Weather in Mercer, TN
Updated 2026-09-26 10:00 local time · ZIP codes 38392
Cloudy
No government weather alerts were returned for this location at the latest update.
Next hours
74°5% rain
77°9% rain80°8% rain83°9% rain85°9% rain86°9% rain85°9% rain83°9% rain81°9% rain
77°9% rain
72°9% rain
70°27% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 27%).
It feels like 68°F with winds near 5 mph.
74°F, 5% rain chance and 5 mph wind.
Visibility is around 6 mi; gusts may reach 21 mph.
Current temperature is 74°F, wind 5 mph, rain chance up to 27%.
UV index is 3.
Local weather characteristics in Mercer
Tennessee has a humid climate with hot summers and relatively mild winters. Elevation in the east can make mountain locations notably cooler and wetter.
Mercer is part of the South weather region. The forecast point is near 35.48°N latitude and 89.04°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Mercer weather today
Cloudy and 74°F in Mercer, TN. Today's high is 86°F with a 19% rain chance. Winds are around 5 mph with gusts near 6 mph. Relative humidity is 28%, pressure is 30.10 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Mercer
Sunrise is at 06:47 AM and sunset is at 06:47 PM. Tomorrow's forecast calls for Overcast with a high near 83°F and a low near 66°F. The maximum rain chance is 5%.