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 36°F 2025-12-23T02:53:00-05:00 
Overnight 2025-12-23, Wintry Mix Likely. A chance of snow before 4am, then rain and snow likely between 4am and 5am, then rain, snow, and freezing rain likely after 5am. Cloudy, with a low around 31. Calm wind. Chance of precipitation is 60%. Little or no ice accumulation expected. Total nighttime snow accumulation of less than a half inch possible.Tuesday 2025-12-23, Rain/Freezing Rain then Slight Chance Rain. Rain or freezing rain before noon, then a slight chance of rain between noon and 4pm. High near 49. Light and variable wind becoming west 10 to 15 mph in the morning. Winds could gust as high as 29 mph. Chance of precipitation is 90%. Little or no ice accumulation expected.
Tuesday Night 2025-12-23, Decreasing Clouds and Breezy. Mostly cloudy, then gradually becoming mostly clear, with a low around 33. Breezy, with a west wind 17 to 20 mph, with gusts as high as 37 mph.
Wednesday 2025-12-24, Mostly Sunny. Mostly sunny, with a high near 43. Northwest wind 12 to 17 mph decreasing to 5 to 10 mph in the afternoon. Winds could gust as high as 31 mph.Wednesday Night 2025-12-24, Mostly Cloudy then Slight Chance Rain/Freezing Rain. A slight chance of freezing rain between 1am and 4am, then a slight chance of rain after 4am. Mostly cloudy, with a low around 30. Calm wind. Chance of precipitation is 20%.
Christmas Day 2025-12-25, Slight Chance Rain. A slight chance of rain before 1pm. Mostly cloudy, with a high near 47. Chance of precipitation is 20%.
Thursday Night 2025-12-25, Mostly Cloudy. Mostly cloudy, with a low around 27.Friday 2025-12-26, Freezing Rain Likely then Rain/Freezing Rain. Freezing rain likely before 1pm, then rain or freezing rain. High near 36. Chance of precipitation is 100%.
Friday Night 2025-12-26, Rain/Freezing Rain. Rain or freezing rain, mainly before 1am. Low around 28. Chance of precipitation is 80%.
Saturday 2025-12-27, Chance Rain. A chance of rain. Cloudy, with a high near 44. Chance of precipitation is 30%.
Saturday Night 2025-12-27, Chance Rain. A chance of rain. Cloudy, with a low around 35. Chance of precipitation is 50%.
Sunday 2025-12-28, Rain Likely. Rain likely. Mostly cloudy, with a high near 49. Chance of precipitation is 70%.
Sunday Night 2025-12-28, Chance Rain. A chance of rain. Mostly cloudy, with a low around 16. Chance of precipitation is 40%.Monday 2025-12-29, Partly Sunny then Mostly Cloudy and Breezy. Partly sunny, with a high near 26. Breezy.