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 44°F 2025-10-16T23:53:00-04:00 
Tonight 2025-10-16, Areas Frost. Areas of frost after 2am. Otherwise, clear, with a low around 33. North wind around 6 mph becoming light and variable after midnight.
Friday 2025-10-17, Frost then Sunny. Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 62. Northwest wind 3 to 6 mph.Friday Night 2025-10-17, Partly Cloudy then Slight Chance Showers. A slight chance of showers after 2am. Partly cloudy, with a low around 42. Calm wind. Chance of precipitation is 20%.
Saturday 2025-10-18, Partly Sunny. Partly sunny, with a high near 70. Calm wind becoming south around 6 mph in the afternoon.Saturday Night 2025-10-18, Partly Cloudy then Chance Showers. A chance of showers after 2am. Partly cloudy, with a low around 45. South wind around 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday 2025-10-19, Chance Showers then Showers. A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 70. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night 2025-10-19, Showers. Showers and possibly a thunderstorm. Low around 44. Chance of precipitation is 80%.Monday 2025-10-20, Showers Likely then Chance Showers. Showers likely, mainly before 8am. Mostly sunny, with a high near 60. Chance of precipitation is 60%.
- Monday Night 2025-10-20, Partly Cloudy. Partly cloudy, with a low around 39.
Tuesday 2025-10-21, Mostly Sunny then Chance Showers. A chance of showers after 2pm. Mostly sunny, with a high near 65. Chance of precipitation is 40%.
Tuesday Night 2025-10-21, Chance Showers. A chance of showers. Mostly cloudy, with a low around 40. Chance of precipitation is 50%.
Wednesday 2025-10-22, Chance Showers. A chance of showers. Partly sunny, with a high near 53. Chance of precipitation is 30%.
Wednesday Night 2025-10-22, Mostly Cloudy. Mostly cloudy, with a low around 39.- Thursday 2025-10-23, Partly Sunny. Partly sunny, with a high near 56.