Frost dates 2026–2027

Frost dates for McKenzie, Tennessee

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Huntingdon Water Treatment Plant, 10 mi away (close match).

Last spring frostApr 2
First fall frostOct 31
211 frost-free days
Last spring frostApr 21 year in 10 after Apr 18
First fall frostOct 311 year in 10 by Oct 19
Growing season211 daysbetween median 32°F dates
Hardiness zoneZone 7b5 to 10°F average extreme low

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Will it freeze in McKenzie in the next 7 nights?

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

Tonight: forecast low 45°F. Above 36°F.

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

3 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 McKenzie

The median first fall hard-freeze date (28°F) is November 9, from NOAA’s 1991–2020 Climate Normals at Huntingdon Water Treatment Plant. 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 Mar 30 · Apr 15 · Apr 30 Oct 10 · Oct 22 · Nov 2 189 days
32°F freeze Mar 16 · Apr 2 · Apr 18 Oct 19 · Oct 31 · Nov 13 211 days
28°F hard freeze Mar 1 · Mar 21 · Apr 7 Oct 28 · Nov 9 · Nov 27 234 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00404417. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Huntingdon Water Treatment Plant

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 McKenzie, TN come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Huntingdon Water Treatment Plant (station USC00404417, elevation 440 ft), 10 mi from McKenzie. 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 McKenzie

CityDistanceLast spring frostFirst fall frost
Paris, TN 16 mi Apr 7 Oct 31
Milan, TN 21 mi Apr 4 Oct 28
Martin, TN 24 mi Apr 4 Oct 28
Medina, TN 27 mi Apr 4 Oct 30
Humboldt, TN 31 mi Apr 4 Oct 30
Murray, KY 35 mi Apr 5 Nov 1
Lexington, TN 35 mi Apr 5 Oct 30
Union City, TN 36 mi Apr 3 Oct 29
Jackson, TN 38 mi Apr 2 Oct 29
Mayfield, KY 42 mi Apr 9 Oct 19

Frequently asked questions

When is the last frost in McKenzie?

On average, the last spring frost (32°F) in McKenzie is around April 2. In about 1 year in 10 it comes after April 18, and in 9 years in 10 it comes after March 16.

When is the first frost in McKenzie?

The first fall frost (32°F) usually arrives around October 31. There’s a 10% chance of a freeze by October 19 and a 90% chance by November 13.

Can it frost in McKenzie 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 April 15.

What growing zone is McKenzie?

McKenzie is in USDA Plant Hardiness Zone 7b (average annual extreme minimum temperature 5 to 10°F), based on the 2023 USDA map for ZIP code 38201. See growing zones in Tennessee.

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