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City of Watertown, SDWatertown, SD 7-Day Weather Forecast
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Watertown Weather Forecast
Watertown, SD Weather Forecast Date: 1221 AM CDT Wed Oct 07 2026
Weather forecast for Watertown, SD
Tonight Lo: 49°F Lo: 9°C |
Tonight... Mostly clear. Lows in the upper 40s. North winds 5 to 10 mph. |
Wed Hi: 71°FHi: 22°C Lo: 49°F Lo: 9°C |
Wednesday... Mostly sunny. Not as warm with highs in the lower 70s. Northwest winds 10 to 15 mph. Gusts up to 30 mph in the afternoon. |
Thu Hi: 65°FHi: 18°C Lo: 49°F Lo: 9°C |
Thursday... Partly sunny. Highs in the mid 60s. Southwest winds around 5 mph. |
| Fri Hi: 75°FHi: 24°C Lo: 61°F Lo: 16°C |
Friday... Partly sunny. Highs in the mid 70s. |
| Sat Hi: 81°FHi: 27°C Lo: 55°F Lo: 13°C |
Saturday... Mostly clear and breezy. Lows in the lower 60s. Highs in the lower 80s. |
| Sun Hi: 70°FHi: 21°C Lo: 49°F Lo: 9°C |
Sunday... Partly sunny. Not as warm with highs around 70. |
Columbus Day Hi: 59°FHi: 15°C Lo: 41°F Lo: 5°C |
Columbus Day... Mostly cloudy with a 40% chance of showers. Cooler with highs in the upper 50s. |
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