I-99 weather conditions near Williamsburg, Pennsylvania
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Fair 55°F 2024-04-25T16:53:00-04:00 
Tonight 2024-04-25, Mostly Clear then Areas Frost. Areas of frost after 2am. Otherwise, mostly clear, with a low around 36. East wind around 5 mph becoming calm in the evening.- Friday 2024-04-26, Areas Frost then Sunny. Areas of frost before 8am. Otherwise, mostly sunny, with a high near 61. Light east wind becoming southeast 5 to 10 mph in the morning.
Friday Night 2024-04-26, Partly Cloudy then Slight Chance Showers. A slight chance of showers after 2am. Increasing clouds, with a low around 42. Southeast wind 10 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Saturday 2024-04-27, Chance Showers. A chance of showers, mainly after 8am. Mostly cloudy, with a high near 59. South wind 10 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night 2024-04-27, Mostly Cloudy. Mostly cloudy, with a low around 50. South wind 6 to 10 mph.Sunday 2024-04-28, Mostly Sunny then Slight Chance T-storms. A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82. Chance of precipitation is 20%.
- Sunday Night 2024-04-28, Mostly Clear. Mostly clear, with a low around 55.
- Monday 2024-04-29, Mostly Sunny. Mostly sunny, with a high near 86.
Monday Night 2024-04-29, Partly Cloudy. Partly cloudy, with a low around 59.
Tuesday 2024-04-30, Showers Likely. Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 60%.Tuesday Night 2024-04-30, Showers Likely then Chance T-storms. Showers and thunderstorms likely. Mostly cloudy, with a low around 55. Chance of precipitation is 60%.
- Wednesday 2024-05-01, Mostly Sunny. Mostly sunny, with a high near 78.
- Wednesday Night 2024-05-01, Partly Cloudy. Partly cloudy, with a low around 54.
- Thursday 2024-05-02, Mostly Sunny. Mostly sunny, with a high near 73.