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Groton, SD 7-Day Night Weather Forecast
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Groton, SD Weather Forecast
Groton, SD Weather Forecast Date: 621 PM CDT Fri Sep 18 2026
The area/counties/county of: Brown, including the city of Aberdeen.or toggle through each period.
Tonight... Cloudy. Areas of drizzle this evening, then patchy drizzle after midnight. Patchy fog. Lows in the mid 50s. Northeast winds 10 to 15 mph.
Saturday... Cloudy. Areas of fog in the morning, then patchy fog in the afternoon. Highs in the upper 60s. Northeast winds 10 to 15 mph with gusts up to 25 mph.
Saturday Night... Mostly cloudy. Lows in the lower 50s. Northeast winds 5 to 10 mph with gusts up to 20 mph.
Sunday... Cloudy. A slight chance of showers in the afternoon. Highs in the mid 60s. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20%.
Sunday Night... Cloudy with a 50% chance of showers. Lows in the upper 40s. East winds 5 to 10 mph.
Monday... Mostly cloudy with a slight chance of showers in the morning, then partly sunny in the afternoon. Highs in the mid 60s. Chance of rain 20%.
Monday Night... Mostly cloudy. Lows in the upper 40s. Highs in the upper 60s.
Tuesday... Mostly cloudy. Lows in the upper 40s. Highs in the upper 60s.
Wednesday... Mostly cloudy in the morning, then partly sunny with a slight chance of showers in the afternoon. Highs in the upper 60s. Chance of rain 20%.
Wednesday Night... Mostly cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the lower 50s. Chance of rain 30%.
Thursday... Mostly cloudy in the morning, then becoming partly sunny. Highs in the lower 70s.
Thursday Night... Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 50s.
POP = Probability of Precipitation
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