As of 16:38 CDT

Weather in Harwell, TN

77°Current weather

Harwell, Tuesday, 20 October, 16:38

Clear. Feels like 76°. High 77°, low 43°.

Pressure30.21 inHg
Wind6.9 mph N
Humidity27%
Visibility6.2 mi
Dew point41°

10-day forecast for Harwell, TN: 36° to 78°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.

78°
Best day: Wednesday, October 21
59°
Worst day: Thursday, October 29

Tap any day below to see morning, afternoon, evening and overnight.

Wed, 2178° / 43°0Clear
MorningClear51°feels 49°
AfternoonClear77°feels 75°
EveningClear55°feels 52°
OvernightClear48°feels 45°
78 °Clear

Harwell, Wednesday, 21 October

Clear. High 78°, low 43°.

Pressure30.21 inHg
Wind1.9 mph NE
Humidity33%
Visibility6.2 mi
Dew point42°
Thu, 2275° / 44°0Clear
MorningClear54°feels 52°
AfternoonClear75°feels 74°
EveningClear63°feels 61°
OvernightClear48°feels 45°
75 °Clear

Harwell, Thursday, 22 October

Clear. High 75°, low 44°.

Pressure30.21 inHg
Wind8.2 mph NE
Humidity31%
Visibility6.2 mi
Dew point40°
Fri, 2374° / 51°0Clear
MorningClear54°feels 52°
AfternoonClear74°feels 73°
EveningClear62°feels 60°
OvernightClear56°feels 55°
74 °Clear

Harwell, Friday, 23 October

Clear. High 74°, low 51°.

Pressure30.24 inHg
Wind4.1 mph E
Humidity33%
Visibility6.2 mi
Dew point41°
Sat, 2472° / 53°0Clear
MorningClear56°feels 55°
AfternoonClear72°feels 70°
EveningClear63°feels 61°
OvernightClear55°feels 53°
72 °Clear

Harwell, Saturday, 24 October

Clear. High 72°, low 53°.

Pressure30.39 inHg
Wind7 mph S
Humidity44%
Visibility6.2 mi
Dew point45°
Sun, 2573° / 49°0Overcast
MorningOvercast55°feels 54°
AfternoonOvercast70°feels 68°
EveningOvercast62°feels 60°
OvernightOvercast56°feels 54°
73 °Overcast

Harwell, Sunday, 25 October

Overcast. High 73°, low 49°.

Pressure30.39 inHg
Wind4.8 mph SE
Humidity36%
Visibility—
Dew point40°
Mon, 2671° / 50°0Overcast
MorningOvercast56°feels 55°
AfternoonOvercast68°feels 67°
EveningOvercast58°feels 56°
OvernightOvercast54°feels 52°
71 °Overcast

Harwell, Monday, 26 October

Overcast. High 71°, low 50°.

Pressure30.27 inHg
Wind6.7 mph SE
Humidity40%
Visibility—
Dew point42°
Tue, 2772° / 53°0Overcast
MorningOvercast58°feels 56°
AfternoonOvercast69°feels 68°
EveningOvercast63°feels 61°
OvernightOvercast59°feels 57°
72 °Overcast

Harwell, Tuesday, 27 October

Overcast. High 72°, low 53°.

Pressure30.21 inHg
Wind3.6 mph S
Humidity40%
Visibility—
Dew point43°
Wed, 2865° / 49°0Overcast
MorningOvercast58°feels 56°
AfternoonOvercast63°feels 62°
EveningOvercast52°feels 50°
OvernightOvercast50°feels 47°
65 °Overcast

Harwell, Wednesday, 28 October

Overcast. High 65°, low 49°.

Pressure30.18 inHg
Wind10.3 mph N
Humidity60%
Visibility—
Dew point49°
Thu, 2959° / 36°0Overcast
MorningOvercast42°feels 37°
AfternoonOvercast56°feels 53°
EveningOvercast47°feels 44°
OvernightOvercast43°feels 39°
59 °Overcast

Harwell, Thursday, 29 October

Overcast. High 59°, low 36°.

Pressure30.24 inHg
Wind11.5 mph N
Humidity33%
Visibility—
Dew point26°

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 Harwell, 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.