What is today's weather forecast for Watts Bar Dam, TN?

Today's forecast for Watts Bar Dam shows a low of 20 degrees Fahrenheit. Mostly clear, with a low around 20.

What is the 7-day weather forecast for Watts Bar Dam, TN?

The 7-day forecast for Watts Bar Dam shows highs from 44 to 59 degrees and lows from 20 to 41 degrees Fahrenheit. Expect precipitation on 4 days with chances of 20% or higher.

Will it rain in Watts Bar Dam, TN this week?

Yes, rain is possible in Watts Bar Dam this week. Precipitation chances: Thursday (90% chance), Saturday (30% chance), Sunday (40% chance), Monday (30% chance).

How accurate is the Watts Bar Dam weather forecast?

WeatherForYou provides highly accurate Watts Bar Dam forecasts using National Weather Service data and current conditions from the nearest available weather stations, often miles closer than regional airports, for the most precise local forecasts.

Watts Bar Dam, TN Weather Forecast and Current Conditions

Current Conditions From Nearby Station

Switch to Metric Units

24°F
Feels Like 24°F

Humidity 75% Dew Point 17°F Wind SW 1 MPH Gusts 3 Barometer 30.32 in.

Report from a MADIS/MESONET weather station 6.1 mi. NE of central Watts Bar Dam
at 12:47 AM Tue, Dec 16, 2025

Point Forecast at a Glance

MonDec 15

TueDec 16

WedDec 17

ThuDec 18

80%

FriDec 19

SatDec 20

SunDec 21

30%

Jump to detailed forecast ↓

7-Day Temperature Trend

Week Ahead Summary

Variable high temperatures with a significant drop to 44°F mid-week, recovering to 58°F. Some precipitation possible, including both rain and snow.

Climate Context

This week's forecast shows temperatures running 4°F above the historical average for December. Normal highs for this period are around 50°F with lows around 31°F.

This Date in Weather History

1945 - A record December snowstorm buried Buffalo, NY, under 36.6 inches of snow, with unofficial totals south of the city ranging up to 70 inches. Travel was brought to a halt by the storm.

Watts Bar Dam, TN 7 Day Weather Forecast Details

Monday Dec 15

Night: Mostly clear, with a low around 20. Calm wind.

Tuesday Dec 16

Day: Sunny, with a high near 51. Calm wind becoming southwest around 5 mph in the afternoon.

Night: Increasing clouds, with a low around 29. Calm wind.

Wednesday Dec 17

Day: Partly sunny, with a high near 52. Calm wind becoming south around 5 mph.

Night: Mostly cloudy, with a low around 35. Calm wind.

Thursday Dec 18

Day: Showers, mainly after 1pm. High near 59. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 80%.

Night: Rain showers before 4am, then a slight chance of snow showers. Low around 29. South wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%.

Friday Dec 19

Day: Sunny, with a high near 44.

Night: Mostly clear, with a low around 25.

Saturday Dec 20

Day: Sunny, with a high near 55.

Night: A 30 percent chance of showers. Partly cloudy, with a low around 41.

Sunday Dec 21

Day: A 30 percent chance of showers. Mostly cloudy, with a high near 58.

Night: A 40 percent chance of showers. Mostly cloudy, with a low around 40.

Monday Dec 22

Day: A 30 percent chance of showers. Partly sunny, with a high near 58.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.

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