Jamestown, TN Weather Forecast
Local 7-day forecast
Showers And Thunderstorms Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Jamestown, TN in one place.
Patchy fog before 7am, then a slight chance of showers and thunderstorms between 7am and 8am, then a chance of showers and thunderstorms between 8am and 10am, then showers and thunderstorms likely. Mostly sunny, with a high near 86. West wind 0 to 5 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
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: Jul 17, 2026 8:50 AM CDT.
The active forecast window currently covers Jul 18 to Jul 23, 2026 for Jamestown, TN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 18 to Jul 23, 2026
- Latest sync
- Jul 17, 2026 8:50 AM CDT
- Forecast office
- OHX
- Source
- NOAA / NWS
Daily Outlook
This Week in Jamestown
Tuesday looks like the warmest upcoming period in Jamestown at 89 degrees F.
Thursday Night is the coolest period ahead with temperatures near 62 degrees F.
The strongest winds are forecast for Saturday at about 0 to 5 mph W.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 17, 2026 8:50 AM CDT
- Coverage
- 6 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 slight chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely between 7pm and midnight, then patchy fog and showers and thunderstorms likely between midnight and 1am, then patchy fog and showers and thunderstorms likely. Partly cloudy, with a low around 70. West southwest wind 0 to 5 mph. Chance of precipitation is 60%.
Rain showers likely before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and thunderstorms likely. Mostly sunny, with a high near 86. West northwest wind 0 to 5 mph. Chance of precipitation is 70%.
Showers and thunderstorms likely before 7pm, then areas of fog. Partly cloudy, with a low around 68. North wind around 0 mph. Chance of precipitation is 70%.
Areas of fog before 8am, then a slight chance of showers and thunderstorms. Sunny, with a high near 87. West northwest wind 0 to 5 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 70. Southwest wind around 0 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Southwest wind 0 to 5 mph. Chance of precipitation is 20%.
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 63. Chance of precipitation is 20%.
Sunny, with a high near 84.
Mostly clear, with a low around 62.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Jul 18
|
Showers And Thunderstorms Likely
|
86°F |
0 to 5 mph
W
|
|
Saturday Night
Jul 18
|
Slight Chance Showers And Thunderstorms then Patchy Fog
|
70°F |
0 to 5 mph
WSW
|
|
Sunday
Jul 19
|
Chance Showers And Thunderstorms
|
86°F |
0 to 5 mph
WNW
|
|
Sunday Night
Jul 19
|
Showers And Thunderstorms Likely then Areas Of Fog
|
68°F |
0 mph
|
|
Monday
Jul 20
|
Areas Of Fog then Slight Chance Showers And Thunderstorms
|
87°F |
0 to 5 mph
WNW
|
|
Monday Night
Jul 20
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
70°F |
0 mph
|
|
Tuesday
Jul 21
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
89°F |
0 to 5 mph
SW
|
|
Tuesday Night
Jul 21
|
Chance Showers And Thunderstorms
|
71°F |
0 to 5 mph
W
|
|
Wednesday
Jul 22
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
85°F |
0 to 5 mph
NNW
|
|
Wednesday Night
Jul 22
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
63°F |
0 to 5 mph
NNE
|
|
Thursday
Jul 23
|
Sunny
|
84°F |
0 to 5 mph
NNE
|
|
Thursday Night
Jul 23
|
Mostly Clear
|
62°F |
0 to 5 mph
NE
|
Nearby Forecasts
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Nearby forecast pages are not available for this location yet.