I-81 Interstate Road Conditions 511

I-81

Weather for road I-81

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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

Temperature

Wind Speed

Rain Precip.

Coverage

Up to 144 hours

Lowest temp.

-

Highest temp.

-

Highest wind

-

Pressure

-

Description

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.

Weather conditions overview along the road I-81

Maryland I-81 weather conditions

  • The current weather in Maryland, MD, shows a temperature of 22.6°C (72.7°F) with a humidity level of 74%
  • The dew point is at 17.8°C (64.0°F), indicating a relatively moist atmosphere
  • The wind is light, coming from the southwest at 0.7 kph (0.4 mph), and visibility is good at 16 km (9.9 miles)
  • The sky is mostly cloudy, covering approximately 50% of the sky
  • The atmospheric pressure is 1022 mb (30.17 inHg)
  • There are no significant weather alerts at this time, and the chance of precipitation is currently at 0%.

New York I-81 weather conditions

  • Current weather impacts for New York, NY include an active air quality alert, which indicates a moderate risk due to air quality concerns
  • This alert is in effect from May 17, 2026, at 11:48 PM until May 18, 2026, at 11:00 PM (EDT)
  • In New Hampshire, NH, as of 8:02 AM (EDT) on May 18, 2026, heavy precipitation is approaching from the northwest, located approximately 62.2 km (38.7 miles) away
  • The temperature is currently 21.9°C (71°F) with a relative humidity of 76%
  • The wind is blowing from the southeast at 1.8 km/h (1 mph) with a visibility of 16.0 km (9.9 miles)
  • Atmospheric pressure is measured at 1018 mb (30.06 inHg).

Pennsylvania I-81 weather conditions

  • In Pennsylvania, the current weather is sunny with a temperature of 18.0°C (64.4°F) and a dew point of 15.6°C (60.1°F)
  • The humidity is at 86%, indicating a fairly humid atmosphere
  • The wind is blowing from the southeast at 16 km/h (10 mph)
  • Visibility is good at 16 km (9.9 miles), and there are no significant weather threats reported in this area. In New Hampshire, there is an active weather threat as an area of heavy precipitation is approaching from the northwest, located approximately 62.2 km (38.7 miles) away
  • There are no tornado threats associated with this storm system
  • The current weather conditions have not been specified, but residents should remain alert for the approaching precipitation.

Tennessee I-81 weather conditions

  • In Tennessee, the current weather is sunny with a temperature of 19.9°C (68°F) and a humidity level of 83%
  • The wind is blowing from the south at 11 km/h (7 mph)
  • Visibility is good at 16 km (9.9 miles), and the atmospheric pressure is 1021 mb (30.15 inHg)
  • In New Hampshire, there is an approaching area of heavy precipitation from the northwest, located approximately 62.2 km (38.7 miles) away
  • There are currently no tornado threats associated with this storm system.

Virginia I-81 weather conditions

  • In Virginia, VA, the current weather conditions indicate a low temperature risk with a forecast maximum feels-like temperature of 35.6°C (96°F) expected in the next 5 to 6 hours
  • There are no active weather alerts at this time
  • In New Hampshire, NH, an area of heavy precipitation is approaching from the northwest, located approximately 62.2 km (38.7 miles) away
  • The temperature is currently 24.3°C (75°F) with a corresponding feels-like temperature of 24.3°C (75°F)
  • Humidity is at 72%, and the wind is blowing from the southwest at 4.5 kph (2.8 mph)
  • Visibility is good at 16 km (9.9 miles), and the sky is partly cloudy
  • No precipitation is currently reported, and the pressure is at 1022 mb (30.18 inHg).

West Virginia I-81 weather conditions

  • In West Virginia, the current weather is characterized by sunny conditions with a temperature of 15.3°C (59.5°F) and a dew point of 14.2°C (57.6°F), resulting in high humidity at 93%
  • The wind is blowing from the south-southwest at 3.4 KPH (2 mph) with good visibility of 16 km (9.9 miles)
  • The atmospheric pressure is measured at 1024 MB (30.2 inHg)
  • In New Hampshire, there is an active weather threat as an area of heavy precipitation is approaching from the northwest, located approximately 62.2 km (38.7 miles) away
  • No tornado activity has been reported with the storm system.

Cameras for road I-81

IDOT: 187th. HD

4 months ago

Photo from camera: IDOT: 187th. HD

IDOT: Harlem Ave. HD

4 months ago

Photo from camera: IDOT: Harlem Ave. HD

IDOT: W/o LaGrange Rd. HD

4 months ago

Photo from camera: IDOT: W/o LaGrange Rd. HD

IDOT: E/o 104th Ave. HD

3 months ago

Photo from camera: IDOT: E/o 104th Ave. HD

IDOT: Wolf Rd. HD

3 months ago

Photo from camera: IDOT: Wolf Rd. HD

IDOT: Near Wt. Station HD

3 months ago

Photo from camera: IDOT: Near Wt. Station HD

IDOT: Parker Rd. HD

3 months ago

Photo from camera: IDOT: Parker Rd. HD

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