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: Mostly Cloudy 77°F 2025-07-10T11:53:00-04:00
This Afternoon 2025-07-10, Mostly Cloudy. Mostly cloudy, with a high near 87. Light west wind.
Tonight 2025-07-10, Chance T-storms then Patchy Fog. A chance of showers and thunderstorms, mainly before 7pm. Patchy fog after midnight. Otherwise, partly cloudy, with a low around 65. Calm wind. Chance of precipitation is 30%.
Friday 2025-07-11, Sunny then Chance T-storms. A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Light west wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night 2025-07-11, Chance T-storms then Patchy Fog. A chance of showers and thunderstorms before 8pm. Patchy fog after 1am. Otherwise, partly cloudy, with a low around 66. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday 2025-07-12, Mostly Sunny then Chance T-storms. A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Light south wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night 2025-07-12, Chance T-storms. A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 67. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday 2025-07-13, Chance Showers then Showers Likely. Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 70%.
Sunday Night 2025-07-13, Showers Likely. Showers likely and possibly a thunderstorm before 2am, then a chance of showers. 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, with thunderstorms also possible after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 50%.
Monday Night 2025-07-14, Chance T-storms then Partly Cloudy. A chance of thunderstorms before 8pm. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
Tuesday 2025-07-15, Mostly Sunny. Mostly sunny, with a high near 88.
Tuesday Night 2025-07-15, Partly Cloudy. Partly cloudy, with a low around 66.
Wednesday 2025-07-16, Mostly Sunny then Chance T-storms. A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
Current condition: Mostly Cloudy 77°F 2025-07-10T11:53:00-04:00 Tonight 2025-07-10, Chance T-storms then Patchy Fog. A chance of showers and thunderstorms, mainly before 7pm. Patchy fog after midnight. Otherwise, partly cloudy, with a low around 65. Calm wind. Chance of precipitation is 30%.
Friday 2025-07-11, Sunny then Chance T-storms. A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Light west wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night 2025-07-11, Chance T-storms then Patchy Fog. A chance of showers and thunderstorms before 8pm. Patchy fog after 1am. Otherwise, partly cloudy, with a low around 66. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday 2025-07-12, Mostly Sunny then Chance T-storms. A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Light south wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night 2025-07-12, Chance T-storms. A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 67. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.Sunday 2025-07-13, Chance Showers then Showers Likely. Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 70%.
Sunday Night 2025-07-13, Showers Likely. Showers likely and possibly a thunderstorm before 2am, then a chance of showers. 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, with thunderstorms also possible after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 50%.
Monday Night 2025-07-14, Chance T-storms then Partly Cloudy. A chance of thunderstorms before 8pm. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
Tuesday 2025-07-15, Mostly Sunny. Mostly sunny, with a high near 88.
Tuesday Night 2025-07-15, Partly Cloudy. Partly cloudy, with a low around 66.Wednesday 2025-07-16, Mostly Sunny then Chance T-storms. A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 30%.