10-day forecast for Newcastle, TN: 28° to 70°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
70°
Best day: Friday, November 20
47°
Worst day: Monday, November 23
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 1554° / 28°0
Morning38°feels 34°
Afternoon54°feels 51°
Evening39°feels 34°
Overnight30°feels 25°
54 °
Newcastle, Sunday, 15 November
Overcast. High 54°, low 28°.
Pressure30.39 inHg
Wind7.3 mph NE
Humidity44%
Visibility6.2 mi
Dew point31°
Mon, 1655° / 30°0
Morning41°feels 38°
Afternoon55°feels 52°
Evening43°feels 40°
Overnight33°feels 29°
55 °
Newcastle, Monday, 16 November
Clear. High 55°, low 30°.
Pressure30.50 inHg
Wind5.6 mph NE
Humidity48%
Visibility6.2 mi
Dew point34°
Tue, 1762° / 37°0
Morning43°feels 39°
Afternoon62°feels 59°
Evening48°feels 45°
Overnight38°feels 35°
62 °
Newcastle, Tuesday, 17 November
Clear. High 62°, low 37°.
Pressure30.50 inHg
Wind5.1 mph SE
Humidity43%
Visibility6.2 mi
Dew point38°
Wed, 1863° / 41°0
Morning48°feels 45°
Afternoon63°feels 60°
Evening51°feels 49°
Overnight43°feels 39°
63 °
Newcastle, Wednesday, 18 November
Overcast. High 63°, low 41°.
Pressure30.42 inHg
Wind5.9 mph S
Humidity39%
Visibility6.2 mi
Dew point36°
Thu, 1969° / 45°0
Morning52°feels 50°
Afternoon67°feels 65°
Evening57°feels 56°
Overnight51°feels 50°
69 °
Newcastle, Thursday, 19 November
Clear. High 69°, low 45°.
Pressure30.39 inHg
Wind6.6 mph SE
Humidity42%
Visibility—
Dew point41°
Fri, 2070° / 48°0
Morning54°feels 52°
Afternoon68°feels 66°
Evening58°feels 56°
Overnight54°feels 52°
70 °
Newcastle, Friday, 20 November
Overcast. High 70°, low 48°.
Pressure30.27 inHg
Wind5.1 mph SE
Humidity39%
Visibility—
Dew point41°
Sat, 2168° / 48°0
Morning53°feels 51°
Afternoon65°feels 63°
Evening55°feels 52°
Overnight53°feels 50°
68 °
Newcastle, Saturday, 21 November
Clear. High 68°, low 48°.
Pressure30.12 inHg
Wind11.7 mph S
Humidity28%
Visibility—
Dew point31°
Sun, 2261° / 46°0
Morning55°feels 53°
Afternoon59°feels 58°
Evening50°feels 47°
Overnight47°feels 44°
61 °
Newcastle, Sunday, 22 November
Clear. High 61°, low 46°.
Pressure30.09 inHg
Wind11.7 mph SW
Humidity53%
Visibility—
Dew point43°
Mon, 2347° / 37°0
Morning40°feels 35°
Afternoon46°feels 41°
Evening40°feels 35°
Overnight38°feels 32°
47 °
Newcastle, Monday, 23 November
Overcast. High 47°, low 37°.
Pressure30.30 inHg
Wind11.8 mph N
Humidity43%
Visibility—
Dew point24°
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 Newcastle, 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.