Fort Branch, IN 47648 Frost Dates
Frost dates for Fort Branch, IN, ZIP 47648
The last spring frost here typically falls around 04/13, about 228 days from today. The first fall frost typically arrives around 10/25, about 194 frost-free days later.
Fort Branch sits in USDA Zone 7a (0 to 5°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
What to do before the first frost
Zone 7a around Fort Branch has about 8 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
The actual range around Fort Branch's last frost
04/13 is the middle of 30 years of NOAA records, not a promise. Plant by 03/29 and you're betting against frost in roughly 9 years out of 10. 04/30 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Fort Branch compares
At roughly 194 frost-free days, Fort Branch places 19,490 of 40,283 ZIP codes in this dataset. Within IN, it ranks 190 of 927.
Learn more
local microclimates explains what one yard in Fort Branch can differ from the 47648 normal, and zone vs. frost date explains why Zone 7a and Fort Branch's frost date answer different questions.