Watertown Airport (ART) Weather 07/13/2026
Tonight
73
Slight Chance T-storms
Wednesday
88
Mostly Sunny
Wednesday Night
73
Slight Chance T-storms
Thursday
91
Hot
Thursday Night
71
Chance Showers
Friday
86
Mostly Sunny then Slight Chance T-storms
Friday Night
68
Partly Cloudy
Independence Day
83
Chance T-storms
Saturday Night
66
Mostly Cloudy
Sunday
85
Mostly Sunny
Sunday Night
66
Mostly Cloudy then Chance Showers
Monday
84
Chance Showers
Monday Night
65
Chance Showers
Weekly Forecast
Tonight
A slight chance of showers and thunderstorms before 2am, then a slight chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 73. South wind 6 to 8 mph. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 88. Heat index values as high as 97. Southwest wind 9 to 13 mph.
Wednesday Night
A slight chance of showers and thunderstorms. Mostly clear during the early evening, then becoming mostly cloudy, with a low around 73. Southwest wind 7 to 9 mph. Chance of precipitation is 20%.
Thursday
Sunny and hot, with a high near 91. Heat index values as high as 99. Southwest wind 9 to 14 mph.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Southwest wind 7 to 10 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Southwest wind 8 to 11 mph. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 68. Southwest wind 5 to 8 mph.
Independence Day
A chance of showers and thunderstorms. Partly sunny, with a high near 83. West wind 6 to 9 mph. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, with a low around 66.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
Monday
A chance of showers. Partly sunny, with a high near 84. Chance of precipitation is 30%.
Monday Night
A chance of showers. Partly cloudy, with a low around 65. Chance of precipitation is 30%.