May 16, 2026 10:38 PM

Warm Up in this Weeks 5 Day Forecast

SOUTHERN CALIFORNIA, CA. (Pain In The Pass) >> This week’s weather forecast for Monday May 26 through Friday May 30 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, morning clouds/fog then sunny, and a high of 80°. Tuesday will be hot, mostly sunny, with a high of 84°. Wednesday will be hot, sunny, and a high of 84°. Thursday will be hot, mostly sunny, and a high of 86°. Friday will be hot, mostly sunny, and a high of 94°.

High Deserts Area Average Weather/Temps:

Monday will be warm, sunny, windy, and a high of 82+°. Tuesday will be hot, sunny, windy, and a high of 88+°. Wednesday will be hot, sunny, windy and a high of 91+°. Thursday will be hot, mostly sunny, windy, and a high of 92+°. Friday will be hot, mostly sunny, windy, and a high 97+°. Higher temps in the Barstow area.

Mountains Area Average Weather/Temps:

Monday will be cool, sunny, windy, and a high of 70°. Tuesday will be cool, sunny, windy, and a high of 72°. Wednesday will be warm, sunny, windy and a high of 74°. Thursday will be warm, mostly sunny, windy, and a high of 74°. Friday will be warm, mostly sunny, windy, and a high of 79°.

*Timing/Weather on each day may change.

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Cajon Pass
10:38 pm, May 16, 2026
temperature icon 53°F
clear sky
Humidity: 79 %
Pressure: 1009 mb
Wind: 9 mph
Wind Gust: 9 mph
Clouds: 3%
Visibility: 10 km
Sunrise: 5:46 am
Sunset: 7:45 pm
  • Temperature
  • Precipitation
  • Rain Chance
  • Wind
  • Humidity
  • Pressure
11:00 pm
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51°/53°°F 0 mm 0% 8 mph 79% 1009 mb 0 mm/h
2:00 am
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50°/52°°F 0 mm 0% 5 mph 76% 1009 mb 0 mm/h
5:00 am
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49°/50°°F 0 mm 0% 4 mph 67% 1008 mb 0 mm/h
8:00 am
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55°/55°°F 0 mm 0% 3 mph 45% 1007 mb 0 mm/h
11:00 am
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57°/57°°F 0 mm 0% 9 mph 38% 1005 mb 0 mm/h
2:00 pm
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69°/69°°F 0 mm 0% 13 mph 34% 1004 mb 0 mm/h
5:00 pm
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67°/67°°F 0 mm 0% 11 mph 38% 1002 mb 0 mm/h
8:00 pm
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58°/58°°F 0 mm 0% 10 mph 54% 1004 mb 0 mm/h