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California Road Conditions
California 511 Road Conditions
Updated Aug 23, 2026 11:42 PM UTC · Mostly dry
Lowest 72°F near San Francisco, California · Highest wind 25 mph near Barstow, California
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California is a Pacific Coast state in the United States, known for Los Angeles, San Francisco and San Diego, and for interstates that climb out of the deserts and over the mountains between them: I-5 the length of the state over the Grapevine, I-80 across Donner Summit, I-15 through Cajon Pass, and I-10 and I-40 across the Mojave.
- State type: U.S. state on the Pacific Coast
- Year of statehood: 1850
- Area: 423,970 km²
Weather data from Aug 23, 2026 11:42 PM UTC
72°F
116°F
25 mph
1003-1013 hPa
Current California Conditions by State
California 511 road conditions
Dry
- San Diego 94°F · 8 mph wind · Dry
- Sacramento 96°F · 2 mph wind · Dry
- Barstow 105°F · 25 mph wind · Dry
See live weather forecast for California. Get real-time California road weather conditions displayed directly on the interactive map for your route, from the Oregon line to the Mexican border. The map shows live weather conditions across California, updated frequently to help drivers plan around the tule fog that closes the Central Valley in winter, the snow that shuts Donner Summit and the Grapevine, and the desert heat on the run to Las Vegas and Arizona. Forecasts are generated for the next 6 hours at key points along your journey and include temperature and weather conditions such as clear skies, rain, storms, snow, high wind, hail, and more. Caltrans publishes closures, chain controls and camera views on QuickMap, California's official traffic map, and this page carries Caltrans cameras and lane-closure alerts alongside its own forecast: QuickMap for what the road is doing now, this map for the weather over the next six hours.
1 current report along the route, including 1 full closure. Always check with the responsible state DOT before setting off.
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Road closed
I-5 closed
Mainline closure. Work: Accident Investigation. Lanes closed: All. Near Pacoima, Los Angeles County.
Interstates Through California, Road by Road
Each stretch has its own live conditions, closures and cameras for the California miles only — the weather 500 miles away on the same interstate says nothing about this drive.
Sacramento, CA weather
- Current weather conditions in Sacramento, CA indicate a temperature of 20.5°C (69°F) with clear skies
- The humidity level is at 45%, and the dew point is 8.1°C (46.6°F)
- Winds are light, blowing from the southeast at 0.9 KPH (0.6 mph), and visibility is good at 16 km (9.9 miles)
- The atmospheric pressure stands at 1013 MB (29.92 inHg)
- There are no significant weather alerts or precipitation expected at this time.
Los Angeles, CA weather
- In Los Angeles, CA, the current weather is clear with a temperature of 19.9°C (67.8°F) and a humidity level of 82%
- The wind is blowing from the south at 1.8 kph (1 mph), and the atmospheric pressure is 1012 mb (29.9 inHg)
- There is a heat advisory in effect from 10:00 AM on August 23, 2026, until 10:00 AM on August 25, 2026, indicating that high temperatures may pose health risks, particularly for vulnerable populations
- Following this, an extreme heat watch will take effect on August 25, 2026, at 10:00 AM and will last until August 28, 2026, at 8:00 PM, suggesting that conditions could become even more severe
- Currently, there are no significant weather impacts affecting outdoor activities.
San Francisco, CA weather
- Current weather conditions in San Francisco, CA indicate a temperature of 13.9°C (57°F) with a dew point of 12.7°C (55°F) and a humidity level of 92%
- The pressure is measured at 1013 mb (29.92 inHg)
- Winds are coming from the southwest at 3.4 kph (2 mph)
- The visibility is good at 15.8 km (9.8 miles), and the weather is mostly clear
- There are no active weather alerts at this time.
California Traffic Cameras
updating…(C 009) I-5 : Just North Of Old Town, San Diego
2 days ago
(C 044) I-15 : Sabre Springs DAR, San Diego
2 days ago
(C020) SB 5 : SR-94, San Diego
2 days ago
(C030) SB 5: Just South Of I-15, San Diego
2 days ago
(C270) I-5 : NB Just North of La Costa Ave Top, Carlsbad
2 days ago
28 - NB I-5 South Of SR120, Lathrop
2 days ago
California Road Weather FAQ
- Are any roads closed in California right now?
- Yes — one full closure is reported on the interstates in California as of Aug 24, 2026 12:32 AM UTC.
- What are California road conditions today?
- The map on this page colours the interstates across California by what is on the carriageway right now — dry, wet, slush, snow or ice — from radar and surface data, last updated Aug 23, 2026 11:42 PM UTC. Right now temperatures run from 72°F to 116°F and the strongest wind is 25 mph.
- Are there live traffic cameras in California?
- Yes. This page shows 6 live views in California from the state transportation departments' own camera feeds, further down the page, refreshed each time you load it.
- How often are California 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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