I-79 weather conditions near Canonsburg, Pennsylvania
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Mostly Cloudy 80°F 2025-07-08T16:56:00-04:00
Tonight 2025-07-08, Partly Cloudy then Patchy Fog. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 64. West wind around 5 mph becoming calm in the evening.
Wednesday 2025-07-09, Patchy Dense Fog then Partly Sunny. Patchy dense fog before 9am. Otherwise, mostly cloudy, with a high near 85. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night 2025-07-09, Slight Chance T-storms and Patchy Fog. A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 20%.
Thursday 2025-07-10, Slight Chance T-storms and Patchy Fog then Chance T-storms. A slight chance of showers, then a chance of showers and thunderstorms after 11am. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 85. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night 2025-07-10, Chance T-storms then Partly Cloudy. A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday 2025-07-11, Chance T-storms. A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 86. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night 2025-07-11, Chance T-storms then Partly Cloudy. A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
Saturday 2025-07-12, Mostly Sunny then Chance T-storms. A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 40%.
Saturday Night 2025-07-12, Chance T-storms. A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.
Sunday 2025-07-13, Chance Showers then Showers Likely. Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 60%.
Sunday Night 2025-07-13, Showers Likely then Chance T-storms. Showers and thunderstorms likely. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Monday 2025-07-14, Mostly Sunny then Chance T-storms. A chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 30%.
Monday Night 2025-07-14, Chance T-storms then Mostly Cloudy. A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.
Tuesday 2025-07-15, Partly Sunny then Chance Showers. A chance of showers. Partly sunny, with a high near 87. Chance of precipitation is 30%.
Current condition: Mostly Cloudy 80°F 2025-07-08T16:56:00-04:00 Tonight 2025-07-08, Partly Cloudy then Patchy Fog. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 64. West wind around 5 mph becoming calm in the evening.
Wednesday 2025-07-09, Patchy Dense Fog then Partly Sunny. Patchy dense fog before 9am. Otherwise, mostly cloudy, with a high near 85. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night 2025-07-09, Slight Chance T-storms and Patchy Fog. A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 20%.
Thursday 2025-07-10, Slight Chance T-storms and Patchy Fog then Chance T-storms. A slight chance of showers, then a chance of showers and thunderstorms after 11am. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 85. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night 2025-07-10, Chance T-storms then Partly Cloudy. A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday 2025-07-11, Chance T-storms. A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 86. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.Friday Night 2025-07-11, Chance T-storms then Partly Cloudy. A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
Saturday 2025-07-12, Mostly Sunny then Chance T-storms. A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 40%.
Saturday Night 2025-07-12, Chance T-storms. A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.Sunday 2025-07-13, Chance Showers then Showers Likely. Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 60%.
Sunday Night 2025-07-13, Showers Likely then Chance T-storms. Showers and thunderstorms likely. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Monday 2025-07-14, Mostly Sunny then Chance T-storms. A chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 30%.
Monday Night 2025-07-14, Chance T-storms then Mostly Cloudy. A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.
Tuesday 2025-07-15, Partly Sunny then Chance Showers. A chance of showers. Partly sunny, with a high near 87. Chance of precipitation is 30%.