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I-5 Interstate Road Conditions
I-5 Road Conditions & Weather
Updated Aug 23, 2026 10:42 PM UTC · 3 states · Mostly dry
Lowest 66°F near Seattle, Washington · Highest wind 14 mph near Los Angeles, California
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Interstate 5 (I‑5) runs from the Mexican border at San Ysidro in San Diego, California, to the Canadian border at Blaine, Washington, forming the main north–south backbone of the U.S. West Coast. It passes through major cities such as San Diego, Los Angeles, Sacramento, Portland, and Seattle.
- Road system: Interstate Highway System
- Year of construction: 1970
- Length: 1,381 miles
Weather data from Aug 23, 2026 10:42 PM UTC
66°F
101°F
14 mph
1009-1023 hPa
Current I-5 Conditions by State
California I-5 road conditions
Dry
- San Diego 84°F · 7 mph wind · Dry
- Los Angeles 98°F · 8 mph wind · Dry
- Sacramento 94°F · 3 mph wind · Dry
Oregon I-5 road conditions
Dry
- Portland 73°F · 2 mph wind · Dry
- Medford 86°F · 2 mph wind · Dry
- Salem 76°F · 3 mph wind · Dry
Washington I-5 road conditions
Dry
- Vancouver 73°F · 2 mph wind · Dry
- Seattle 69°F · 1 mph wind · Dry
- Tacoma 73°F · 6 mph wind · Dry
See live weather forecast for I‑5. Get real‑time I‑5 road and weather conditions displayed directly on the interactive map for your route through California, Oregon, and Washington.
The map shows live weather conditions along Interstate 5, updated frequently to help drivers plan safer trips. Forecasts are generated for the next 6 hours at key highway points and include temperature and conditions such as clear skies, rain, storms, snow, high wind, hail, and more.
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.
California I-5 weather conditions
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.
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.
Oregon I-5 weather conditions
Portland, OR weather
- The weather in Portland, OR, as of 5:05 AM on August 23, 2026, is currently cloudy with a temperature of 17.6°C (63.7°F)
- The humidity level is at 75%, indicating a relatively humid atmosphere
- Winds are blowing from the south-southwest at 5 to 10 kph (3 to 6 mph)
- Visibility is good at 16 km (9.9 miles), and the atmospheric pressure is 1018 mb (30.06 inHg)
- There are no active weather alerts at this time.
Medford, OR weather
- Current weather conditions in Medford, OR indicate a clear sky with a temperature of 13.3°C (56°F)
- The relative humidity is at 69%, and the atmospheric pressure is 1017 mb (30.06 inHg)
- Winds are calm, blowing at 0 km/h (0 mph)
- Visibility is good, reaching 16 km (9.9 miles)
- There are no active weather alerts, and the probability of precipitation is 0%.
Washington I-5 weather conditions
Seattle, WA weather
- Current weather conditions in Seattle, WA indicate a temperature of 15.9°C (60°F) with a relative humidity of 94%
- The wind is blowing from the south-southeast at 7 km/h (4 mph)
- Visibility is reported at 16 km (9.9 miles), and the sky coverage is partly cloudy, estimated at 50%
- The atmospheric pressure is 1019 mb (30.07 inHg)
- There are no active weather alerts at this time, and the probability of precipitation is 0%.
I-5 Traffic Cameras
updating…I-5 at MP 105.6: Eastside St
9 hours ago
I-5 at MP 121.9: Linden Dr
9 hours ago
I-5 at MP 122.6: Berkeley St
9 hours ago
I-5 at MP 122.7: Madigan Gate
9 hours ago
I-5 at MP 151.2: S 200th St
9 hours ago
I-5 at MP 159.2: S Henderson St
9 hours ago
I-5 Road Weather FAQ
- Is I-5 closed right now?
- Yes — one full closure is reported on I-5 as of Aug 23, 2026 11:47 PM UTC.
- What are I-5 road conditions today?
- The map on this page colours the route along I-5 by what is on the carriageway right now — dry, wet, slush, snow or ice — from radar and surface data, last updated Aug 23, 2026 10:42 PM UTC. Right now temperatures run from 66°F to 101°F and the strongest wind is 14 mph.
- Are there live traffic cameras on I-5?
- Yes. This page shows 6 live views on I-5 from the state transportation departments' own camera feeds, further down the page, refreshed each time you load it.
- How often are I-5 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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