Otway, OH 45657 Frost Dates
Frost dates for Otway, OH, ZIP 45657
Around 04/17 is the usual last spring frost, about 232 days away. The first fall frost typically arrives around 10/25, about 191 frost-free days later.
The USDA Plant Hardiness Zone Map puts Otway in Zone 6b (-5 to 0°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 6b around Otway 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.
How much risk comes with planting early here
04/17 is the middle of 30 years of NOAA records, not a promise. Plant by 04/03 and you're betting against frost in roughly 9 years out of 10. 05/05 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Otway compares
About 191 days separate Otway's last and first frost, putting it 20,947 of 40,283 ZIP codes nationally. Within OH, it ranks 303 of 1,383.
Learn more
zone vs. frost date explains why Zone 6b and Otway's frost date answer different questions, and the frost range explains how to read the range around Otway's dates instead of trusting one.