Dayton, TN Weather Forecast

Local 7-day forecast

83°
F

Patchy Fog then Chance Showers And Thunderstorms

Track current conditions, temperature changes, wind, and the full daily outlook for Dayton, TN in one place.

Tuesday, July 14, 2026
Wind: 0 to 5 mph NE
Tuesday

Patchy fog before 9am, then a chance of showers and thunderstorms between noon and 5pm, then showers and thunderstorms likely. Partly sunny, with a high near 83. Northeast wind 0 to 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.

Local 7-day forecast

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: Jul 13, 2026 12:30 PM EDT.

The active forecast window currently covers Jul 14 to Jul 19, 2026 for Dayton, TN.

Page Snapshot

Page focus
city weather
Forecast window
Jul 14 to Jul 19, 2026
Latest sync
Jul 13, 2026 12:30 PM EDT
Forecast office
MRX
Source
NOAA / NWS
Next High
83°F
Tuesday
Next Low
68°F
Tuesday Night
Rain Outlook
12
Periods mentioning precipitation
Windiest
0 to 5 mph
Tuesday

Daily Outlook

Today
Jul 14
Patchy Fog then Chance Showers And Thunderstorms
83 °F
/ 68°F
Wind 0 to 5 mph
Wed
Jul 15
Patchy Fog then Chance Showers And Thunderstorms
87 °F
/ 69°F
Wind 0 mph
Thu
Jul 16
Sunny then Slight Chance Showers And Thunderstorms
89 °F
/ 71°F
Wind 0 mph
Fri
Jul 17
Sunny then Slight Chance Showers And Thunderstorms
91 °F
/ 72°F
Wind 0 mph
Sat
Jul 18
Mostly Sunny then Chance Showers And Thunderstorms
90 °F
/ 72°F
Wind 0 mph
Sun
Jul 19
Chance Showers And Thunderstorms
89 °F
/ 71°F
Wind 0 to 5 mph

This Week in Dayton

Friday looks like the warmest upcoming period in Dayton at 91 degrees F.

Tuesday Night is the coolest period ahead with temperatures near 68 degrees F.

The strongest winds are forecast for Tuesday at about 0 to 5 mph NE.

Precipitation is mentioned in 12 upcoming forecast periods.

Forecast Details

Last updated
Jul 13, 2026 12:30 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 source

Extended Forecast

Tuesday Night
Jul 14
68°F
Showers And Thunderstorms Likely then Patchy Fog
0 mph

Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms between 7pm and 11pm, then patchy fog. Partly cloudy, with a low around 68. East wind around 0 mph. Chance of precipitation is 60%.

Wednesday
Jul 15
87°F
Patchy Fog then Chance Showers And Thunderstorms
0 mph

Patchy fog before 9am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 87. Northeast wind around 0 mph. Chance of precipitation is 30%.

Wednesday Night
Jul 15
69°F
Chance Showers And Thunderstorms then Mostly Clear
0 mph

A chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 69. Northeast wind around 0 mph. Chance of precipitation is 30%.

Thursday
Jul 16
89°F
Sunny then Slight Chance Showers And Thunderstorms
0 mph

A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 89. North wind around 0 mph. Chance of precipitation is 20%.

Thursday Night
Jul 16
71°F
Slight Chance Showers And Thunderstorms then Mostly Clear
0 mph

A slight chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 71. Chance of precipitation is 20%.

Friday
Jul 17
91°F
Sunny then Slight Chance Showers And Thunderstorms
0 mph

A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 91. Chance of precipitation is 20%.

Friday Night
Jul 17
72°F
Slight Chance Showers And Thunderstorms then Mostly Clear
0 mph

A slight chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 72. Chance of precipitation is 20%.

Saturday
Jul 18
90°F
Mostly Sunny then Chance Showers And Thunderstorms
0 mph

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 30%.

Saturday Night
Jul 18
72°F
Chance Showers And Thunderstorms
0 mph

A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 72. Chance of precipitation is 30%.

Sunday
Jul 19
89°F
Chance Showers And Thunderstorms
0 to 5 mph W

A chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 89. Chance of precipitation is 30%.

Sunday Night
Jul 19
71°F
Chance Showers And Thunderstorms
0 to 5 mph SW

A chance of showers and thunderstorms before 2am. Mostly clear, with a low around 71.

Detailed Forecast

Period Conditions Temp Wind
Tuesday
Jul 14
Patchy Fog then Chance Showers And Thunderstorms
83°F
0 to 5 mph
NE
Tuesday Night
Jul 14
Showers And Thunderstorms Likely then Patchy Fog
68°F
0 mph
Wednesday
Jul 15
Patchy Fog then Chance Showers And Thunderstorms
87°F
0 mph
Wednesday Night
Jul 15
Chance Showers And Thunderstorms then Mostly Clear
69°F
0 mph
Thursday
Jul 16
Sunny then Slight Chance Showers And Thunderstorms
89°F
0 mph
Thursday Night
Jul 16
Slight Chance Showers And Thunderstorms then Mostly Clear
71°F
0 mph
Friday
Jul 17
Sunny then Slight Chance Showers And Thunderstorms
91°F
0 mph
Friday Night
Jul 17
Slight Chance Showers And Thunderstorms then Mostly Clear
72°F
0 mph
Saturday
Jul 18
Mostly Sunny then Chance Showers And Thunderstorms
90°F
0 mph
Saturday Night
Jul 18
Chance Showers And Thunderstorms
72°F
0 mph
Sunday
Jul 19
Chance Showers And Thunderstorms
89°F
0 to 5 mph
W
Sunday Night
Jul 19
Chance Showers And Thunderstorms
71°F
0 to 5 mph
SW
Rhea county courthouse usda
Rhea county courthouse usda image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.