What is the 7-day weather forecast for Signal Mountain, TN?

The 7-day forecast for Signal Mountain shows highs from 62 to 69 degrees and lows from 47 to 61 degrees Fahrenheit. Expect precipitation on 6 days with chances of 20% or higher.

Will it rain in Signal Mountain, TN this week?

Yes, rain is possible in Signal Mountain this week. Precipitation chances: Thursday (60% chance), Friday (80% chance), Saturday (30% chance), Monday (40% chance), Tuesday (70% chance), Wednesday (30% chance).

How accurate is the Signal Mountain weather forecast?

WeatherForYou provides highly accurate Signal Mountain 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.

Signal Mountain, TN Weather Forecast and Current Conditions

WEATHER ALERTS - Dense Fog Advisory

Current Conditions From Nearby Local Station

Switch to Metric Units

60°F
Feels Like 60°F

Humidity 94% Dew Point 58°F Wind Calm Barometer 30.09 in.764.3 mm

Solar Rad 81 w/m²

Report from a MADIS/MESONET weather station 1.3 miles W of central Signal Mountain
at 9:30 AM Thu, Nov 20, 2025

Point Forecast at a Glance

ThuNov 20

60%

FriNov 21

50%

SatNov 22

30%

SunNov 23

MonNov 24

20%

TueNov 25

70%

WedNov 26

30%

7-Day Temperature Trend

Week Ahead Summary

High temperatures remain relatively stable through the week, ranging from 62°F to 69°F. Unsettled weather expected with rain likely on at least 6 days.

Climate Context

This week's forecast shows temperatures running 6°F above the historical average for November. Normal highs for this period are around 60°F with lows around 38°F.

This Date in Weather History

1869 - A second great windstorm in three days struck Vermont and New York blowing railroad trains off their tracks.

Signal Mountain, TN 7 Day Weather Forecast Details

Thursday Nov 20

Day: A slight chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 69. Calm wind becoming south around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Night: Showers and thunderstorms likely, mainly before 1am. Cloudy, with a low around 60. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday Nov 21

Day: A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 69. Southwest wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Night: Showers and possibly a thunderstorm before 10pm, then showers between 10pm and 1am, then showers and possibly a thunderstorm after 1am. Low around 61. Southwest wind around 5 mph. Chance of precipitation is 80%.

Saturday Nov 22

Day: A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 69. West wind around 5 mph.

Night: Mostly clear, with a low around 50. Northwest wind around 5 mph becoming calm after midnight.

Sunday Nov 23

Day: Sunny, with a high near 65. Calm wind becoming northeast around 5 mph.

Night: Partly cloudy, with a low around 47.

Monday Nov 24

Day: A 20 percent chance of showers. Partly sunny, with a high near 65.

Night: A 40 percent chance of showers. Mostly cloudy, with a low around 55.

Tuesday Nov 25

Day: Showers likely. Mostly cloudy, with a high near 64. Chance of precipitation is 70%.

Night: A 50 percent chance of showers. Mostly cloudy, with a low around 54.

Wednesday Nov 26

Day: A 30 percent chance of showers. Partly sunny, with a high near 62.

About Signal Mountain, TN

Signal Mountain is a town in Hamilton County, Tennessee, United States. The town is a suburb of Chattanooga and is located on Walden Ridge. "Signal Mountain" is used as a colloquial name for the part of Walden Ridge close to the town. The town population was 8,852 as of the 2020 census and estimated to be 8,567 in 2018.

Content from Wikipedia, licensed under CC BY-SA 3.0.

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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