Grantsboro, TN Weather Forecast

Local 7-day forecast

92°
F

Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Grantsboro, TN in one place.

Wednesday, September 16, 2026
Wind: 0 mph
Wednesday

Sunny, with a high near 92. North wind around 0 mph.

Local 7-day forecast

Local Weather Overview

This forecast page for Grantsboro, TN is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Sep 14, 2026 10:35 AM EDT.

The active forecast window currently covers Sep 16 to Sep 20, 2026 for Grantsboro, TN.

Page Snapshot

Page focus
city weather
Forecast window
Sep 16 to Sep 20, 2026
Latest sync
Sep 14, 2026 10:35 AM EDT
Forecast office
MRX
Source
NOAA / NWS
Next High
92°F
Wednesday
Next Low
68°F
Wednesday Night
Rain Outlook
2
Periods mentioning precipitation
Windiest
0 to 5 mph
Sunday

Daily Outlook

Today
Sep 16
Sunny
92 °F
/ 68°F
Wind 0 mph
Thu
Sep 17
Sunny
92 °F
/ 68°F
Wind 0 mph
Fri
Sep 18
Mostly Sunny
92 °F
/ 68°F
Wind 0 mph
Sat
Sep 19
Sunny
91 °F
/ 68°F
Wind 0 mph
Sun
Sep 20
Mostly Sunny then Slight Chance Showers And Thunderstorms
90 °F
/ 68°F
Wind 0 to 5 mph

This Week in Grantsboro

Wednesday looks like the warmest upcoming period in Grantsboro at 92 degrees F.

Wednesday Night is the coolest period ahead with temperatures near 68 degrees F.

The strongest winds are forecast for Sunday at about 0 to 5 mph SW.

Precipitation is mentioned in 2 upcoming forecast periods.

Forecast Details

Last updated
Sep 14, 2026 10:35 AM EDT
Coverage
5 days
Time zone
America/New_York
Forecast office
MRX
Radar station
KMRX

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Wednesday Night
Sep 16
68°F
Mostly Clear
0 mph

Mostly clear, with a low around 68. Northeast wind around 0 mph.

Thursday
Sep 17
92°F
Sunny
0 mph

Sunny, with a high near 92. North wind around 0 mph.

Thursday Night
Sep 17
68°F
Mostly Clear
0 mph

Mostly clear, with a low around 68.

Friday
Sep 18
92°F
Mostly Sunny
0 mph

Mostly sunny, with a high near 92.

Friday Night
Sep 18
68°F
Mostly Clear
0 mph

Mostly clear, with a low around 68.

Saturday
Sep 19
91°F
Sunny
0 mph

Sunny, with a high near 91.

Saturday Night
Sep 19
68°F
Mostly Clear
0 mph

Mostly clear, with a low around 68.

Sunday
Sep 20
90°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
0 to 5 mph SW

A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 20%.

Sunday Night
Sep 20
68°F
Slight Chance Showers And Thunderstorms
0 mph

A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 68.

Detailed Forecast

Period Conditions Temp Wind
Wednesday
Sep 16
Sunny
92°F
0 mph
Wednesday Night
Sep 16
Mostly Clear
68°F
0 mph
Thursday
Sep 17
Sunny
92°F
0 mph
Thursday Night
Sep 17
Mostly Clear
68°F
0 mph
Friday
Sep 18
Mostly Sunny
92°F
0 mph
Friday Night
Sep 18
Mostly Clear
68°F
0 mph
Saturday
Sep 19
Sunny
91°F
0 mph
Saturday Night
Sep 19
Mostly Clear
68°F
0 mph
Sunday
Sep 20
Mostly Sunny then Slight Chance Showers And Thunderstorms
90°F
0 to 5 mph
SW
Sunday Night
Sep 20
Slight Chance Showers And Thunderstorms
68°F
0 mph
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.