I-79 weather conditions near Canonsburg, Pennsylvania
Roadnow AI Agent Live Update
Seasoned Weather Conditions
Current Weather Conditions
click anywhere on map to change location
7 day weather forecast
Current condition: Overcast 42°F 2025-11-20T17:56:00-05:00 
Tonight 2025-11-20, Patchy Dense Fog. Patchy dense fog before 1am, then patchy dense fog after 2am. Otherwise, mostly cloudy, with a low around 37. Calm wind.
Friday 2025-11-21, Chance Rain and Patchy Dense Fog. A chance of rain, mainly after 1pm. Patchy dense fog before 9am. Otherwise, cloudy, with a high near 52. Calm wind becoming southwest around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night 2025-11-21, Rain. Rain. Low around 39. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday 2025-11-22, Slight Chance Rain. A slight chance of rain before 1pm. Cloudy through mid morning, then gradual clearing, with a high near 48. North wind around 7 mph. Chance of precipitation is 20%.Saturday Night 2025-11-22, Mostly Clear then Patchy Fog. Patchy fog between 2am and 3am. Otherwise, mostly clear, with a low around 28. Light and variable wind.
Sunday 2025-11-23, Sunny. Sunny, with a high near 51.
Sunday Night 2025-11-23, Mostly Clear. Mostly clear, with a low around 32.
Monday 2025-11-24, Mostly Sunny. Mostly sunny, with a high near 54.Monday Night 2025-11-24, Mostly Cloudy then Chance Rain. A chance of rain after 1am. Mostly cloudy, with a low around 38. Chance of precipitation is 40%.
Tuesday 2025-11-25, Rain. Rain. High near 57. Chance of precipitation is 80%.
Tuesday Night 2025-11-25, Rain Likely. Rain likely. Mostly cloudy, with a low around 46. Chance of precipitation is 70%.
Wednesday 2025-11-26, Chance Rain. A chance of rain. Mostly cloudy, with a high near 57. Chance of precipitation is 40%.
Wednesday Night 2025-11-26, Chance Rain. A chance of rain. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Thanksgiving Day 2025-11-27, Partly Sunny. Partly sunny, with a high near 42.