Dayton, TN Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Dayton, TN in one place.
Mostly sunny, with a high near 90. Heat index values as high as 96. Northeast wind around 0 mph.
Local Weather Overview
This forecast page for Dayton, 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: Aug 27, 2026 10:22 PM EDT.
The active forecast window currently covers Aug 29 to Sep 3, 2026 for Dayton, TN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 29 to Sep 3, 2026
- Latest sync
- Aug 27, 2026 10:22 PM EDT
- Forecast office
- MRX
- Source
- NOAA / NWS
Daily Outlook
This Week in Dayton
Tuesday looks like the warmest upcoming period in Dayton at 93 degrees F.
Saturday Night is the coolest period ahead with temperatures near 68 degrees F.
The strongest winds are forecast for Saturday at about 0 mph .
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 27, 2026 10:22 PM 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
Partly cloudy, with a low around 68. Northeast wind around 0 mph.
Mostly sunny, with a high near 90. South wind around 0 mph.
Partly cloudy, with a low around 69. West wind around 0 mph.
Sunny, with a high near 91.
Mostly clear, with a low around 70.
Sunny, with a high near 93.
Mostly clear, with a low around 71.
A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 93. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 93.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Aug 29
|
Mostly Sunny
|
90°F |
0 mph
|
|
Saturday Night
Aug 29
|
Partly Cloudy
|
68°F |
0 mph
|
|
Sunday
Aug 30
|
Mostly Sunny
|
90°F |
0 mph
|
|
Sunday Night
Aug 30
|
Partly Cloudy
|
69°F |
0 mph
|
|
Monday
Aug 31
|
Sunny
|
91°F |
0 mph
|
|
Monday Night
Aug 31
|
Mostly Clear
|
70°F |
0 mph
|
|
Tuesday
Sep 1
|
Sunny
|
93°F |
0 mph
|
|
Tuesday Night
Sep 1
|
Mostly Clear
|
71°F |
0 mph
|
|
Wednesday
Sep 2
|
Sunny then Slight Chance Showers And Thunderstorms
|
93°F |
0 mph
|
|
Wednesday Night
Sep 2
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
72°F |
0 mph
|
|
Thursday
Sep 3
|
Sunny then Slight Chance Showers And Thunderstorms
|
93°F |
0 mph
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Dayton.