March 8, 2026 12:07 PM

Warm Up Trend in this Weeks 5 Day Forecast

SOUTHERN CALIFORNIA, CA. (Pain In The Pass) >> This week’s weather forecast for Monday May 5 through Friday May 9 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 cool, partly cloudy, morning fog, with a chance of rain showers, and a high of 68°. Tuesday will be cool, partly sunny, and a high of 72°. Wednesday will be warm, mostly sunny morning fog, and a high of 79°. Thursday will be warm, mostly sunny, and a high of 87°. Friday will be warm, mostly sunny, and a high of 91°.

High Deserts Area Average Weather/Temps:

Monday will be cool, partly cloudy with a chance of thunderstorms, windy, and a high of 72+°. Tuesday will be warm, sunny, windy, and a high of 77+°. Wednesday will be warm, sunny, windy and a high of 83+°. Thursday will be warm, mostly sunny, gusty winds, and a high of 88+°. Friday will be warm, mostly sunny, gusty winds, and a high 92+°. Higher temps in the Barstow area.

Mountains Area Average Weather/Temps:

Monday will be cold, partly cloudy with a chance of thunderstorms, wind, and a high of 54°. Tuesday will be cold, sunny, windy, and a high of 60°. Wednesday will be cold, sunny, windy and a high of 64°. Thursday will be cool, mostly sunny, windy, and a high of 69°. Friday will be cold, mostly sunny, windy, and a high of 73°.

*Timing/Weather on each day may change.

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Cajon Pass
12:07 pm, Mar 8, 2026
temperature icon 62°F
clear sky
Humidity: 16 %
Pressure: 1016 mb
Wind: 11 mph
Wind Gust: 9 mph
Clouds: 1%
Visibility: 10 km
Sunrise: 7:09 am
Sunset: 6:51 pm
  • Temperature
  • Precipitation
  • Rain Chance
  • Wind
  • Humidity
  • Pressure
2:00 pm
temperature icon
63°/65°°F 0 mm 0% 16 mph 17% 1015 mb 0 mm/h
5:00 pm
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63°/64°°F 0 mm 0% 13 mph 16% 1013 mb 0 mm/h
8:00 pm
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54°/54°°F 0 mm 0% 6 mph 22% 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
temperature icon
50°/50°°F 0 mm 0% 4 mph 21% 1011 mb 0 mm/h
8:00 am
temperature icon
51°/51°°F 0 mm 0% 1 mph 29% 1011 mb 0 mm/h
11:00 am
temperature icon
61°/61°°F 0 mm 0% 5 mph 27% 1011 mb 0 mm/h