I-99 weather conditions near I-99 PA exit 3, Pennsylvania
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Mostly Cloudy 71°F 2025-07-27T00:55:00-04:00
Overnight 2025-07-27, Showers Likely and Patchy Fog. Showers and thunderstorms likely, mainly before 4am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday 2025-07-27, Scattered T-storms then Showers Likely. Scattered showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then scattered showers and thunderstorms after 5pm. Mostly cloudy, with a high near 87. Calm wind becoming west 5 to 8 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night 2025-07-27, Scattered T-storms then Isolated Showers and Patchy Fog. Scattered showers and thunderstorms before 11pm, then isolated showers between 11pm and 2am. Patchy fog after 3am. Otherwise, partly cloudy, with a low around 68. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday 2025-07-28, Patchy Fog then Sunny. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 91. Calm wind.
Monday Night 2025-07-28, Mostly Clear then Patchy Fog. Patchy fog after 3am. Otherwise, mostly clear, with a low around 68. Calm wind.
Tuesday 2025-07-29, Patchy Fog then Sunny. Patchy fog before 7am. Otherwise, sunny and hot, with a high near 94.
Tuesday Night 2025-07-29, Mostly Clear. Mostly clear, with a low around 69.
Wednesday 2025-07-30, Hot. Mostly sunny and hot, with a high near 93.
Wednesday Night 2025-07-30, Chance T-storms. A chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.
Thursday 2025-07-31, Chance Showers then Chance T-storms. A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 50%.
Thursday Night 2025-07-31, Chance T-storms then Partly Cloudy. A chance of thunderstorms. Partly cloudy, with a low around 59. Chance of precipitation is 30%.
Friday 2025-08-01, Mostly Sunny. Mostly sunny, with a high near 78.
Friday Night 2025-08-01, Mostly Clear. Mostly clear, with a low around 54.
Saturday 2025-08-02, Sunny. Sunny, with a high near 78.
Current condition: Mostly Cloudy 71°F 2025-07-27T00:55:00-04:00 
Overnight 2025-07-27, Showers Likely and Patchy Fog. Showers and thunderstorms likely, mainly before 4am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.Sunday 2025-07-27, Scattered T-storms then Showers Likely. Scattered showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then scattered showers and thunderstorms after 5pm. Mostly cloudy, with a high near 87. Calm wind becoming west 5 to 8 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night 2025-07-27, Scattered T-storms then Isolated Showers and Patchy Fog. Scattered showers and thunderstorms before 11pm, then isolated showers between 11pm and 2am. Patchy fog after 3am. Otherwise, partly cloudy, with a low around 68. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday 2025-07-28, Patchy Fog then Sunny. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 91. Calm wind.
Monday Night 2025-07-28, Mostly Clear then Patchy Fog. Patchy fog after 3am. Otherwise, mostly clear, with a low around 68. Calm wind.
Tuesday Night 2025-07-29, Mostly Clear. Mostly clear, with a low around 69.
Wednesday 2025-07-30, Hot. Mostly sunny and hot, with a high near 93.
Wednesday Night 2025-07-30, Chance T-storms. A chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.Thursday 2025-07-31, Chance Showers then Chance T-storms. A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 50%.
Thursday Night 2025-07-31, Chance T-storms then Partly Cloudy. A chance of thunderstorms. Partly cloudy, with a low around 59. Chance of precipitation is 30%.
Friday 2025-08-01, Mostly Sunny. Mostly sunny, with a high near 78.
Saturday 2025-08-02, Sunny. Sunny, with a high near 78.