Callahan, FL Weather & Growing Conditions
Today
92°F
Partly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 1pm and 2pm, then a chance of showers and thunderstorms between 2pm and 3pm, then a slight chance of showers and thunderstorms between 3pm and 5pm. Partly sunny. High near 92, with temperatures falling to around 88 in the afternoon. East wind 6 to 9 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 92°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 6 to 9 mph E | 25% |
| Tonight | 71°F | Partly Cloudy then Slight Chance Rain Showers | 0 to 7 mph E | 18% |
| Sunday | 89°F | Slight Chance Showers And Thunderstorms | 0 to 7 mph NE | 39% |
| Sunday Night | 71°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 7 mph SE | 24% |
| Monday | 88°F | Showers And Thunderstorms Likely | 0 to 7 mph NE | 60% |
| Monday Night | 71°F | Showers And Thunderstorms Likely then Partly Cloudy | 0 to 6 mph E | 60% |
| Tuesday | 87°F | Showers And Thunderstorms | 1 to 8 mph NE | 76% |
| Tuesday Night | 72°F | Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 0 to 7 mph NE | 76% |
| Wednesday | 86°F | Showers And Thunderstorms Likely | 3 to 9 mph NE | 63% |
| Wednesday Night | 71°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 3 to 9 mph NE | 63% |
| Thursday | 84°F | Chance Rain Showers then Chance Showers And Thunderstorms | 9 to 13 mph NE | 32% |
| Thursday Night | 70°F | Chance Showers And Thunderstorms | 5 to 12 mph NE | 32% |
| Friday | 84°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 13 mph NE | 33% |
| Friday Night | 69°F | Chance Showers And Thunderstorms then Partly Cloudy | 3 to 12 mph NE | 33% |
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 Sep 19, 2026.