Lake Station, IN 46405 Frost Dates
Frost dates for Lake Station, IN, ZIP 46405
The last spring frost here typically falls around 04/22, about 237 days from today. The first fall frost typically arrives around 10/27, about 188 frost-free days later.
Zone 6a (-10 to -5°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Lake Station, not a forecast for this year.
What to do before the first frost
Zone 6a around Lake Station has about 9 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 Lake Station's last frost
04/22 is the middle of 30 years of NOAA records, not a promise. Plant by 04/07 and you're betting against frost in roughly 9 years out of 10. 05/08 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Lake Station compares
At roughly 188 frost-free days, Lake Station places 21,898 of 40,283 ZIP codes in this dataset. Within IN, it ranks 286 of 927.
Learn more
the frost range explains how to read the range around Lake Station's dates instead of trusting one, and local microclimates explains what one yard in Lake Station can differ from the 46405 normal.