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Cajon Pass Weather & Road Conditions
Cajon Pass Weather & Road Conditions
Elevation 3,777 ft · Updated Aug 24, 2026 12:07 AM UTC · Mostly dry
Lowest 91°F · Highest wind 20 mph
At the summit: Dry · 91°F · road surface est. 91°F · 18 mph wind · gusting 29 mph
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Cajon Pass carries Interstate 15 between the Los Angeles basin and the Mojave Desert at 3,777 feet, through the gap where the San Andreas Fault separates the San Bernardino and San Gabriel mountains. Snow reaches the summit in most winters, and it is one of the windiest stretches of the route.
- Elevation: 3,777 ft
- Carries: I-15
- State: California
- Road system: Interstate Highway System
Weather data from Aug 24, 2026 12:07 AM UTC
91°F
97°F
20 mph
1006-1009 hPa
See live weather and road conditions for Cajon Pass. Real-time surface conditions, radar, closures and DOT cameras on the interactive map for the climb and the summit, on I-15 in California.
Forecasts are generated for the next 6 hours at points along the pass and include temperature and conditions such as clear skies, rain, storms, snow, high wind, hail, and more.
No full closures are reported on Cajon Pass as of Aug 24, 2026 12:07 AM UTC, and no lane closures or roadworks either. Always check with the responsible state DOT before setting off.
Cajon Pass Chain Control & Traction Requirements
Chain and traction requirements on Cajon Pass are set by the state highway authority, and they are imposed and lifted through the day as a storm moves through. This page does not carry them — check QuickMap ↗ before you set off.
What this page can tell you is the surface at the summit, from radar and surface analysis: currently dry, with the road surface estimated at 91°F. The road surface figure is an estimate derived from air temperature, not a measurement — bridges and overpasses run colder than the number shown.
Cajon Pass Traffic Cameras
updating…I-15 : (129) 0.3 MI N/O RTE 138, Phelan
9 hours ago
I-15 : (219) 0.6mi South Of Kenwood, San Bernardino
9 hours ago
I-15 : (220) NB Kenwood On, San Bernardino
9 hours ago
I-15 : (221) 0.5mi n/o Kenwood, San Bernardino
9 hours ago
I-15 : (222) 1.25mi Kenwood, San Bernardino
9 hours ago
I-15 : (380) US-395, Hesperia
9 hours ago
Cajon Pass Road Weather FAQ
- Is Cajon Pass open right now?
- No full closures are reported on Cajon Pass. No lane closures or roadworks are reported either.
- What are Cajon Pass road conditions today?
- The map on this page colours the route along Cajon Pass by what is on the carriageway right now — dry, wet, slush, snow or ice — from radar and surface data, last updated Aug 24, 2026 12:07 AM UTC. Right now temperatures run from 91°F to 97°F and the strongest wind is 20 mph.
- Do I need chains on Cajon Pass today?
- Chain and traction requirements are set by the state highway authority and change through the day, so check them directly before you set off at QuickMap — this page does not carry them. What this page can tell you is that the surface at the summit is dry, and the road surface is estimated at 91°F.
- Are there live traffic cameras on Cajon Pass?
- Yes. This page shows 6 live views on Cajon Pass from the state transportation departments' own camera feeds, further down the page, refreshed each time you load it.
- How often are Cajon Pass road conditions updated?
- The road surface and weather layers are rebuilt whenever this page is opened with data more than ten minutes old, and refreshed on a schedule in between, so nothing here is more than about two hours old even on a road nobody has looked at. Closures and road blocks are re-imported from the state 511 feeds every fifteen minutes, and the written state-by-state summaries are refreshed daily. Every section on this page carries the time its data was fetched.
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