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: Fog/Mist 67°F 2025-07-08T05:53:00-04:00
Today 2025-07-08, T-storms Likely. Showers and thunderstorms likely, mainly before 3pm. Partly sunny, with a high near 84. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight 2025-07-08, Partly Cloudy then Patchy Fog. Patchy fog after 3am. Otherwise, partly cloudy, with a low around 66. Light southwest wind.
Wednesday 2025-07-09, Patchy Fog then Slight Chance T-storms. A slight chance of showers and thunderstorms after 2pm. Patchy fog before 7am. Otherwise, partly sunny, with a high near 88. Light west wind. Chance of precipitation is 20%.
Wednesday Night 2025-07-09, Slight Chance T-storms then Slight Chance Showers. A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 20%.
Thursday 2025-07-10, Slight Chance T-storms then Chance T-storms. A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly cloudy, with a high near 87. Calm wind becoming west around 5 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 Slight Chance Showers. A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 66. 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, Mostly Sunny then Chance T-storms. A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Chance of precipitation is 40%.
Friday Night 2025-07-11, Chance T-storms then Mostly Clear. A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Saturday 2025-07-12, Sunny then Chance T-storms. A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 40%.
Saturday Night 2025-07-12, Chance T-storms then Chance Showers. A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 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. Partly sunny, with a high near 88. Chance of precipitation is 60%.
Sunday Night 2025-07-13, Showers Likely. Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Monday 2025-07-14, Chance Showers then Chance T-storms. A chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 50%.
Current condition: Fog/Mist 67°F 2025-07-08T05:53:00-04:00 
Today 2025-07-08, T-storms Likely. Showers and thunderstorms likely, mainly before 3pm. Partly sunny, with a high near 84. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.Tonight 2025-07-08, Partly Cloudy then Patchy Fog. Patchy fog after 3am. Otherwise, partly cloudy, with a low around 66. Light southwest wind.
Wednesday 2025-07-09, Patchy Fog then Slight Chance T-storms. A slight chance of showers and thunderstorms after 2pm. Patchy fog before 7am. Otherwise, partly sunny, with a high near 88. Light west wind. Chance of precipitation is 20%.
Wednesday Night 2025-07-09, Slight Chance T-storms then Slight Chance Showers. A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 20%.
Thursday 2025-07-10, Slight Chance T-storms then Chance T-storms. A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly cloudy, with a high near 87. Calm wind becoming west around 5 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 Slight Chance Showers. A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 66. 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, Mostly Sunny then Chance T-storms. A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Chance of precipitation is 40%.
Friday Night 2025-07-11, Chance T-storms then Mostly Clear. A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Saturday 2025-07-12, Sunny then Chance T-storms. A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 40%.
Saturday Night 2025-07-12, Chance T-storms then Chance Showers. A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 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. Partly sunny, with a high near 88. Chance of precipitation is 60%.
Sunday Night 2025-07-13, Showers Likely. Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.Monday 2025-07-14, Chance Showers then Chance T-storms. A chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 50%.