National Weather Service Forecast for: Williston VT
Issued by: National Weather Service Burlington, VT
Updated: 6:50 pm EDT Aug 19, 2026
 
Today

Today: Increasing clouds, with a high near 77. Light and variable wind.
Increasing
Clouds
 Tonight

Tonight: Patchy dense fog after 3am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 53. Light and variable wind.
Mostly Cloudy
then Patchy
Dense Fog
 Friday

Friday: Patchy dense fog before 8am. Otherwise, mostly sunny, with a high near 79. Calm wind becoming northwest around 5 mph in the afternoon.
Patchy Dense
Fog then
Sunny
 Friday
Night
Friday Night: Mostly clear, with a low around 56. Light and variable wind.
Mostly Clear

 Saturday

Saturday: Mostly sunny, with a high near 80. South wind 5 to 8 mph.
Mostly Sunny

 Saturday
Night
Saturday Night: A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 59. Southeast wind 6 to 8 mph.
Mostly Cloudy
then Chance
Showers
 Sunday

Sunday: A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 78. South wind around 8 mph. Chance of precipitation is 90%.
Chance
Showers then
Showers
 Sunday
Night
Sunday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Low around 55. Light southwest wind. Chance of precipitation is 80%.
Showers then
Chance
Showers
 Monday

Monday: A 40 percent chance of showers after 8am. Partly sunny, with a high near 74. West wind 5 to 9 mph.
Chance
Showers
Hi 77 °F Lo 53 °F Hi 79 °F Lo 56 °F Hi 80 °F Lo 59 °F Hi 78 °F Lo 55 °F Hi 74 °F

 

Today
 
 Increasing clouds, with a high near 77. Light and variable wind.
Tonight
 
 Patchy dense fog after 3am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 53. Light and variable wind.
Friday
 
 Patchy dense fog before 8am. Otherwise, mostly sunny, with a high near 79. Calm wind becoming northwest around 5 mph in the afternoon.
Friday Night
 
 Mostly clear, with a low around 56. Light and variable wind.
Saturday
 
 Mostly sunny, with a high near 80. South wind 5 to 8 mph.
Saturday Night
 
 A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 59. Southeast wind 6 to 8 mph.
Sunday
 
 A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 78. South wind around 8 mph. Chance of precipitation is 90%.
Sunday Night
 
 Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Low around 55. Light southwest wind. Chance of precipitation is 80%.
Monday
 
 A 40 percent chance of showers after 8am. Partly sunny, with a high near 74. West wind 5 to 9 mph.
Monday Night
 
 Partly cloudy, with a low around 52. West wind around 5 mph becoming calm in the evening.
Tuesday
 
 Mostly sunny, with a high near 75. Southwest wind 5 to 7 mph.
Tuesday Night
 
 Partly cloudy, with a low around 54. Light and variable wind.
Wednesday
 
 Mostly sunny, with a high near 77. South wind 5 to 7 mph becoming west in the afternoon.

 

Forecast from NOAA-NWS for Williston VT.