I-99 weather conditions near Hollidaysburg, Pennsylvania
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Overcast 64°F 2025-06-16T18:53:00-04:00 
Tonight 2025-06-16, Chance Showers. A chance of showers. Cloudy, with a low around 62. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.Tuesday 2025-06-17, Chance Showers then Chance T-storms. A chance of showers, with thunderstorms also possible after 2pm. Cloudy, with a high near 75. Calm wind becoming south around 6 mph in the morning. Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday Night 2025-06-17, Showers Likely. Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Cloudy, with a low around 66. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.Wednesday 2025-06-18, Chance Showers then Showers. A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 83. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night 2025-06-18, Showers then Slight Chance T-storms. Showers and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms after 8pm. Low around 69. Southwest wind 3 to 5 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Juneteenth 2025-06-19, Showers Likely. Showers likely, with thunderstorms also possible after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night 2025-06-19, Partly Cloudy. Partly cloudy, with a low around 61.
Friday 2025-06-20, Sunny. Sunny, with a high near 82.- Friday Night 2025-06-20, Partly Cloudy. Partly cloudy, with a low around 60.
Saturday 2025-06-21, Mostly Sunny. Mostly sunny, with a high near 86.
Saturday Night 2025-06-21, Mostly Cloudy. Mostly cloudy, with a low around 67.
Sunday 2025-06-22, Hot. Mostly sunny and hot, with a high near 92.
Sunday Night 2025-06-22, Mostly Clear. Mostly clear, with a low around 71.- Monday 2025-06-23, Hot. Mostly sunny and hot, with a high near 94.