Altha, FL Weather & Growing Conditions
Today
93°F
Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 1pm. Sunny. High near 93, with temperatures falling to around 88 in the afternoon. Heat index values as high as 103. West southwest wind 0 to 5 mph. Chance of precipitation is 30%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 93°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph WSW | 28% |
| Tonight | 72°F | Mostly Clear | 0 to 5 mph SW | 13% |
| Wednesday | 93°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SSW | 44% |
| Wednesday Night | 72°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph S | 24% |
| Thursday | 93°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SE | 30% |
| Thursday Night | 72°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 30% |
| Friday | 93°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph E | 36% |
| Friday Night | 73°F | Chance Showers And Thunderstorms | 0 mph | 36% |
| Saturday | 93°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph ESE | 48% |
| Saturday Night | 73°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 48% |
| Sunday | 92°F | Showers And Thunderstorms Likely | 0 to 5 mph SE | 70% |
| Sunday Night | 73°F | Showers And Thunderstorms Likely | 0 mph | 70% |
| Monday | 93°F | Showers And Thunderstorms Likely | 0 to 5 mph S | 56% |
| Monday Night | 74°F | Showers And Thunderstorms Likely then Partly Cloudy | 0 mph | 56% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Altha, FL
Last spring frost
Mar 1
First fall frost
Nov 27
Growing season
270 days
Hardiness zone
9a
Explore more for Altha, FL: full frost dates · planting calendar · Florida frost dates
Climate data from the nearest NOAA station, Marianna Muni Ap, Fl (21.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.