April 21, 2026 6:48 AM

Mild Temps then a Small Warm-Up later in the Week

SOUTHERN CALIFORNIA, CA. (Pain In The Pass) >> This week’s weather forecast for Monday June 23 through Friday June 27 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/clouds, and a high of 84°. Tuesday will be warm, mostly sunny with morning fog/clouds, with a high of 85°. Wednesday will be hot, sunny with a chance of morning fog/clouds, and a high of 92°. Thursday will be hot, sunny, and a high of 93°. Friday will be hot, mostly sunny, and a high of 95°.

High Deserts Area Average Weather/Temps:

Monday will be hot, sunny, windy, and a high of 88+°. Tuesday will be hot, sunny, windy, and a high of 90+°. Wednesday will be hot, sunny, windy and a high of 97+°. Thursday will be hot, sunny, windy, and a high of 100+°. Friday will be hot, mostly sunny, windy, and a high 100+°. Higher temps in the Barstow area.

Mountains Area Average Weather/Temps:

Monday will be warm, sunny, windy, and a high of 71°. 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 warm, mostly sunny, windy, and a high of 80°. Friday will be cool, mostly sunny, windy, and a high of 81°.

*Timing/Weather on each day may change.

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Cajon Pass
6:48 am, Apr 21, 2026
temperature icon 44°F
scattered clouds
Humidity: 56 %
Pressure: 1016 mb
Wind: 9 mph
Wind Gust: 12 mph
Clouds: 25%
Visibility: 10 km
Sunrise: 6:10 am
Sunset: 7:25 pm
  • Temperature
  • Precipitation
  • Rain Chance
  • Wind
  • Humidity
  • Pressure
8:00 am
temperature icon
48°/48°°F 0 mm 0% 11 mph 45% 1015 mb 0 mm/h
11:00 am
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51°/58°°F 0 mm 0% 17 mph 41% 1015 mb 0 mm/h
2:00 pm
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57°/61°°F 0 mm 0% 22 mph 42% 1014 mb 0 mm/h
5:00 pm
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55°/55°°F 0 mm 0% 20 mph 60% 1014 mb 0 mm/h
8:00 pm
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49°/49°°F 0.26 mm 26% 15 mph 68% 1015 mb 0 mm/h
11:00 pm
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38°/38°°F 0 mm 0% 11 mph 73% 1017 mb 0 mm/h
2:00 am
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45°/45°°F 0 mm 0% 11 mph 79% 1017 mb 0 mm/h
5:00 am
temperature icon
43°/43°°F 0 mm 0% 7 mph 82% 1018 mb 0 mm/h