Signal Mountain, TN Weather Forecast
Local 7-day forecast
Partly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Signal Mountain, TN in one place.
Partly cloudy, with a low around 72. South wind 0 to 5 mph. New rainfall amounts less than a tenth of an inch possible.
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: Jul 10, 2026 4:24 AM EDT.
The active forecast window currently covers Jul 10 to Jul 16, 2026 for Signal Mountain, TN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 10 to Jul 16, 2026
- Latest sync
- Jul 10, 2026 4:24 AM EDT
- Forecast office
- MRX
- Source
- NOAA / NWS
Daily Outlook
This Week in Signal Mountain
Friday looks like the warmest upcoming period in Signal Mountain at 89 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 68 degrees F.
The strongest winds are forecast for Friday at about 5 to 10 mph SW.
Precipitation is mentioned in 14 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 10, 2026 4:24 AM EDT
- Coverage
- 7 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
A slight chance of rain showers before 7am, then a chance of showers and thunderstorms. Partly sunny. High near 89, with temperatures falling to around 86 in the afternoon. Heat index values as high as 96. Southwest wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
A slight chance of showers and thunderstorms before 2am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Southwest wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms likely before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and thunderstorms. Partly sunny, with a high near 86. Southwest wind around 5 mph. Chance of precipitation is 80%.
Showers and thunderstorms. Mostly cloudy, with a low around 70. West wind 0 to 5 mph. Chance of precipitation is 80%.
Showers and thunderstorms likely before 11am, then showers and thunderstorms likely. Mostly cloudy, with a high near 85. West wind 0 to 5 mph. Chance of precipitation is 70%.
Showers and thunderstorms likely before 8pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 70. Southwest wind 0 to 5 mph. Chance of precipitation is 70%.
A chance of rain showers before 8am, then showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 80%.
Showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 80%.
A slight chance of rain showers before 8am, then a chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 68. Chance of precipitation is 40%.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jul 10
|
Partly Cloudy
|
72°F |
0 to 5 mph
S
|
|
Friday
Jul 10
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
89°F |
5 to 10 mph
SW
|
|
Friday Night
Jul 10
|
Slight Chance Showers And Thunderstorms
|
73°F |
5 mph
SW
|
|
Saturday
Jul 11
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
86°F |
5 mph
SW
|
|
Saturday Night
Jul 11
|
Showers And Thunderstorms
|
70°F |
0 to 5 mph
W
|
|
Sunday
Jul 12
|
Showers And Thunderstorms Likely
|
85°F |
0 to 5 mph
W
|
|
Sunday Night
Jul 12
|
Showers And Thunderstorms Likely
|
70°F |
0 to 5 mph
SW
|
|
Monday
Jul 13
|
Showers And Thunderstorms
|
83°F |
0 to 5 mph
SE
|
|
Monday Night
Jul 13
|
Showers And Thunderstorms then Chance Showers And Thunderstorms
|
69°F |
0 to 5 mph
E
|
|
Tuesday
Jul 14
|
Chance Showers And Thunderstorms
|
84°F |
0 to 5 mph
E
|
|
Tuesday Night
Jul 14
|
Chance Showers And Thunderstorms then Partly Cloudy
|
68°F |
0 to 5 mph
SE
|
|
Wednesday
Jul 15
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
87°F |
0 to 5 mph
NE
|
|
Wednesday Night
Jul 15
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
70°F |
0 to 5 mph
W
|
|
Thursday
Jul 16
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
89°F |
0 to 5 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Signal Mountain.
