Home / Local Weather & Traffic / Tennessee / Smith County / Hourly Weather - 48hr View

Smith County, TN Hourly Weather Forecast

Next 48 Hours

Tue, Aug 18th 2026

Sunny skies giving way to Clear conditions by evening. Warming trend from 71°F to 87°. Light winds, shifting from NW to E at 4.2 mph, with humidity levels between 48% to 84%, and an avg barometric pressure of 29.99 inHg.
Tue, Aug 18th Temp Humidity Wind (mph) Pressure (inHg) Precip.
5 AM Clear at 5 AM on Tue, Aug 18th 2026
Clear
UV: 0
73°F

Feels
78°F
82% 3.1 NW 30 14%
6 AM Cloudy at 6 AM on Tue, Aug 18th 2026
Cloudy
UV: 0
72°F

Feels
77°F
83% 2.7 NNW 30.01 25%
7 AM Sunny at 7 AM on Tue, Aug 18th 2026
Sunny
UV: 0.3
73°F

Feels
78°F
84% 2.5 NNW 30.03 14%
8 AM Sunny at 8 AM on Tue, Aug 18th 2026
Sunny
UV: 1.1
75°F

Feels
80°F
78% 2.2 NNW 30.03 9%
9 AM Sunny at 9 AM on Tue, Aug 18th 2026
Sunny
UV: 2.7
78°F

Feels
82°F
72% 3.1 NW 30.03 6%
10 AM Sunny at 10 AM on Tue, Aug 18th 2026
Sunny
UV: 5
80°F

Feels
83°F
65% 5.1 NW 30.04 5%
11 AM Sunny at 11 AM on Tue, Aug 18th 2026
Sunny
UV: 7.2
86°F

Feels
90°F
58% 5.8 NW 30.04 3%
12 PM Sunny at 12 PM on Tue, Aug 18th 2026
Sunny
UV: 8.7
87°F

Feels
90°F
52% 4.9 NW 30.01 2%
1 PM Sunny at 1 PM on Tue, Aug 18th 2026
Sunny
UV: 9.1
83°F

Feels
84°F
52% 5.8 NW 30 2%
2 PM Sunny at 2 PM on Tue, Aug 18th 2026
Sunny
UV: 8.1
84°F

Feels
85°F
50% 6 NW 29.99 2%
3 PM Sunny at 3 PM on Tue, Aug 18th 2026
Sunny
UV: 6.1
85°F

Feels
86°F
48% 6 NW 29.98 1%
4 PM Sunny at 4 PM on Tue, Aug 18th 2026
Sunny
UV: 3.8
85°F

Feels
86°F
48% 6 NW 29.97 1%
5 PM Sunny at 5 PM on Tue, Aug 18th 2026
Sunny
UV: 1.8
84°F

Feels
86°F
53% 6.3 NW 29.97 2%
6 PM Sunny at 6 PM on Tue, Aug 18th 2026
Sunny
UV: 0.6
83°F

Feels
86°F
62% 4.7 NW 29.96 4%
7 PM Sunny at 7 PM on Tue, Aug 18th 2026
Sunny
UV: 0
80°F

Feels
83°F
71% 3.8 WNW 29.96 6%
8 PM Clear at 8 PM on Tue, Aug 18th 2026
Clear
UV: 0
76°F

Feels
80°F
72% 3.1 NNW 29.97 6%
9 PM Clear at 9 PM on Tue, Aug 18th 2026
Clear
UV: 0
74°F

Feels
77°F
74% 3.6 N 29.97 7%
10 PM Clear at 10 PM on Tue, Aug 18th 2026
Clear
UV: 0
72°F

Feels
76°F
79% 2.5 NNE 29.97 9%
11 PM Clear at 11 PM on Tue, Aug 18th 2026
Clear
UV: 0
71°F

Feels
76°F
83% 2.2 E 29.96 10%

Wed, Aug 19th 2026

Starting off Sunny skies, turning Clear conditions later in the day. Warming trend from 67°F to 89°. Light winds, shifting from SE to E at 4.1 mph, while humidity ranges from 41% to 91%, and an avg barometric pressure of 29.93 inHg.
Wed, Aug 19th Temp Humidity Wind (mph) Pressure (inHg) Precip.
12 AM Clear at 12 AM on Wed, Aug 19th 2026
Clear
UV: 0
71°F

Feels
75°F
85% 2.7 SE 29.97 11%
1 AM Clear at 1 AM on Wed, Aug 19th 2026
Clear
UV: 0
70°F

Feels
75°F
86% 2 ESE 29.96 12%
2 AM Clear at 2 AM on Wed, Aug 19th 2026
Clear
UV: 0
69°F

Feels
74°F
87% 2 ESE 29.96 12%
3 AM Clear at 3 AM on Wed, Aug 19th 2026
Clear
UV: 0
69°F

Feels
73°F
89% 2.5 ESE 29.95 13%
4 AM Overcast at 4 AM on Wed, Aug 19th 2026
Overcast
UV: 0
68°F

Feels
72°F
90% 2.7 SE 29.94 26%
5 AM Clear at 5 AM on Wed, Aug 19th 2026
Clear
UV: 0
67°F

Feels
71°F
91% 1.8 SSE 29.94 14%
6 AM Partly Cloudy at 6 AM on Wed, Aug 19th 2026
Partly Cloudy
UV: 0
67°F

Feels
71°F
91% 2.2 SSE 29.94 21%
7 AM Overcast at 7 AM on Wed, Aug 19th 2026
Overcast
UV: 0.3
70°F

Feels
74°F
87% 2 ESE 29.96 27%
8 AM Cloudy at 8 AM on Wed, Aug 19th 2026
Cloudy
UV: 1.2
71°F

Feels
73°F
78% 5.6 NW 30.02 17%
9 AM Sunny at 9 AM on Wed, Aug 19th 2026
Sunny
UV: 2.9
74°F

Feels
74°F
72% 8.7 NNW 30.04 7%
10 AM Sunny at 10 AM on Wed, Aug 19th 2026
Sunny
UV: 5.2
77°F

Feels
78°F
63% 7.4 NNE 30.02 4%
11 AM Sunny at 11 AM on Wed, Aug 19th 2026
Sunny
UV: 7.5
81°F

Feels
83°F
55% 7.6 E 29.97 3%
12 PM Partly Cloudy at 12 PM on Wed, Aug 19th 2026
Partly Cloudy
UV: 9.2
85°F

Feels
86°F
46% 4.9 ESE 29.95 3%
1 PM Cloudy at 1 PM on Wed, Aug 19th 2026
Cloudy
UV: 9.6
87°F

Feels
88°F
43% 7.2 SSE 29.92 5%
2 PM Partly Cloudy at 2 PM on Wed, Aug 19th 2026
Partly Cloudy
UV: 8.5
89°F

Feels
89°F
41% 6.3 S 29.91 3%
3 PM Light Rain Shower at 3 PM on Wed, Aug 19th 2026
Light Rain Shower
UV: 6.4
89°F

Feels
89°F
42% 6.5 SSW 29.9 36%

Rain est. 0.03in
4 PM Scattered Showers at 4 PM on Wed, Aug 19th 2026
Scattered Showers
UV: 3.9
88°F

Feels
90°F
47% 6 S 29.88 17%
5 PM Sunny at 5 PM on Wed, Aug 19th 2026
Sunny
UV: 1.9
89°F

Feels
91°F
46% 3.4 SSW 29.88 2%
6 PM Scattered Showers at 6 PM on Wed, Aug 19th 2026
Scattered Showers
UV: 0.6
88°F

Feels
94°F
59% 3.1 SSW 29.88 14%
7 PM Sunny at 7 PM on Wed, Aug 19th 2026
Sunny
UV: 0
83°F

Feels
88°F
66% 1.8 SSW 29.87 6%
8 PM Clear at 8 PM on Wed, Aug 19th 2026
Clear
UV: 0
80°F

Feels
83°F
66% 2.2 SE 29.88 5%
9 PM Clear at 9 PM on Wed, Aug 19th 2026
Clear
UV: 0
78°F

Feels
82°F
67% 3.4 ESE 29.89 5%
10 PM Partly Cloudy at 10 PM on Wed, Aug 19th 2026
Partly Cloudy
UV: 0
77°F

Feels
80°F
69% 4 ESE 29.9 8%
11 PM Scattered Showers at 11 PM on Wed, Aug 19th 2026
Scattered Showers
UV: 0
75°F

Feels
79°F
73% 2.5 E 29.89 23%

Thu, Aug 20th 2026

Light rain shower expected later. Temps range from 71° to 72°. Light winds, shifting from N to SSE at 3.9 mph, as humidity fluctuates between 86% to 95%, and an avg barometric pressure of 29.92 inHg.
Thu, Aug 20th Temp Humidity Wind (mph) Pressure (inHg) Precip.
12 AM Light Rain Shower at 12 AM on Thu, Aug 20th 2026
Light Rain Shower
UV: 0
72°F

Feels
78°F
86% 2.7 N 29.91 79%

Rain est. 0.09in
1 AM Light Rain Shower at 1 AM on Thu, Aug 20th 2026
Light Rain Shower
UV: 0
72°F

Feels
76°F
91% 5.4 SW 29.94 61%

Rain est. 0.02in
2 AM Light Rain Shower at 2 AM on Thu, Aug 20th 2026
Light Rain Shower
UV: 0
72°F

Feels
77°F
92% 4.3 SSE 29.93 64%

Rain est. 0.02in
3 AM Light Rain Shower at 3 AM on Thu, Aug 20th 2026
Light Rain Shower
UV: 0
71°F

Feels
76°F
94% 4.3 E 29.92 71%

Rain est. 0.03in
4 AM Mist at 4 AM on Thu, Aug 20th 2026
Mist
UV: 0
71°F

Feels
77°F
95% 2.9 SSE 29.91 31%

Ask About Weather

Test our newly developed Weather Chatbot. It provides up to 10 days of forecast information!

Smith County weather report and traffic updates by locals

Write your own Smith County, Tennessee report, forecast, or traffic update:


Will not be posted, shared or used for marketing!

Please note by clicking on "Post" you acknowledge that you have read our Privacy Policy and Terms of Service and the Smith County, TN report and/or forecast you are posting is in compliance with such terms. If you are under 18, do not submit this form. Be respectful! Inappropriate content will be removed by a moderator.