10-Day Weather Forecast - Watertown, SD
- 85|65°FPartly SunnyHourly details
Today
85°FPartly sunny. Highs in the upper 80s. East winds 10 to 15 mph.
Tonight
65°FMostly cloudy with a chance of thunderstorms. Showers after midnight. Humid with lows in the upper 60s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.
- 74|61°F40% Chance of StormsHourly details
Day
74°FMostly cloudy. A chance of thunderstorms in the morning. Humid with highs in the upper 70s. Northeast winds around 10 mph with gusts up to 20 mph. Chance of rain 40 percent.
Night
61°FMostly cloudy with a 20 percent chance of showers. Lows in the lower 60s. Northeast winds 5 to 10 mph.
- 80|64°FPartly SunnyHourly details
Day
80°FPartly sunny. Highs in the lower 80s. Northeast winds around 5 mph.
Night
64°FPartly cloudy. Lows in the lower 60s. Highs in the upper 80s.
- 86|67°FPartly CloudyHourly details
Day
86°FPartly cloudy. Lows in the lower 60s. Highs in the upper 80s.
Night
67°FMostly clear. Hot. Lows in the upper 60s. Highs around 90.
Weekend Weather
- 89|70°FSunnyHourly details
Day
89°FMostly clear. Hot. Lows in the upper 60s. Highs around 90.
Night
70°FMostly clear. Hot. Lows in the upper 60s. Highs around 90.
- 92|70°FUnknownHourly details
Day
92°FMostly clear. Hot. Highs in the mid 90s. Lows in the lower 70s. Heat index values up to 100.
Night
70°FMostly clear. Hot. Highs in the mid 90s. Lows in the lower 70s. Heat index values up to 100.
- 93|71°FUnknown
Day
93°FMostly clear. Hot. Highs in the mid 90s. Lows in the lower 70s. Heat index values up to 100.
Night
71°FClear with scattered thunderstorms. Chance of storms 50%. Low temperature around 71F. Dew point will be around 60F with an average humidity of 53%. Winds will be 11 mph from the S.
- 91|66°FSunny
Day
91°FSunny with scattered thunderstorms. Chance of storms 50%. High temperature around 91F. Dew point will be around 61F with an average humidity of 47%. Winds will be 2 mph from the S.
Night
66°FClear with scattered thunderstorms. Chance of storms 40%. Low temperature around 66F. Dew point will be around 59F with an average humidity of 57%. Winds will be 4 mph from the E.
- 85|64°FMostly Sunny
Day
85°FMostly sunny with widely scattered thunderstorms. Chance of storms 30%. High temperature around 85F. Dew point will be around 59F with an average humidity of 53%. Winds will be 2 mph from the E.
Night
64°FMostly clear with scattered thunderstorms. Chance of storms 40%. Low temperature around 64F. Dew point will be around 57F with an average humidity of 59%. Winds will be 4 mph from the E.
- 84|64°FSunny
Day
84°FSunny with numerous thunderstorms. Chance of storms 70%. High temperature around 84F. Dew point will be around 58F with an average humidity of 53%. Winds will be 2 mph from the SE.
Night
64°FClear with numerous thunderstorms. Chance of storms 75%. Low temperature around 64F. Dew point will be around 56F with an average humidity of 58%. Winds will be 3 mph from the SE.













