Harman US

Callahan, FL Weather & Growing Conditions

Today
83°F
Partly Sunny
Partly sunny. High near 83, with temperatures falling to around 78 in the afternoon. Southeast wind 6 to 10 mph, with gusts as high as 16 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 83°F Partly Sunny 6 to 10 mph SE 8%
Tonight 67°F Mostly Cloudy then Patchy Fog 0 to 6 mph SE 7%
Thursday 84°F Patchy Fog then Mostly Sunny 0 to 5 mph SE 11%
Thursday Night 66°F Partly Cloudy then Patchy Fog 0 to 3 mph SE 9%
Friday 84°F Patchy Fog then Partly Sunny 1 to 6 mph SW 12%
Friday Night 59°F Partly Cloudy 3 mph NW 12%
Saturday 79°F Sunny 6 mph NW 2%
Saturday Night 52°F Partly Cloudy 3 mph NW 2%
Sunday 75°F Mostly Sunny 6 mph N 3%
Sunday Night 51°F Partly Cloudy then Slight Chance Rain Showers 1 to 5 mph N 15%
Monday 71°F Slight Chance Rain Showers 7 mph N 15%
Monday Night 49°F Slight Chance Rain Showers then Partly Cloudy 1 to 5 mph N 15%
Tuesday 72°F Mostly Sunny then Slight Chance Rain Showers 5 mph NE 15%
Tuesday Night 50°F Slight Chance Rain Showers then Partly Cloudy 0 to 3 mph N 15%

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 Nov 4, 2026.