California I-5 Road Conditions

I-5 in California

I-5 Road Conditions in California

Updated Aug 23, 2026 10:15 PM UTC · Mostly dry

Lowest 80°F near Los Angeles, California · Highest wind 13 mph near Los Angeles, California

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Interstate 5 runs 797 miles up California, from the Mexican border at San Ysidro to the Oregon line beyond Yreka — more than half of the entire route, and the state’s main north–south artery. It crosses Tejon Pass at 4,144 feet on the Grapevine, runs the length of a Central Valley that fills with tule fog in winter, and climbs into the mountains again north of Redding.

  • Road system: Interstate Highway System
  • Length: 797 miles
  • Highest point: Tejon Pass (the Grapevine), 4,144 ft
  • Runs from: San Ysidro (Mexican border) to the Oregon line

Temperature

Wind Speed

Rain Precip.

Coverage

Weather data from Aug 23, 2026 10:15 PM UTC

Up to 144 hours

Lowest temp.

80°F

Highest temp.

101°F

Highest wind

13 mph

Pressure

1007-1013 hPa

Current I-5 in California Conditions by State

California I-5 in California road conditions

Dry

  • San Diego 82°F · 7 mph wind · Dry
  • Sacramento 94°F · 2 mph wind · Dry
  • Los Angeles 99°F · 8 mph wind · Dry

Official California road conditions (QuickMap) ↗

Description

See live weather forecast for Interstate 5 across California. Get real‑time road and weather conditions displayed directly on the interactive map for the drive from San Diego through Los Angeles, the Grapevine, Bakersfield, Stockton, Sacramento and Redding to Mount Shasta, Yreka and the Oregon state line. The map shows live weather conditions along the route, updated frequently to help drivers plan around the fog in the Central Valley and the snow that closes Tejon Pass. Forecasts are generated for the next 6 hours at key highway points and include temperature and weather conditions such as clear skies, rain, storms, snow, high wind, hail, and more.

I-5 in California Closures & Road Blocks Today

1 current report along the route, including 1 full closure. Always check with the responsible state DOT before setting off.

  • Road closed

    I-5 closed

    Mainline closure. Work: Accident Investigation. Lanes closed: All. Near Pacoima, Los Angeles County.

    Pacoima • South • CA • Ongoing

Weather conditions overview along the road I-5 in California

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.

I-5 in California Road Weather FAQ

Is I-5 in California closed right now?
Yes — one full closure is reported on I-5 in California as of Aug 23, 2026 11:47 PM UTC.
What are I-5 in California road conditions today?
The map on this page colours the route along I-5 in 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 10:15 PM UTC. Right now temperatures run from 80°F to 101°F and the strongest wind is 13 mph.
How often are I-5 in 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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