monday will be warm, sunny, windy, and a high of 84+°. Tuesday will be hot, sunny, windy, and a high of 92+°. Wednesday will be hot, sunny, windy and a high of 98+°. Thursday will be hot, mostly sunny, windy, and a high of 98+°. Friday will be hot, mostly sunny, windy, and a high 95+°. Higher temps in the Barstow area.

Mountains Area Average Weather/Temps:

Monday will be warm, sunny, windy, and a high of 67°. Tuesday will be warm, sunny, windy, and a high of 72°. Wednesday will be warm, sunny, windy and a high of 77°. Thursday will be cool, mostly sunny, windy, and a high of 78°. Friday will be cold, mostly sunny, windy, and a high of 76°.

*Timing/Weather on each day may change.

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Cajon Pass
2:31 pm, Mar 8, 2026
temperature icon 67°F
clear sky
Humidity: 13 %
Pressure: 1014 mb
Wind: 9 mph
Wind Gust: 6 mph
Clouds: 0%
Visibility: 10 km
Sunrise: 7:09 am
Sunset: 6:51 pm
  • Temperature
  • Precipitation
  • Rain Chance
  • Wind
  • Humidity
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5:00 pm
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64°/66°°F 0 mm 0% 13 mph 14% 1013 mb 0 mm/h
8:00 pm
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54°/58°°F 0 mm 0% 6 mph 19% 1013 mb 0 mm/h
11:00 pm
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52°/52°°F 0 mm 0% 4 mph 24% 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