I-79 weather conditions near Waynesburg, Pennsylvania
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Fair 65°F 2025-08-12T04:56:00-04:00
Today 2025-08-12, Hot. Sunny and hot, with a high near 90. Calm wind becoming south around 6 mph in the afternoon.
Tonight 2025-08-12, Partly Cloudy then Chance Showers. A chance of showers and thunderstorms, mainly after 5am. Partly cloudy, with a low around 69. Light south wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday 2025-08-13, Showers Likely then T-storms. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 84. Southwest wind 5 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night 2025-08-13, T-storms then Chance T-storms. Showers and thunderstorms before 5am, then a slight chance of showers. Low around 67. Light southwest wind. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday 2025-08-14, Chance Showers then Chance T-storms. A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 85. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night 2025-08-14, Chance T-storms then Mostly Clear. A chance of thunderstorms before 8pm. Partly cloudy, with a low around 64. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday 2025-08-15, Mostly Sunny. Mostly sunny, with a high near 88.
Friday Night 2025-08-15, Mostly Clear. Mostly clear, with a low around 65.
Saturday 2025-08-16, Hot. Sunny and hot, with a high near 91.
Saturday Night 2025-08-16, Mostly Clear. Mostly clear, with a low around 66.
Sunday 2025-08-17, Hot. Mostly sunny and hot, with a high near 92.
Sunday Night 2025-08-17, Partly Cloudy. Partly cloudy, with a low around 67.
Monday 2025-08-18, Mostly Sunny. Mostly sunny, with a high near 89.
Current condition: Fair 65°F 2025-08-12T04:56:00-04:00 
Today 2025-08-12, Hot. Sunny and hot, with a high near 90. Calm wind becoming south around 6 mph in the afternoon.Tonight 2025-08-12, Partly Cloudy then Chance Showers. A chance of showers and thunderstorms, mainly after 5am. Partly cloudy, with a low around 69. Light south wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday 2025-08-13, Showers Likely then T-storms. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 84. Southwest wind 5 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night 2025-08-13, T-storms then Chance T-storms. Showers and thunderstorms before 5am, then a slight chance of showers. Low around 67. Light southwest wind. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday 2025-08-14, Chance Showers then Chance T-storms. A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 85. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night 2025-08-14, Chance T-storms then Mostly Clear. A chance of thunderstorms before 8pm. Partly cloudy, with a low around 64. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday 2025-08-15, Mostly Sunny. Mostly sunny, with a high near 88.
Friday Night 2025-08-15, Mostly Clear. Mostly clear, with a low around 65.