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

  • Current weather conditions in Maryland, MD indicate a sunny day with a temperature of 24.9°C (76.8°F) and a maximum feels-like temperature expected to reach 35.3°C (95.5°F) in about 4 to 5 hours, which poses a low temperature risk for outdoor activities
  • The humidity level is at 69%, and the wind is blowing from the west-southwest at 5 to 10 kph (3 to 6 mph)
  • The atmospheric pressure is 1020 mb (30.12 inHg)
  • There are no active weather alerts at this time, making it a suitable day for outdoor plans, although caution is advised due to the anticipated increase in feels-like temperature later in the day.

New York I-81 weather conditions

  • In New York, NY, the current weather is characterized by sunny conditions with a temperature of 22.6°C (72.7°F) and a dew point of 19.3°C (66.7°F)
  • The humidity level is at 81%, creating a moderately humid atmosphere
  • Winds are coming from the southwest at approximately 6 km/h (4 mph)
  • There are currently active weather alerts in effect
  • A heat advisory is in place from 11:00 AM on May 19, 2026, until 8:00 PM on May 20, 2026, indicating potential heat-related health risks
  • Additionally, an air quality alert has been issued, effective from 11:35 PM on May 18, 2026, until 11:00 PM on May 19, 2026, due to moderate air quality risks that may affect outdoor activities.

Pennsylvania I-81 weather conditions

  • Current weather conditions in Pennsylvania, PA indicate a temperature of 20.4°C (68.7°F) with a humidity level of 83%
  • The air pressure is measured at 1018 mb (30.06 inHg)
  • Winds are coming from the west-southwest at a speed of 3 km/h (2 mph)
  • The sky is mostly sunny, providing good visibility at 16 km (9.9 miles)
  • There are no active weather alerts at this time.

Tennessee I-81 weather conditions

  • The current weather in Tennessee, TN, shows a temperature of 23.8°C (74.8°F) with a dew point of 19.0°C (66.2°F)
  • The humidity is at 74%, indicating a relatively moist atmosphere
  • The pressure is measured at 1022 mb (30.18 inHg), and visibility is good at 16 km (9.9 miles)
  • Winds are coming from the south at a speed of 10 to 11 kph (6 to 7 mph)
  • The sky is partly cloudy, contributing to a pleasant morning
  • There are no active weather alerts at this time, and no precipitation is currently occurring.

Virginia I-81 weather conditions

  • Current weather conditions in Virginia, VA indicate a sunny day with a temperature of 24.7°C (76°F) and a relative humidity of 68%
  • The wind is blowing from the southwest at 11 km/h (7 mph)
  • The maximum feels-like temperature is forecasted to reach 35.8°C (96°F) in about 4 to 5 hours, which poses a low temperature risk for outdoor activities
  • There are currently no active weather alerts in effect
  • Visibility is good at 16 km (9.9 miles), and atmospheric pressure is measured at 1021 mb (30.16 inHg).

West Virginia I-81 weather conditions

  • Current weather conditions in West Virginia, WV indicate a temperature of 16.9°C (62°F) with a dew point of 15.3°C (59°F) and humidity at 90%
  • The pressure is measured at 1023 mb (30.2 inHg)
  • Winds are coming from the southwest at 3 to 7 kph (2 to 4 mph)
  • The weather is mostly sunny, and visibility is good at 16 km (9.9 miles)
  • There are no active weather alerts at this time, and no precipitation is occurring.

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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