Signal Mountain, TN Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Signal Mountain, TN in one place.
Sunny, with a high near 87. Southwest wind 0 to 5 mph.
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: Oct 15, 2026 12:26 PM EDT.
The active forecast window currently covers Oct 15 to Oct 21, 2026 for Signal Mountain, TN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 12:26 PM EDT
- Forecast office
- MRX
- Source
- NOAA / NWS
Daily Outlook
This Week in Signal Mountain
Today looks like the warmest upcoming period in Signal Mountain at 87 degrees F.
Saturday Night is the coolest period ahead with temperatures near 41 degrees F.
The strongest winds are forecast for Friday Night at about 10 to 20 mph NW.
The forecast from Oct 15 through Oct 21 stays mostly dry.
Forecast Details
- Last updated
- Oct 15, 2026 12:26 PM 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
Clear, with a low around 63. South wind 0 to 5 mph.
Sunny. High near 81, with temperatures falling to around 71 in the afternoon. West wind 5 to 15 mph, with gusts as high as 30 mph.
Mostly cloudy, with a low around 49. Northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Mostly sunny, with a high near 60. North wind around 15 mph, with gusts as high as 30 mph.
Mostly clear, with a low around 41. Northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Sunny, with a high near 63. Northeast wind around 5 mph.
Mostly clear, with a low around 42.
Sunny, with a high near 67.
Mostly clear, with a low around 47.
Sunny, with a high near 68.
Mostly clear, with a low around 48.
Sunny, with a high near 72.
Clear, with a low around 49.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Oct 15
|
Sunny
|
87°F |
0 to 5 mph
SW
|
|
Tonight
Oct 15
|
Clear
|
63°F |
0 to 5 mph
S
|
|
Friday
Oct 16
|
Sunny
|
81°F |
5 to 15 mph
W
|
|
Friday Night
Oct 16
|
Mostly Cloudy
|
49°F |
10 to 20 mph
NW
|
|
Saturday
Oct 17
|
Mostly Sunny
|
60°F |
15 mph
N
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
41°F |
10 to 15 mph
NE
|
|
Sunday
Oct 18
|
Sunny
|
63°F |
5 mph
NE
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
42°F |
0 to 5 mph
NE
|
|
Monday
Oct 19
|
Sunny
|
67°F |
0 to 5 mph
NE
|
|
Monday Night
Oct 19
|
Mostly Clear
|
47°F |
0 to 5 mph
NE
|
|
Tuesday
Oct 20
|
Sunny
|
68°F |
0 to 5 mph
NE
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
48°F |
0 to 5 mph
NE
|
|
Wednesday
Oct 21
|
Sunny
|
72°F |
0 mph
|
|
Wednesday Night
Oct 21
|
Clear
|
49°F |
0 mph
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Signal Mountain.
