I-89 weather conditions near Williston, Vermont

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Mostly Cloudy 77°F 2025-07-13T05:54:00-04:00
• Today 2025-07-13, Chance T-storms. A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 87. Heat index values as high as 94. South wind 11 to 14 mph, with gusts as high as 24 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
• Tonight 2025-07-13, Chance T-storms then Showers Likely. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 70. South wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
• Monday 2025-07-14, Chance T-storms then Showers Likely. A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 84. Heat index values as high as 90. South wind 6 to 9 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
• Monday Night 2025-07-14, Chance Showers then Mostly Clear. A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 67. Light south wind. New precipitation amounts of less than a tenth of an inch possible.
• Tuesday 2025-07-15, Hot. Sunny and hot, with a high near 90. Light and variable wind becoming southwest around 5 mph in the afternoon.
• Tuesday Night 2025-07-15, Mostly Clear. Mostly clear, with a low around 68. Light and variable wind.
• Wednesday 2025-07-16, Hot. Sunny and hot, with a high near 92. South wind around 7 mph.
• Wednesday Night 2025-07-16, Partly Cloudy then Chance Showers. A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 71. South wind around 7 mph.
• Thursday 2025-07-17, Showers Likely. A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny and hot, with a high near 90. South wind around 9 mph. Chance of precipitation is 60%.
• Thursday Night 2025-07-17, Showers Likely. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 68. South wind around 7 mph. Chance of precipitation is 60%.
• Friday 2025-07-18, Chance T-storms. A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. Northwest wind around 9 mph.
• Friday Night 2025-07-18, Partly Cloudy. Partly cloudy, with a low around 62. North wind around 6 mph.
• Saturday 2025-07-19, Mostly Sunny. Mostly sunny, with a high near 83. Northwest wind 5 to 7 mph.