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Decatur, Tennessee

Current conditions and the National Weather Service 7-day forecast for Decatur, Tennessee — temperature, rain chance, wind, radar and active alerts.

Saturday Aug 29 night: a low around 69°F. Sunday Aug 30: a high near 92°F and a low around 70°F. Highs over the period run 92°F to 95°F.

National Weather Service forecast for Decatur, Tennessee
DayHighLowPrecip
Saturday Aug 2969°
Sunday Aug 3092°70°
Monday Aug 3193°71°
Tuesday Sep 195°73°
Wednesday Sep 295°73°
Thursday Sep 395°73°
Friday Sep 494°72°
Saturday Sep 593°

NOAA NWS NDFD 2.5 km, run 2026-08-29 23:00 UTC · days are local time in America/New York. The live page updates continuously.

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