Grigsby, TN Weather Forecast
Local 7-day forecast
Clear
Track current conditions, temperature changes, wind, and the full daily outlook for Grigsby, TN in one place.
Clear, with a low around 64. East wind around 0 mph.
Local Weather Overview
This forecast page for Grigsby, 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 16, 2026 5:20 AM EDT.
The active forecast window currently covers Sep 16 to Sep 22, 2026 for Grigsby, TN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 16 to Sep 22, 2026
- Latest sync
- Sep 16, 2026 5:20 AM EDT
- Forecast office
- MRX
- Source
- NOAA / NWS
Daily Outlook
This Week in Grigsby
Wednesday looks like the warmest upcoming period in Grigsby at 90 degrees F.
Overnight is the coolest period ahead with temperatures near 64 degrees F.
The strongest winds are forecast for Wednesday at about 0 to 5 mph NE.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 16, 2026 5:20 AM EDT
- Coverage
- 7 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 sourceExtended Forecast
Sunny, with a high near 90. Northeast wind 0 to 5 mph.
Mostly clear, with a low around 67. Southeast wind around 0 mph.
Sunny, with a high near 90. Southwest wind 0 to 5 mph.
Partly cloudy, with a low around 68. Southwest wind 0 to 5 mph.
Showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 89. Northwest wind 0 to 5 mph. Chance of precipitation is 60%.
Showers and thunderstorms likely before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 66. Northeast wind 0 to 5 mph. Chance of precipitation is 60%.
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 67. Chance of precipitation is 30%.
A slight chance of rain showers between 8am and 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 67. Chance of precipitation is 40%.
A slight chance of rain showers between 8am and 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Sep 16
|
Clear
|
64°F |
0 mph
|
|
Wednesday
Sep 16
|
Sunny
|
90°F |
0 to 5 mph
NE
|
|
Wednesday Night
Sep 16
|
Mostly Clear
|
67°F |
0 mph
|
|
Thursday
Sep 17
|
Sunny
|
90°F |
0 to 5 mph
SW
|
|
Thursday Night
Sep 17
|
Partly Cloudy
|
68°F |
0 to 5 mph
SW
|
|
Friday
Sep 18
|
Mostly Sunny then Showers And Thunderstorms Likely
|
89°F |
0 to 5 mph
NW
|
|
Friday Night
Sep 18
|
Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms
|
66°F |
0 to 5 mph
NE
|
|
Saturday
Sep 19
|
Mostly Sunny then Chance Showers And Thunderstorms
|
88°F |
0 to 5 mph
S
|
|
Saturday Night
Sep 19
|
Chance Showers And Thunderstorms
|
67°F |
0 to 5 mph
S
|
|
Sunday
Sep 20
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
88°F |
0 to 5 mph
SW
|
|
Sunday Night
Sep 20
|
Chance Showers And Thunderstorms
|
67°F |
0 to 5 mph
E
|
|
Monday
Sep 21
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
87°F |
0 to 5 mph
SW
|
|
Monday Night
Sep 21
|
Chance Showers And Thunderstorms
|
66°F |
0 to 5 mph
NE
|
|
Tuesday
Sep 22
|
Partly Sunny then Chance Showers And Thunderstorms
|
84°F |
0 to 5 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grigsby.