Jamestown, TN Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Jamestown, TN in one place.
Mostly sunny, with a high near 88. North wind 0 to 5 mph.
Local Weather Overview
This forecast page for Jamestown, 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 23, 2026 7:09 PM CDT.
The active forecast window currently covers Aug 24 to Aug 29, 2026 for Jamestown, TN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 24 to Aug 29, 2026
- Latest sync
- Aug 23, 2026 7:09 PM CDT
- Forecast office
- OHX
- Source
- NOAA / NWS
Daily Outlook
This Week in Jamestown
Wednesday looks like the warmest upcoming period in Jamestown at 92 degrees F.
Monday Night is the coolest period ahead with temperatures near 62 degrees F.
The strongest winds are forecast for Monday at about 0 to 5 mph N.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 23, 2026 7:09 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- OHX
- Radar station
- KOHX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 62. East northeast wind 0 to 5 mph.
Sunny, with a high near 90. East northeast wind 0 to 5 mph.
Mostly clear, with a low around 66. East wind 0 to 5 mph.
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. South southwest wind 0 to 5 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 70. South southwest wind 0 to 5 mph. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 91. Southwest wind 0 to 5 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
Mostly sunny, with a high near 91.
Mostly clear, with a low around 67.
Sunny, with a high near 91.
Mostly clear, with a low around 68.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Aug 24
|
Mostly Sunny
|
88°F |
0 to 5 mph
N
|
|
Monday Night
Aug 24
|
Mostly Clear
|
62°F |
0 to 5 mph
ENE
|
|
Tuesday
Aug 25
|
Sunny
|
90°F |
0 to 5 mph
ENE
|
|
Tuesday Night
Aug 25
|
Mostly Clear
|
66°F |
0 to 5 mph
E
|
|
Wednesday
Aug 26
|
Mostly Sunny then Chance Showers And Thunderstorms
|
92°F |
0 to 5 mph
SSW
|
|
Wednesday Night
Aug 26
|
Chance Showers And Thunderstorms
|
70°F |
0 to 5 mph
SSW
|
|
Thursday
Aug 27
|
Chance Showers And Thunderstorms
|
91°F |
0 to 5 mph
SW
|
|
Thursday Night
Aug 27
|
Chance Showers And Thunderstorms
|
68°F |
0 to 5 mph
W
|
|
Friday
Aug 28
|
Mostly Sunny
|
91°F |
0 to 5 mph
N
|
|
Friday Night
Aug 28
|
Mostly Clear
|
67°F |
0 to 5 mph
NE
|
|
Saturday
Aug 29
|
Sunny
|
91°F |
0 to 5 mph
ENE
|
|
Saturday Night
Aug 29
|
Mostly Clear
|
68°F |
0 to 5 mph
ESE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Jamestown.