Frost dates 2026–2027

Frost dates for Zanesville, Ohio

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Zanesville Municipal Airport, 6.4 mi away (close match).

Last spring frostApr 26
First fall frostOct 19
177 frost-free days
Last spring frostApr 261 year in 10 after May 14
First fall frostOct 191 year in 10 by Oct 6
Growing season177 daysbetween median 32°F dates
Hardiness zoneZone 6b−5 to 0°F average extreme low

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Will it freeze in Zanesville in the next 7 nights?

No overnight lows at or below 32°F are forecast in Zanesville during the next 7 nights in the available NWS frost forecast.

Tonight: forecast low 44°F. Above 36°F.

NWS forecast period: Thu, Nov 5, 6:00 PM EST to Fri, Nov 6, 6:00 AM EST.

5 of the next 7 nights are forecast at 36°F or colder, cold enough for frost on exposed plants.

Overnight lows from the National Weather Service forecast for this location. This covers the available forecast window, not the first freeze of the whole season. Frost can form above 32°F on clear, calm nights.

Frost and freeze probabilities

Freeze dates shift from year to year. Spring percentages describe the chance of a freeze after the stated date; fall percentages describe the chance of a freeze by that date. The 10% spring date is the cautious one: a later freeze happens about 1 year in 10.

These dates describe historical probabilities, not this year’s forecast or the earliest and latest possible freezes. Different weather stations or probability thresholds can produce different published dates for the same city.

Average first hard freeze in Zanesville

The median first fall hard-freeze date (28°F) is October 31, from NOAA’s 1991–2020 Climate Normals at Zanesville Municipal Airport. This is the 50% probability date, not a forecast for this year.

TemperatureLast spring date
90% · 50% · 10% chance of a later freeze
First fall date
10% · 50% · 90% chance of an earlier freeze
Season
36°F frost possible Apr 22 · May 6 · May 23 Sep 24 · Oct 7 · Oct 19 155 days
32°F freeze Apr 11 · Apr 26 · May 14 Oct 6 · Oct 19 · Oct 31 177 days
28°F hard freeze Mar 29 · Apr 13 · Apr 30 Oct 17 · Oct 31 · Nov 12 200 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USW00093824. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Zanesville Municipal Airport

Average low temperature by month

Months with lows near or below freezing carry frost risk

Where these frost dates come from

The frost dates for Zanesville, OH come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Zanesville Municipal Airport (station USW00093824, elevation 880 ft), 6.4 mi from Zanesville. Local conditions (valleys, hilltops, distance to water, city heat) can shift frost dates by days or weeks. The hardiness zone is from the 2023 USDA Plant Hardiness Zone Map (USDA ARS and Oregon State University PRISM). See our methodology.

Frost dates near Zanesville

CityDistanceLast spring frostFirst fall frost
Coshocton, OH 23 mi Apr 27 Oct 18
Cambridge, OH 23 mi Apr 28 Oct 17
Heath, OH 23 mi Apr 22 Oct 18
Newark, OH 23 mi Apr 29 Oct 16
Granville, OH 27 mi Apr 22 Oct 18
Lancaster, OH 35 mi Apr 22 Oct 24
Logan, OH 35 mi Apr 30 Oct 14
Pataskala, OH 38 mi Apr 18 Oct 27
Johnstown, OH 38 mi Apr 27 Oct 17
Mount Vernon, OH 39 mi May 1 Oct 10

Frequently asked questions

When is the last frost in Zanesville?

On average, the last spring frost (32°F) in Zanesville is around April 26. In about 1 year in 10 it comes after May 14, and in 9 years in 10 it comes after April 11.

When is the first frost in Zanesville?

The first fall frost (32°F) usually arrives around October 19. There’s a 10% chance of a freeze by October 6 and a 90% chance by October 31.

Can it frost in Zanesville after the last frost date?

Yes. Frost can form on clear, calm nights even when the air stays above 32°F. Temperatures of 36°F or lower, cold enough for frost on exposed plants, have a 50% chance of occurring after May 6.

What growing zone is Zanesville?

Zanesville is in USDA Plant Hardiness Zone 6b (average annual extreme minimum temperature −5 to 0°F), based on the 2023 USDA map for ZIP code 43701. See growing zones in Ohio.

More: all Ohio frost dates · Ohio growing zones · UV index today in Zanesville · frost vs. freeze