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City of Jamestown, TNJamestown, TN 7-Day Night Weather Forecast
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Jamestown, TN Weather Forecast
Jamestown, TN Weather Forecast Date: 1048 PM CDT Thu Oct 22 2026
The area/counties/county of: Fentress, including the cities of: Jamestown and Allardt.or toggle through each period.
Overnight... Clear. Lows around 40. Northeast winds around 5 mph.
Friday... Sunny. Highs in the lower 70s. Northeast winds around 5 mph.
Friday Night... Clear. Patchy fog after midnight. Lows in the lower 40s. East winds around 5 mph, becoming southeast after midnight.
Saturday... Sunny. Highs in the lower 70s. South winds around 5 mph, becoming north in the afternoon.
Saturday Night... Mostly clear. Patchy fog after midnight. Lows in the lower 40s. Light and variable winds.
Sunday... Patchy fog in the morning. Sunny. Highs in the lower 70s.
Sunday Night... Mostly clear. Patchy fog after midnight. Lows in the lower 40s.
Monday... Areas of fog in the morning. Sunny. Highs in the lower 70s.
Monday Night... Partly cloudy. Lows in the mid 40s.
Tuesday... Mostly sunny. Highs in the lower 70s.
Tuesday Night... Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 40s.
Wednesday... Mostly sunny. Highs in the lower 70s.
Wednesday Night... Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 40s.
POP = Probability of Precipitation
Jamestown Radar Loop
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