Callahan, FL Weather & Growing Conditions
Today
93°F
Partly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 3pm. Partly sunny. High near 93, with temperatures falling to around 90 in the afternoon. Heat index values as high as 101. Southwest wind around 7 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 93°F | Partly Sunny then Chance Showers And Thunderstorms | 7 mph SW | 36% |
| Tonight | 73°F | Chance Showers And Thunderstorms | 2 to 7 mph S | 36% |
| Wednesday | 93°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 7 mph S | 53% |
| Wednesday Night | 74°F | Chance Showers And Thunderstorms | 0 to 7 mph SE | 40% |
| Thursday | 92°F | Chance Showers And Thunderstorms | 0 to 9 mph E | 43% |
| Thursday Night | 75°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 8 mph E | 43% |
| Friday | 92°F | Chance Showers And Thunderstorms | 1 to 12 mph E | 34% |
| Friday Night | 74°F | Chance Showers And Thunderstorms | 1 to 10 mph E | 34% |
| Saturday | 92°F | Showers And Thunderstorms Likely | 2 to 8 mph E | 65% |
| Saturday Night | 74°F | Showers And Thunderstorms Likely | 0 to 7 mph E | 65% |
| Sunday | 94°F | Mostly Sunny then Showers And Thunderstorms Likely | 0 to 5 mph SE | 56% |
| Sunday Night | 74°F | Showers And Thunderstorms Likely | 0 to 5 mph SE | 56% |
| Monday | 95°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph S | 38% |
| Monday Night | 75°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph S | 38% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Callahan, FL
Last spring frost
Feb 25
First fall frost
Dec 7
Growing season
288 days
Hardiness zone
9a
Explore more for Callahan, FL: full frost dates · planting calendar · Florida frost dates
Climate data from the nearest NOAA station, Jacksonville, Fl (10.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.