April 21, 2026 4:23 AM

Roadwork This Week On Hwy 138 In Hesperia

HESPERIA, CA. (Pain In The Pass) >> Roadwork is planned all week on Highway 138. Expect delays if you are traveling to Silverwood Lake.

Monday August 15 through Wednesday August 17.

  • There will only be one-way traffic on Highway 138 between Summit Valley Rd. and Hwy 173.
  • Caltrans will be widening the shoulder and paving on Hwy 138
  • 8am. to 3am.*

Expect heavy delays.

– Also roadwork on Arrowhead Rd. that connects to Hwy 173, they are repainting sections of the road this week that may also cause traffic delays.

Be sure to plan your commutes wisely this week.

*Times can subject to change and could go longer or start earlier. Please use caution and remember to reduce your speed when approaching and driving through the construction zones. Schedules are subject to change due to inclement weather or construction issues.

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Cajon Pass
4:23 am, Apr 21, 2026
temperature icon 43°F
scattered clouds
Humidity: 66 %
Pressure: 1016 mb
Wind: 9 mph
Wind Gust: 10 mph
Clouds: 43%
Visibility: 10 km
Sunrise: 6:10 am
Sunset: 7:25 pm
  • Temperature
  • Precipitation
  • Rain Chance
  • Wind
  • Humidity
  • Pressure
5:00 am
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43°/43°°F 0 mm 0% 8 mph 60% 1015 mb 0 mm/h
8:00 am
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45°/50°°F 0 mm 0% 11 mph 53% 1015 mb 0 mm/h
11:00 am
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54°/60°°F 0 mm 0% 16 mph 39% 1015 mb 0 mm/h
2:00 pm
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62°/62°°F 0 mm 0% 21 mph 40% 1014 mb 0 mm/h
5:00 pm
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55°/55°°F 0 mm 0% 17 mph 71% 1014 mb 0 mm/h
8:00 pm
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51°/51°°F 0.36 mm 36% 15 mph 74% 1015 mb 0 mm/h
11:00 pm
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46°/46°°F 0.06 mm 6% 11 mph 75% 1017 mb 0 mm/h
2:00 am
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45°/45°°F 0 mm 0% 11 mph 81% 1017 mb 0 mm/h