10-day forecast for Jefferson, TN: 66° to 92°, with precipitation expected on 9 days. The table below breaks each day into morning, afternoon, evening and overnight.
90°
Best day: Monday, August 17
88° · 0.76 in
Worst day: Wednesday, August 12
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1092° / 70°0.06
Morning77°feels 78°
Afternoon92°feels 102°
Evening78°feels 79°
Overnight71°feels 73°
92 °
Jefferson, Monday, 10 August
Light rain. High 92°, low 70°.
Pressure30.09 inHg
Wind5.2 mph SW
Humidity62%
Visibility6.2 mi
Dew point72°
Tue, 1188° / 69°0.38
Morning75°feels 77°
Afternoon88°feels 96°
Evening71°feels 72°
Overnight71°feels 72°
88 °
Jefferson, Tuesday, 11 August
Heavy rain. High 88°, low 69°.
Pressure30.03 inHg
Wind9.1 mph SW
Humidity63%
Visibility6.2 mi
Dew point73°
Wed, 1288° / 70°0.76
Morning75°feels 76°
Afternoon89°feels 97°
Evening73°feels 74°
Overnight71°feels 72°
88 °
Jefferson, Wednesday, 12 August
Heavy rain. High 88°, low 70°.
Pressure29.94 inHg
Wind9.7 mph SW
Humidity65%
Visibility6.2 mi
Dew point72°
Thu, 1385° / 66°0.11
Morning73°feels 75°
Afternoon82°feels 87°
Evening78°feels 79°
Overnight73°feels 74°
85 °
Jefferson, Thursday, 13 August
Light rain. High 85°, low 66°.
Pressure30.00 inHg
Wind6.3 mph SW
Humidity70%
Visibility—
Dew point70°
Fri, 1483° / 71°0.39
Morning74°feels 75°
Afternoon80°feels 81°
Evening80°feels 85°
Overnight74°feels 76°
83 °
Jefferson, Friday, 14 August
Rain. High 83°, low 71°.
Pressure30.06 inHg
Wind7.1 mph SW
Humidity79%
Visibility—
Dew point72°
Sat, 1582° / 69°0.36
Morning75°feels 77°
Afternoon80°feels 85°
Evening71°feels 72°
Overnight70°feels 71°
82 °
Jefferson, Saturday, 15 August
Rain. High 82°, low 69°.
Pressure30.18 inHg
Wind6.5 mph N
Humidity73%
Visibility—
Dew point71°
Sun, 1690° / 67°0.08
Morning74°feels 78°
Afternoon86°feels 94°
Evening81°feels 88°
Overnight76°feels 77°
90 °
Jefferson, Sunday, 16 August
Light rain. High 90°, low 67°.
Pressure30.09 inHg
Wind9.7 mph SW
Humidity64%
Visibility—
Dew point71°
Mon, 1790° / 72°0.02
Morning78°feels 81°
Afternoon88°feels 95°
Evening76°feels 77°
Overnight72°feels 74°
90 °
Jefferson, Monday, 17 August
Light rain. High 90°, low 72°.
Pressure30.03 inHg
Wind9.2 mph NW
Humidity56%
Visibility—
Dew point70°
Tue, 1890° / 69°0.34
Morning78°feels 81°
Afternoon88°feels 97°
Evening79°feels 83°
Overnight70°feels 71°
90 °
Jefferson, Tuesday, 18 August
Rain. High 90°, low 69°.
Pressure29.97 inHg
Wind7.1 mph NW
Humidity59%
Visibility—
Dew point71°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Jefferson, TN around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.