July 21, 2026 12:17 AM

Hot Weather for the First Week of Spring

SOUTHERN CALIFORNIA, CA. (Pain In The Pass) >> This week’s weather forecast for Monday March 23 through Friday March 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 hot, sunny, and a high of 92°. Tuesday will be hot, sunny, with a high of 94°. Wednesday will be hot, mostly sunny, and a high of 94°. Thursday will be hot, mostly 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 warm, sunny, windy, and a high of 89+°. Tuesday will be hot, sunny, windy, and a high of 90+°. Wednesday will be hot sunny, windy and a high of 90+°. Thursday will be hot, sunny, windy, and a high of 88+°. Friday will be hot, mostly sunny, windy, and a high 87+°. Higher temps in the Barstow area.

Mountains Area Average Weather/Temps:

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

*Timing of the Weather on each day can change.

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Cajon Pass
12:17 am, Jul 21, 2026
temperature icon 73°F
scattered clouds
Humidity: 35 %
Pressure: 1014 mb
Wind: 11 mph
Wind Gust: 9 mph
Clouds: 27%
Visibility: 10 km
Sunrise: 5:52 am
Sunset: 7:59 pm
  • Temperature
  • Precipitation
  • Rain Chance
  • Wind
  • Humidity
  • Pressure
2:00 am
temperature icon
66°/70°°F 0.2 mm 20% 5 mph 41% 1014 mb 0 mm/h
5:00 am
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65°/68°°F 0 mm 0% 5 mph 46% 1014 mb 0 mm/h
8:00 am
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69°/69°°F 0 mm 0% 6 mph 36% 1015 mb 0 mm/h
11:00 am
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81°/81°°F 0 mm 0% 9 mph 24% 1014 mb 0 mm/h
2:00 pm
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87°/87°°F 0 mm 0% 10 mph 22% 1013 mb 0 mm/h
5:00 pm
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82°/82°°F 0 mm 0% 14 mph 26% 1012 mb 0 mm/h
8:00 pm
temperature icon
72°/72°°F 0 mm 0% 10 mph 43% 1014 mb 0 mm/h
11:00 pm
temperature icon
68°/68°°F 0 mm 0% 8 mph 54% 1016 mb 0 mm/h