Signal Mountain, TN Weather Forecast
Local 7-day forecast
Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Signal Mountain, TN in one place.
Rain showers likely before 11am, then showers and thunderstorms. Mostly cloudy, with a high near 80. Southeast wind 0 to 5 mph. Chance of precipitation is 90%.
Local Weather Overview
This forecast page for Signal Mountain, TN is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: May 24, 2026 2:03 AM EDT.
The active forecast window currently covers May 25 to May 30, 2026 for Signal Mountain, TN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 25 to May 30, 2026
- Latest sync
- May 24, 2026 2:03 AM EDT
- Forecast office
- MRX
- Source
- NOAA / NWS
Daily Outlook
This Week in Signal Mountain
Thursday looks like the warmest upcoming period in Signal Mountain at 83 degrees F.
Friday Night is the coolest period ahead with temperatures near 62 degrees F.
The strongest winds are forecast for Memorial Day at about 0 to 5 mph SE.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- May 24, 2026 2:03 AM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- MRX
- Radar station
- KHTX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms. Mostly cloudy, with a low around 65. Southeast wind 0 to 5 mph. Chance of precipitation is 90%.
Rain showers likely before 11am, then showers and thunderstorms. Mostly cloudy, with a high near 81. South wind 0 to 5 mph. Chance of precipitation is 90%.
Showers and thunderstorms. Mostly cloudy, with a low around 66. South wind 0 to 5 mph. Chance of precipitation is 90%.
A chance of rain showers before 8am, then showers and thunderstorms likely. Mostly cloudy, with a high near 81. Chance of precipitation is 70%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 65. Chance of precipitation is 70%.
A slight chance of rain showers before 8am, then showers and thunderstorms likely. Partly sunny, with a high near 83. Chance of precipitation is 60%.
Showers and thunderstorms likely before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
A chance of rain showers before 8am, then showers and thunderstorms likely. Mostly cloudy, with a high near 80. Chance of precipitation is 70%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 62. Chance of precipitation is 70%.
A chance of rain showers before 8am, then showers and thunderstorms likely. Partly sunny, with a high near 78.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Memorial Day
May 25
|
Showers And Thunderstorms
|
80°F |
0 to 5 mph
SE
|
|
Monday Night
May 25
|
Showers And Thunderstorms
|
65°F |
0 to 5 mph
SE
|
|
Tuesday
May 26
|
Showers And Thunderstorms
|
81°F |
0 to 5 mph
S
|
|
Tuesday Night
May 26
|
Showers And Thunderstorms
|
66°F |
0 to 5 mph
S
|
|
Wednesday
May 27
|
Showers And Thunderstorms Likely
|
81°F |
5 mph
S
|
|
Wednesday Night
May 27
|
Showers And Thunderstorms Likely
|
65°F |
0 to 5 mph
S
|
|
Thursday
May 28
|
Showers And Thunderstorms Likely
|
83°F |
0 mph
|
|
Thursday Night
May 28
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
65°F |
0 mph
|
|
Friday
May 29
|
Showers And Thunderstorms Likely
|
80°F |
0 to 5 mph
SW
|
|
Friday Night
May 29
|
Showers And Thunderstorms Likely
|
62°F |
0 to 5 mph
N
|
|
Saturday
May 30
|
Showers And Thunderstorms Likely
|
78°F |
5 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Signal Mountain.
