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Westerville, SD 7-Day Weather Forecast
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Westerville Weather Forecast
Westerville, SD Weather Forecast Date: 1054 PM CDT Wed Sep 16 2026
Weather forecast for Westerville, SD
Tonight Lo: 60°F Lo: 16°C |
Tonight... Mostly cloudy. A slight chance of showers late this evening. Patchy fog. Near steady temperature in the lower 60s. Southwest winds around 5 mph. Chance of rain 20%. |
Thu Hi: 75°FHi: 24°C Lo: 61°F Lo: 16°C |
Thursday... Mostly cloudy in the morning, then becoming partly sunny. Patchy fog in the morning. Humid with highs in the mid 70s. North winds around 5 mph, becoming east in the afternoon. |
Fri Hi: 85°FHi: 29°C Lo: 61°F Lo: 16°C |
Friday... Mostly cloudy in the morning, then becoming partly sunny. A chance of thunderstorms in the morning. A chance of showers. Humid with highs in the mid 80s. Southeast winds 15 to 20 mph, becoming south in the afternoon. Chance of rain 50%. |
Sat Hi: 70°FHi: 21°C Lo: 59°F Lo: 15°C |
Saturday... Cloudy. Not as warm with highs around 70. |
Sun Hi: 65°FHi: 18°C Lo: 55°F Lo: 13°C |
Sunday... Cloudy with a 40% chance of showers. Highs in the mid 60s. |
Mon Hi: 69°FHi: 21°C Lo: 55°F Lo: 13°C |
Monday... Mostly cloudy. A chance of showers in the morning. Highs in the upper 60s. Chance of rain 40%. |
Tue Hi: 70°FHi: 21°C Lo: 55°F Lo: 13°C |
Tuesday... Partly sunny. Highs around 70. |
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