I-89 weather conditions near Williston, Vermont
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Mostly Cloudy 70°F 2025-06-23T03:54:00-04:00 
Today 2025-06-23, Hot. Mostly sunny and hot, with a high near 97. Heat index values as high as 104. Light and variable wind becoming southwest 5 to 8 mph in the morning.
Tonight 2025-06-23, Mostly Clear. Mostly clear, with a low around 77. South wind around 7 mph.Tuesday 2025-06-24, Sunny then Chance T-storms. A 30 percent chance of showers and thunderstorms, mainly after 2pm. Increasing clouds and hot, with a high near 96. Heat index values as high as 103. Southwest wind 9 to 11 mph becoming west in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night 2025-06-24, Chance T-storms then Partly Cloudy. A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 68. West wind around 5 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday 2025-06-25, Mostly Sunny. Mostly sunny, with a high near 82. North wind 7 to 9 mph.- Wednesday Night 2025-06-25, Increasing Clouds. Increasing clouds, with a low around 61. Light northeast wind.
Thursday 2025-06-26, Partly Sunny. Partly sunny, with a high near 80. North wind 3 to 6 mph.Thursday Night 2025-06-26, Mostly Cloudy then Chance Showers. A 40 percent chance of showers after 2am. Mostly cloudy, with a low around 60. North wind around 5 mph becoming light and variable in the evening.
Friday 2025-06-27, Chance Showers. A 50 percent chance of showers. Mostly cloudy, with a high near 76. South wind 5 to 8 mph.
Friday Night 2025-06-27, Showers Likely. Showers likely, with thunderstorms also possible after 2am. Mostly cloudy, with a low around 61. Southeast wind around 8 mph. Chance of precipitation is 70%.
Saturday 2025-06-28, Chance T-storms. A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 78. South wind around 10 mph.Saturday Night 2025-06-28, Chance T-storms then Chance Showers. A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62. South wind around 7 mph.
Sunday 2025-06-29, Partly Sunny then Chance Showers. A 30 percent chance of showers. Partly sunny, with a high near 82. South wind around 7 mph.