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 74°F 2025-07-05T21:53:00-04:00
Tonight 2025-07-05, Partly Cloudy. Partly cloudy, with a low around 64. Calm wind.
Sunday 2025-07-06, Sunny. Sunny, with a high near 90. Calm wind becoming south around 6 mph in the afternoon.
Sunday Night 2025-07-06, Mostly Clear. Mostly clear, with a low around 68. Light south wind.
Monday 2025-07-07, Mostly Sunny then Chance T-storms. A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night 2025-07-07, Chance T-storms. A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 69. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday 2025-07-08, Chance T-storms then Showers Likely. A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night 2025-07-08, Showers Likely then Partly Cloudy. Showers likely before 8pm. Partly cloudy, with a low around 65. Chance of precipitation is 60%.
Wednesday 2025-07-09, Partly Sunny. Partly sunny, with a high near 87.
Wednesday Night 2025-07-09, Mostly Cloudy. Mostly cloudy, with a low around 65.
Thursday 2025-07-10, Chance Showers then Showers Likely. A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 86. Chance of precipitation is 60%.
Thursday Night 2025-07-10, Showers Likely then Chance T-storms. Showers and thunderstorms likely. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Friday 2025-07-11, Mostly Cloudy then Chance T-storms. A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 50%.
Friday Night 2025-07-11, Chance T-storms then Chance Showers. A chance of showers and thunderstorms. 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. Mostly sunny, with a high near 86. Chance of precipitation is 40%.