Jamestown, TN Weather Forecast
Local 7-day forecast
Slight Chance Rain Showers then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Jamestown, TN in one place.
A slight chance of rain showers between 7am and 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 84. South southwest wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
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: Apr 15, 2026 9:47 AM CDT.
The active forecast window currently covers Apr 18 to Apr 21, 2026 for Jamestown, TN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 18 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 9:47 AM CDT
- Forecast office
- OHX
- Source
- NOAA / NWS
Daily Outlook
This Week in Jamestown
Saturday looks like the warmest upcoming period in Jamestown at 84 degrees F.
Sunday Night is the coolest period ahead with temperatures near 37 degrees F.
The strongest winds are forecast for Saturday at about 5 to 10 mph SSW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 9:47 AM CDT
- Coverage
- 4 days
- Time zone
- America/Chicago
- Forecast office
- OHX
- Radar station
- KMRX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 44. West wind around 10 mph. Chance of precipitation is 60%.
Rain showers likely before 1pm. Partly sunny, with a high near 62. Northwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Mostly clear, with a low around 37.
Sunny, with a high near 66.
Mostly clear, with a low around 41.
Mostly sunny, with a high near 74.
Mostly clear, with a low around 49.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 18
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
84°F |
5 to 10 mph
SSW
|
|
Saturday Night
Apr 18
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
44°F |
10 mph
W
|
|
Sunday
Apr 19
|
Rain Showers Likely
|
62°F |
10 mph
NW
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
37°F |
5 to 10 mph
NNW
|
|
Monday
Apr 20
|
Sunny
|
66°F |
5 mph
NNW
|
|
Monday Night
Apr 20
|
Mostly Clear
|
41°F |
5 mph
SE
|
|
Tuesday
Apr 21
|
Mostly Sunny
|
74°F |
5 mph
SSW
|
|
Tuesday Night
Apr 21
|
Mostly Clear
|
49°F |
5 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Jamestown.
Nearby forecast pages are not available for this location yet.