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 53°F 2025-10-15T04:53:00-04:00 
Today 2025-10-15, Becoming Sunny. Mostly cloudy through mid morning, then gradual clearing, with a high near 65. Northwest wind 6 to 10 mph, with gusts as high as 21 mph.
Tonight 2025-10-15, Clear. Clear, with a low around 36. North wind around 7 mph.
Thursday 2025-10-16, Areas Frost then Sunny. Areas of frost before 9am. Otherwise, sunny, with a high near 61. Northwest wind 6 to 10 mph, with gusts as high as 20 mph.- Thursday Night 2025-10-16, Clear then Frost. Widespread frost, mainly after 5am. Otherwise, clear, with a low around 31. Northwest wind 3 to 7 mph.
- Friday 2025-10-17, Frost then Sunny. Widespread frost before 9am. Otherwise, sunny, with a high near 63. Northwest wind 3 to 5 mph.
Friday Night 2025-10-17, Partly Cloudy. Partly cloudy, with a low around 38.
Saturday 2025-10-18, Mostly Sunny. Mostly sunny, with a high near 69.- Saturday Night 2025-10-18, Mostly Cloudy. Mostly cloudy, with a low around 45.
Sunday 2025-10-19, Showers Likely. Showers likely, mainly after 2pm. Partly sunny, with a high near 67. Chance of precipitation is 60%.
Sunday Night 2025-10-19, Showers Likely. Showers likely. Mostly cloudy, with a low around 45. Chance of precipitation is 70%.
Monday 2025-10-20, Chance Showers. A chance of showers. Partly sunny, with a high near 61. Chance of precipitation is 30%.Monday Night 2025-10-20, Partly Cloudy then Chance Showers. A chance of showers. Partly cloudy, with a low around 42. Chance of precipitation is 30%.
Tuesday 2025-10-21, Chance Showers then Mostly Sunny. A chance of showers. Mostly sunny, with a high near 63. Chance of precipitation is 30%.