Macclenny, FL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Macclenny, a city in Baker County, Florida.
Today
93°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between noon and 1pm, then a chance of showers and thunderstorms between 1pm and 5pm, then a slight chance of showers and thunderstorms. Mostly sunny. High near 93, with temperatures falling to around 88 in the afternoon. Heat index values as high as 100. Northeast wind 0 to 8 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Macclenny
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 93°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 8 mph NE | 34% |
| Tonight | 70°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 7 mph E | 18% |
| Sunday | 89°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 7 mph NE | 35% |
| Sunday Night | 70°F | Chance Showers And Thunderstorms then Mostly Cloudy | 0 to 6 mph E | 30% |
| Monday | 88°F | Slight Chance Showers And Thunderstorms | 0 to 6 mph NE | 59% |
| Monday Night | 70°F | Showers And Thunderstorms Likely then Partly Cloudy | 0 to 6 mph NE | 59% |
| Tuesday | 88°F | Slight Chance Showers And Thunderstorms | 0 to 6 mph NE | 71% |
| Tuesday Night | 70°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 0 to 6 mph NE | 71% |
| Wednesday | 87°F | Showers And Thunderstorms Likely | 1 to 9 mph NE | 61% |
| Wednesday Night | 69°F | Showers And Thunderstorms Likely | 1 to 9 mph NE | 61% |
| Thursday | 85°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 9 to 13 mph NE | 32% |
| Thursday Night | 68°F | Chance Showers And Thunderstorms | 3 to 12 mph NE | 32% |
| Friday | 85°F | Mostly Sunny then Chance Showers And Thunderstorms | 9 to 13 mph NE | 29% |
| Friday Night | 67°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 to 12 mph NE | 29% |
Forecast source: National Weather Service (api.weather.gov) for Macclenny (30.281, -82.125). Updated through the day.
Growing snapshot for Macclenny
Last spring frost
Mar 8
First fall frost
Dec 1
Growing season
272 days
Hardiness zone
9a
More local growing data for Macclenny: nearby ZIP 32063 weather · frost dates · planting calendar · Florida frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Glen St Mary 1 W, Fl (3.9 mi from Macclenny). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.