Guntersville, AL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Guntersville, a city in Marshall County, Alabama.
Today
87°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 87. Heat index values as high as 97. North wind around 0 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Guntersville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Chance Showers And Thunderstorms | 0 mph | 51% |
| Tonight | 72°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 43% |
| Wednesday | 87°F | Chance Showers And Thunderstorms | 0 mph | 61% |
| Wednesday Night | 73°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 36% |
| Thursday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 mph | 24% |
| Thursday Night | 74°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 24% |
| Friday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 mph | 24% |
| Friday Night | 74°F | Slight Chance Showers And Thunderstorms | 0 mph | 24% |
| Saturday | 89°F | Chance Showers And Thunderstorms | 0 mph | 42% |
| Saturday Night | 75°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 42% |
| Sunday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 40% |
| Sunday Night | 75°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 40% |
| Monday | 89°F | Chance Showers And Thunderstorms | 0 mph | 44% |
| Monday Night | 75°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 44% |
Forecast source: National Weather Service (api.weather.gov) for Guntersville (34.368, -86.252). Updated through the day.
Growing snapshot for Guntersville
Last spring frost
Mar 17
First fall frost
Nov 19
Growing season
247 days
Hardiness zone
8a
More local growing data for Guntersville: nearby ZIP 35976 weather · frost dates · planting calendar · Alabama frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Guntersville No.2, Al (0.6 mi from Guntersville). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.