Gretna, FL Weather & Growing Conditions
Today
91°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2pm. Mostly sunny. High near 91, with temperatures falling to around 87 in the afternoon. West wind 0 to 5 mph. Chance of precipitation is 30%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 91°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph W | 34% |
| Tonight | 73°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph SW | 21% |
| Wednesday | 92°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph S | 48% |
| Wednesday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SSW | 24% |
| Thursday | 92°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SE | 32% |
| Thursday Night | 73°F | Chance Showers And Thunderstorms | 0 mph | 32% |
| Friday | 92°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph E | 32% |
| Friday Night | 74°F | Chance Showers And Thunderstorms | 0 mph | 32% |
| Saturday | 91°F | Chance Showers And Thunderstorms | 0 to 5 mph ESE | 49% |
| Saturday Night | 74°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 49% |
| Sunday | 91°F | Showers And Thunderstorms Likely | 0 mph | 67% |
| Sunday Night | 74°F | Showers And Thunderstorms Likely | 0 mph | 67% |
| Monday | 92°F | Showers And Thunderstorms Likely | 0 mph | 58% |
| Monday Night | 75°F | Showers And Thunderstorms Likely | 0 mph | 58% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Gretna, FL
Last spring frost
Mar 13
First fall frost
Nov 22
Growing season
256 days
Hardiness zone
9a
Explore more for Gretna, FL: full frost dates · planting calendar · Florida frost dates
Climate data from the nearest NOAA station, Quincy 3 Ssw, Fl (5.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.