Sweet Water, AL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sweet Water, a town in Marengo County, Alabama.
Overnight
69°F
Mostly Clear
Mostly clear, with a low around 69. West wind around 0 mph.
7-day forecast for Sweet Water
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 69°F | Mostly Clear | 0 mph | 0% |
| Tuesday | 90°F | Sunny | 0 to 5 mph NW | 5% |
| Tuesday Night | 71°F | Mostly Clear | 0 mph | 5% |
| Wednesday | 91°F | Sunny | 0 mph | 4% |
| Wednesday Night | 73°F | Partly Cloudy | 0 to 5 mph SE | 4% |
| Thursday | 91°F | Sunny | 0 mph | 10% |
| Thursday Night | 73°F | Mostly Clear | 0 mph | 10% |
| Friday | 91°F | Sunny | 0 to 5 mph SE | 11% |
| Friday Night | 73°F | Partly Cloudy | 0 mph | 14% |
| Saturday | 92°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 mph | 20% |
| Saturday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 20% |
| Sunday | 91°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 31% |
| Sunday Night | 73°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 31% |
| Monday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph S | 34% |
Forecast source: National Weather Service (api.weather.gov) for Sweet Water (32.105, -87.862). Updated through the day.
Growing snapshot for Sweet Water
Last spring frost
Mar 10
First fall frost
Nov 21
Growing season
257 days
Hardiness zone
8b
More local growing data for Sweet Water: nearby ZIP 36782 weather · frost dates · planting calendar · Alabama frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Thomasville, Al (16.6 mi from Sweet Water). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.