I-99 weather conditions near Altoona, Pennsylvania
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Thunderstorm Rain Fog/Mist 73°F 2025-07-16T17:53:00-04:00
Tonight 2025-07-16, T-storms then Showers. Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 2am, then a chance of showers and thunderstorms after 2am. Low around 69. Southwest wind around 5 mph becoming light and variable. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday 2025-07-17, Mostly Sunny then Showers Likely. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny, with a high near 90. West wind 6 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night 2025-07-17, 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 67. West wind 6 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday 2025-07-18, Partly Sunny then Slight Chance Showers. A slight chance of showers after 2pm. Mostly sunny, with a high near 83. Northwest wind 3 to 5 mph. Chance of precipitation is 20%.
Friday Night 2025-07-18, Mostly Clear then Slight Chance Showers. A slight chance of showers before 8pm, then a slight chance of showers after 2am. Partly cloudy, with a low around 62. Calm wind. Chance of precipitation is 20%.
Saturday 2025-07-19, Slight Chance Showers then Showers Likely. A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night 2025-07-19, Showers Likely. Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 70%.
Sunday 2025-07-20, Showers Likely. A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 84. Chance of precipitation is 60%.
Sunday Night 2025-07-20, Showers Likely then Partly Cloudy. Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 62. Chance of precipitation is 60%.
Monday 2025-07-21, Mostly Sunny. Mostly sunny, with a high near 82.
Monday Night 2025-07-21, Partly Cloudy. Partly cloudy, with a low around 63.
Tuesday 2025-07-22, Mostly Sunny then Chance Showers. A chance of showers. Mostly sunny, with a high near 84. Chance of precipitation is 40%.
Tuesday Night 2025-07-22, Chance Showers. A chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
Wednesday 2025-07-23, Partly Sunny then Chance T-storms. A chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 40%.
Current condition: Thunderstorm Rain Fog/Mist 73°F 2025-07-16T17:53:00-04:00 Tonight 2025-07-16, T-storms then Showers. Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 2am, then a chance of showers and thunderstorms after 2am. Low around 69. Southwest wind around 5 mph becoming light and variable. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday 2025-07-17, Mostly Sunny then Showers Likely. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny, with a high near 90. West wind 6 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night 2025-07-17, 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 67. West wind 6 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday 2025-07-18, Partly Sunny then Slight Chance Showers. A slight chance of showers after 2pm. Mostly sunny, with a high near 83. Northwest wind 3 to 5 mph. Chance of precipitation is 20%.
Friday Night 2025-07-18, Mostly Clear then Slight Chance Showers. A slight chance of showers before 8pm, then a slight chance of showers after 2am. Partly cloudy, with a low around 62. Calm wind. Chance of precipitation is 20%.
Saturday 2025-07-19, Slight Chance Showers then Showers Likely. A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night 2025-07-19, Showers Likely. Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 70%.
Sunday 2025-07-20, Showers Likely. A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 84. Chance of precipitation is 60%.Sunday Night 2025-07-20, Showers Likely then Partly Cloudy. Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 62. Chance of precipitation is 60%.
Monday 2025-07-21, Mostly Sunny. Mostly sunny, with a high near 82.
Monday Night 2025-07-21, Partly Cloudy. Partly cloudy, with a low around 63.Tuesday 2025-07-22, Mostly Sunny then Chance Showers. A chance of showers. Mostly sunny, with a high near 84. Chance of precipitation is 40%.
Tuesday Night 2025-07-22, Chance Showers. A chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.Wednesday 2025-07-23, Partly Sunny then Chance T-storms. A chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 40%.