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I-81 Interstate Road Conditions
I-81 Road Conditions & Weather
Updated Aug 23, 2026 11:57 PM UTC · 6 states · Mostly dry, wet in places
Lowest 64°F near Syracuse, New York · Highest wind 18 mph near Syracuse, New York
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Interstate 81 (I‑81) runs from Dandridge, Tennessee, to Wellesley Island, New York (at the Canadian border), providing a north–south route through the Appalachians and Eastern Seaboard.It passes through cities such as Knoxville, Bristol, Roanoke, Harrisburg, Scranton, Syracuse, and Watertown.
- Road system: Interstate Highway System
- Year of construction: 1957
- Length: 855 miles
Weather data from Aug 23, 2026 11:57 PM UTC
64°F
81°F
18 mph
1008-1015 hPa
Current I-81 Conditions by State
Tennessee I-81 road conditions
Dry
- Kingsport 79°F · 8 mph wind · Dry
- Johnson City 79°F · 8 mph wind · Dry
Virginia I-81 road conditions
Dry
- Wytheville 75°F · 6 mph wind · Dry
- Bristol 77°F · 6 mph wind · Dry
- Roanoke 77°F · 8 mph wind · Dry
Maryland I-81 road conditions
Dry
- Hagerstown 77°F · 10 mph wind · Dry
- Frederick 77°F · 10 mph wind · Dry
Pennsylvania I-81 road conditions
Dry
- Harrisburg 76°F · 10 mph wind · Dry
- Scranton 67°F · 3 mph wind · Dry
See live weather forecast for I‑81. Get real‑time I‑81 road and weather conditions displayed directly on the interactive map for your route through Tennessee, Virginia, West Virginia, Maryland, Pennsylvania, and New York.
The map shows live weather conditions along Interstate 81, 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.
4 current reports along the route. The 3 most serious are listed below. Always check with the responsible state DOT before setting off.
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Lanes blocked
I81: Active Closure @ I-81 NORTH/SOUTH BETWEEN MP 3 AND MP 4
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Lanes blocked
Longterm construction and utility work on I-81 northbound ramp from E. Colvin St (Syracuse) ; Ramp Closure - Follow…
Longterm construction and utility work on I-81 northbound ramp from E. Colvin St (Syracuse) ; Ramp Closure - Follow Detour, Continuous Sunday August 2nd,2026 06:00 AM thru Tuesday October 6th,2026 06:00 AM All lanes closed ,
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Restriction
Roadwork on I-81 southbound between Exit 73 - US 20 (La Fayette) and LaFayette Weigh Station (La Fayette), Continuous…
Roadwork on I-81 southbound between Exit 73 - US 20 (La Fayette) and LaFayette Weigh Station (La Fayette), Continuous Friday July 24th, 2026 07:00 AM thru Thursday December 31st, 2026 03:00 PM right shoulder closed
Maryland I-81 weather conditions
Hagerstown, MD weather
- Current weather conditions in Hagerstown, MD indicate a temperature of 18.0°C (64°F) with a high humidity level of 97%
- The atmosphere is experiencing fog, which may reduce visibility to approximately 8.6 km (5.3 miles)
- Winds are coming from the west-southwest at a speed of 6 km/h (4 mph)
- The atmospheric pressure is measured at 1012 mb (29.88 inHg)
- No significant weather alerts are currently in effect
- The conditions suggest a cool and damp morning, with limited visibility due to the fog.
New York I-81 weather conditions
New York, NY weather
- In New York, NY, as of 8:05 AM on August 23, 2026, the weather is characterized by showers with a temperature of 20.1°C (68°F) and a high humidity level of 97%
- The dewpoint is at 19.6°C (67°F), indicating a very moist atmosphere
- Wind speeds are currently measured at 6 km/h (4 mph) coming from the southeast (112°)
- Visibility is relatively good at 8.3 km (5.2 miles)
- The atmospheric pressure is 1005 mb (29.68 inHg)
- No significant weather alerts are currently in effect.
Pennsylvania I-81 weather conditions
Philadelphia, PA weather
- In Philadelphia, PA, the current weather conditions indicate a temperature of 19.6°C (67°F) with a humidity level of 93%
- The wind is blowing from the southwest at 4 km/h (2 mph)
- Visibility is good at 15.8 km (9.8 miles) under partly cloudy skies, which are covering about 50% of the sky
- The atmospheric pressure is measured at 1007 mb (29.74 inHg)
- As of now, there are no active weather alerts in the area.
Tennessee I-81 weather conditions
Knoxville, TN weather
- Current weather conditions in Knoxville, TN indicate a temperature of 18.4°C (65°F) with a dew point of 17.9°C (64°F)
- The humidity is quite high at 97%, contributing to a mist and fog situation in the area
- The wind is calm, blowing from the west at approximately 0.3 kph (0.2 mph)
- Visibility is reduced to 16 km (9.9 miles)
- The atmospheric pressure is measured at 1017 mb (30.06 inHg)
- As of now, there are no active weather alerts in effect.
Virginia I-81 weather conditions
Roanoke, VA weather
- The current weather in Roanoke, VA, features mostly sunny conditions with a temperature of 18.3°C (64.9°F)
- The humidity level is at 71%, contributing to a comfortable atmosphere
- The wind is blowing from the west-northwest at approximately 8 km/h (5 mph), with a visibility of 16 km (9.9 miles)
- The atmospheric pressure is measured at 1010 mb (29.83 inHg)
- There are no active weather alerts at this time, and the probability of precipitation is 0%.
West Virginia I-81 weather conditions
Martinsburg, WV weather
- The current weather in Martinsburg, WV, features clear conditions with sunny skies
- The temperature is 17.8°C (64°F), and the humidity level is at 78%
- Winds are blowing from the west-southwest at approximately 5 to 11 mph (8 to 18 km/h)
- Visibility is good, reaching 16 km (10 miles)
- The atmospheric pressure is measured at 1012 mb (29.88 inHg)
- There are no significant weather alerts at this time, and the probability of precipitation is 0%.
I-81 Road Weather FAQ
- Is I-81 closed right now?
- No full closures are reported on I-81 as of Aug 23, 2026 11:47 PM UTC. 4 lane closures, roadworks or restrictions are in force. They are listed under closures and road blocks on this page.
- What are I-81 road conditions today?
- The map on this page colours the route along I-81 by what is on the carriageway right now — dry, wet, slush, snow or ice — from radar and surface data, last updated Aug 23, 2026 11:57 PM UTC. Right now temperatures run from 64°F to 81°F and the strongest wind is 18 mph.
- How often are I-81 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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