Thomaston, AL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Thomaston, a town in Marengo County, Alabama.
Overnight
63°F
Rain Showers Likely
Rain showers likely. Cloudy. Low around 63, with temperatures rising to around 67 overnight. South wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Thomaston
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 63°F | Rain Showers Likely | 5 mph S | 67% |
| Wednesday | 80°F | Showers And Thunderstorms | 0 to 10 mph SW | 77% |
| Wednesday Night | 54°F | Slight Chance Rain Showers then Mostly Cloudy | 0 mph | 21% |
| Thursday | 77°F | Mostly Sunny | 0 mph | 8% |
| Thursday Night | 49°F | Partly Cloudy | 0 mph | 3% |
| Friday | 76°F | Sunny | 0 to 10 mph NW | 2% |
| Friday Night | 43°F | Mostly Clear | 5 mph N | 0% |
| Saturday | 68°F | Mostly Sunny | 5 to 10 mph N | 0% |
| Saturday Night | 35°F | Partly Cloudy then Patchy Frost | 5 to 10 mph N | 0% |
| Sunday | 65°F | Patchy Frost then Mostly Sunny | 5 to 10 mph N | 1% |
| Sunday Night | 34°F | Partly Cloudy then Patchy Frost | 0 to 5 mph N | 2% |
| Monday | 68°F | Patchy Frost then Sunny | 5 mph N | 3% |
| Monday Night | 34°F | Mostly Clear then Patchy Frost | 0 mph | 4% |
| Tuesday | 70°F | Patchy Frost then Sunny | 0 mph | 5% |
Forecast source: National Weather Service (api.weather.gov) for Thomaston (32.268, -87.624). Updated through the day.
Growing snapshot for Thomaston
Last spring frost
Mar 18
First fall frost
Nov 11
Growing season
241 days
Hardiness zone
8b
More local growing data for Thomaston: nearby ZIP 36783 weather · frost dates · planting calendar · Alabama frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Camden 3 Nw, Al (21.6 mi from Thomaston). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.