Frost dates 2026–2027

Frost dates for Canal Winchester, Ohio

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Columbus-Valley Crossing, 6.6 mi away (close match).

Last spring frostApr 23
First fall frostOct 19
177 frost-free days
Last spring frostApr 231 year in 10 after May 8
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 Canal Winchester in the next 7 nights?

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

Tonight: forecast low 46°F. Above 36°F.

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

4 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 Canal Winchester

The median first fall hard-freeze date (28°F) is October 30, from NOAA’s 1991–2020 Climate Normals at Columbus-Valley Crossing. 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 20 · May 2 · May 17 Sep 25 · Oct 8 · Oct 22 159 days
32°F freeze Apr 11 · Apr 23 · May 8 Oct 6 · Oct 19 · Nov 1 177 days
28°F hard freeze Mar 31 · Apr 12 · Apr 25 Oct 16 · Oct 30 · Nov 12 200 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00331783. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Columbus-Valley Crossing

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 Canal Winchester, OH come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Columbus-Valley Crossing (station USC00331783, elevation 760 ft), 6.6 mi from Canal Winchester. 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 Canal Winchester

CityDistanceLast spring frostFirst fall frost
Groveport, OH 3.7 mi Apr 23 Oct 19
Pickerington, OH 4.3 mi Apr 23 Oct 19
Obetz, OH 6.8 mi Apr 23 Oct 19
Reynoldsburg, OH 8.1 mi Apr 18 Oct 27
Whitehall, OH 9.3 mi Apr 18 Oct 27
Bexley, OH 9.9 mi Apr 18 Oct 27
Columbus, OH 13 mi Apr 20 Oct 24
Grove City, OH 13 mi Apr 23 Oct 19
Pataskala, OH 13 mi Apr 18 Oct 27
Gahanna, OH 14 mi Apr 18 Oct 27

Frequently asked questions

When is the last frost in Canal Winchester?

On average, the last spring frost (32°F) in Canal Winchester is around April 23. In about 1 year in 10 it comes after May 8, and in 9 years in 10 it comes after April 11.

When is the first frost in Canal Winchester?

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 November 1.

Can it frost in Canal Winchester 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 2.

What growing zone is Canal Winchester?

Canal Winchester 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 43110. See growing zones in Ohio.

More: all Ohio frost dates · Ohio growing zones · frost vs. freeze