February 21, 2026 9:35 AM

Warm-Up then a Drop in Temps, in this Weeks 5 Day

SOUTHERN CALIFORNIA, CA. (Pain In The Pass) >> This week’s weather forecast for Monday June 16 through Friday June 20 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 hot, mostly sunny with a chance of morning fog/clouds, and a high of 95°. Tuesday will be hot, mostly sunny with a chance of morning fog/clouds, with a high of 94°. Wednesday will be hot, sunny, and a high of 95°. Thursday will be hot, sunny with morning fog/clouds, and a high of 93°. Friday will be hot, mostly sunny with morning fog/clouds, and a high of 90°.

High Deserts Area Average Weather/Temps:

Monday will be hot, sunny, windy, and a high of 98+°. Tuesday will be hot, sunny, windy, and a high of 98+°. Wednesday will be hot, sunny, windy and a high of 102+°. 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 83°. Tuesday will be warm, sunny, windy, and a high of 83°. Wednesday will be warm, sunny, windy and a high of 85°. Thursday will be warm, mostly sunny, windy, and a high of 83°. Friday will be cool, mostly sunny, windy, and a high of 80°.

*Timing/Weather on each day may change.

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Cajon Pass
9:35 am, Feb 21, 2026
temperature icon 42°F
clear sky
Humidity: 45 %
Pressure: 1023 mb
Wind: 6 mph
Wind Gust: 7 mph
Clouds: 3%
Visibility: 10 km
Sunrise: 6:28 am
Sunset: 5:38 pm
  • Temperature
  • Precipitation
  • Rain Chance
  • Wind
  • Humidity
  • Pressure
10:00 am
temperature icon
42°/45°°F 0 mm 0% 5 mph 45% 1023 mb 0 mm/h
1:00 pm
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46°/53°°F 0 mm 0% 4 mph 43% 1023 mb 0 mm/h
4:00 pm
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47°/49°°F 0 mm 0% 6 mph 36% 1022 mb 0 mm/h
7:00 pm
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43°/43°°F 0 mm 0% 4 mph 45% 1024 mb 0 mm/h
10:00 pm
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44°/44°°F 0 mm 0% 4 mph 44% 1025 mb 0 mm/h
1:00 am
temperature icon
42°/42°°F 0 mm 0% 5 mph 44% 1025 mb 0 mm/h
4:00 am
temperature icon
39°/39°°F 0 mm 0% 5 mph 46% 1026 mb 0 mm/h
7:00 am
temperature icon
41°/41°°F 0 mm 0% 6 mph 45% 1026 mb 0 mm/h