10-day forecast for Newcastle, TN: 38° to 71°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
71°
Best day: Thursday, November 5
70° · 1.39 in
Worst day: Wednesday, November 4
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 0571° / 51°0
Morning57°feels 57°
Afternoon71°feels 69°
Evening57°feels 56°
Overnight53°feels 52°
71 °
Newcastle, Thursday, 5 November
Mostly clear. High 71°, low 51°.
Pressure29.94 inHg
Wind0.6 mph SW
Humidity37%
Visibility6.2 mi
Dew point42°
Fri, 0667° / 50°0
Morning57°feels 56°
Afternoon67°feels 66°
Evening57°feels 56°
Overnight54°feels 53°
67 °
Newcastle, Friday, 6 November
Clear. High 67°, low 50°.
Pressure30.03 inHg
Wind6.8 mph N
Humidity57%
Visibility6.2 mi
Dew point52°
Sat, 0755° / 44°0
Morning48°feels 45°
Afternoon55°feels 53°
Evening45°feels 43°
Overnight50°feels 48°
55 °
Newcastle, Saturday, 7 November
Overcast. High 55°, low 44°.
Pressure30.21 inHg
Wind6.6 mph N
Humidity52%
Visibility6.2 mi
Dew point38°
Sun, 0859° / 38°0
Morning44°feels 43°
Afternoon56°feels 54°
Evening49°feels 48°
Overnight45°feels 43°
59 °
Newcastle, Sunday, 8 November
Clear. High 59°, low 38°.
Pressure30.21 inHg
Wind5.1 mph N
Humidity51%
Visibility—
Dew point37°
Mon, 0965° / 44°0
Morning50°feels 48°
Afternoon63°feels 61°
Evening53°feels 51°
Overnight49°feels 47°
65 °
Newcastle, Monday, 9 November
Mostly clear. High 65°, low 44°.
Pressure30.21 inHg
Wind4.3 mph SW
Humidity52%
Visibility—
Dew point44°
Tue, 1066° / 47°0
Morning52°feels 52°
Afternoon64°feels 63°
Evening56°feels 54°
Overnight52°feels 51°
66 °
Newcastle, Tuesday, 10 November
Clear. High 66°, low 47°.
Pressure30.18 inHg
Wind3.8 mph NW
Humidity52%
Visibility—
Dew point45°
Wed, 1166° / 48°0
Morning53°feels 53°
Afternoon64°feels 62°
Evening56°feels 53°
Overnight54°feels 52°
66 °
Newcastle, Wednesday, 11 November
Overcast. High 66°, low 48°.
Pressure30.12 inHg
Wind3.9 mph NW
Humidity33%
Visibility—
Dew point34°
Thu, 1266° / 47°0
Morning53°feels 52°
Afternoon64°feels 62°
Evening54°feels 52°
Overnight51°feels 49°
66 °
Newcastle, Thursday, 12 November
Overcast. High 66°, low 47°.
Pressure30.03 inHg
Wind5.4 mph N
Humidity37%
Visibility—
Dew point37°
Fri, 1368° / 49°0
Morning54°feels 54°
Afternoon65°feels 64°
Evening57°feels 56°
Overnight54°feels 53°
68 °
Newcastle, Friday, 13 November
Partly cloudy. High 68°, low 49°.
Pressure30.00 inHg
Wind3.6 mph E
Humidity43%
Visibility—
Dew point42°
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.