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: Fair 76°F 2025-07-08T19:53:00-04:00
Tonight 2025-07-08, Partly Cloudy then Patchy Fog. Patchy fog after 1am. Otherwise, partly cloudy, with a low around 64. Light west wind.
Wednesday 2025-07-09, Partly Sunny. Partly sunny, with a high near 86. Light west wind.
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 65. Calm wind. Chance of precipitation is 20%.
Thursday 2025-07-10, Slight Chance Showers then Chance T-storms. A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 86. Calm wind becoming southwest 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 Partly Cloudy. A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 65. Calm wind. 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 30%.
Friday Night 2025-07-11, Chance T-storms then Partly Cloudy. A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
Saturday 2025-07-12, Mostly Sunny then Chance T-storms. A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 40%.
Saturday Night 2025-07-12, Chance T-storms. A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.
Sunday 2025-07-13, Chance Showers then Showers Likely. Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 60%.
Sunday Night 2025-07-13, Showers Likely. Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Monday 2025-07-14, Mostly Sunny then Chance T-storms. A chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 40%.
Monday Night 2025-07-14, Chance T-storms then Partly Cloudy. A chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Tuesday 2025-07-15, Mostly Sunny then Chance Showers. A chance of showers. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
Current condition: Fair 76°F 2025-07-08T19:53:00-04:00 Tonight 2025-07-08, Partly Cloudy then Patchy Fog. Patchy fog after 1am. Otherwise, partly cloudy, with a low around 64. Light west wind.
Wednesday 2025-07-09, Partly Sunny. Partly sunny, with a high near 86. Light west wind.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 65. Calm wind. Chance of precipitation is 20%.
Thursday 2025-07-10, Slight Chance Showers then Chance T-storms. A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 86. Calm wind becoming southwest 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 Partly Cloudy. A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 65. Calm wind. 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 30%.
Saturday 2025-07-12, Mostly Sunny then Chance T-storms. A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 40%.
Saturday Night 2025-07-12, Chance T-storms. A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.Sunday 2025-07-13, Chance Showers then Showers Likely. Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 60%.
Sunday Night 2025-07-13, Showers Likely. Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.Monday Night 2025-07-14, Chance T-storms then Partly Cloudy. A chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Tuesday 2025-07-15, Mostly Sunny then Chance Showers. A chance of showers. Mostly sunny, with a high near 88. Chance of precipitation is 30%.