National Weather Service Forecast for: Williston VT
Issued by: National Weather Service Burlington, VT
Updated: 2:09 am EDT Jun 30, 2026
 
Today

Today: A slight chance of showers before 3pm, then a slight chance of showers and thunderstorms after 4pm.  Mostly sunny, with a high near 87. South wind 3 to 7 mph.  Chance of precipitation is 20%.
Mostly Sunny
then Slight
Chance
T-storms
Tonight

Tonight: A chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 5am, then a slight chance of showers and thunderstorms after 5am.  Mostly cloudy, with a low around 69. South wind 6 to 8 mph.  Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms then
Slight Chance
T-storms
Wednesday

Wednesday: A slight chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms after 2pm.  Mostly sunny and hot, with a high near 93. Heat index values as high as 106. Southwest wind around 7 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms

Wednesday
Night
Wednesday Night: A chance of showers and thunderstorms between 8pm and 11pm, then a chance of showers after 11pm.  Partly cloudy during the early evening, then becoming cloudy, with a low around 72. Light south wind.  Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms then
Chance
Showers
Thursday

Thursday: A 30 percent chance of showers and thunderstorms after 2pm.  Mostly sunny and hot, with a high near 95. South wind 5 to 7 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Mostly Sunny
then Chance
T-storms
Thursday
Night
Thursday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am.  Partly cloudy, with a low around 72. Light southwest wind.  Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms then
Chance
Showers
Friday

Friday: Mostly sunny and hot, with a high near 91. Northwest wind 3 to 8 mph.
Hot

Friday
Night
Friday Night: Partly cloudy, with a low around 67. Light and variable wind.
Partly Cloudy

Independence
Day
Independence Day: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 86. West wind 3 to 7 mph.
Chance
T-storms

Hi 87 °F Lo 69 °F Hi 93 °F Lo 72 °F Hi 95 °F Lo 72 °F Hi 91 °F Lo 67 °F Hi 86 °F

Hazardous Weather Outlook
Extreme Heat Watch
 

Today
 
A slight chance of showers before 3pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 87. South wind 3 to 7 mph. Chance of precipitation is 20%.
Tonight
 
A chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 5am, then a slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 69. South wind 6 to 8 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
 
A slight chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 93. Heat index values as high as 106. Southwest wind around 7 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
 
A chance of showers and thunderstorms between 8pm and 11pm, then a chance of showers after 11pm. Partly cloudy during the early evening, then becoming cloudy, with a low around 72. Light south wind. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
 
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 95. South wind 5 to 7 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
 
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Partly cloudy, with a low around 72. Light southwest wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
 
Mostly sunny and hot, with a high near 91. Northwest wind 3 to 8 mph.
Friday Night
 
Partly cloudy, with a low around 67. Light and variable wind.
Independence Day
 
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86. West wind 3 to 7 mph.
Saturday Night
 
Partly cloudy, with a low around 64. Calm wind.
Sunday
 
Mostly sunny, with a high near 85. Calm wind becoming northwest around 6 mph in the afternoon.
Sunday Night
 
Partly cloudy, with a low around 64. Calm wind.
Monday
 
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. Calm wind becoming north around 6 mph in the afternoon.

 

Forecast from NOAA-NWS for Williston VT.