Frost dates 2026–2027

Frost dates for Jackson, Tennessee

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Jackson Experiment Station, 2.6 mi away (close match).

Last spring frostApr 2
First fall frostOct 29
207 frost-free days
Last spring frostApr 21 year in 10 after Apr 18
First fall frostOct 291 year in 10 by Oct 16
Growing season207 daysbetween median 32°F dates
Hardiness zoneZone 7b5 to 10°F average extreme low

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Will it freeze in Jackson in the next 7 nights?

No overnight lows at or below 32°F are forecast in Jackson 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 CST to Fri, Nov 6, 6:00 AM CST.

2 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 Jackson

The median first fall hard-freeze date (28°F) is November 7, from NOAA’s 1991–2020 Climate Normals at Jackson Experiment Station. 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 31 · Apr 14 · Apr 30 Oct 7 · Oct 21 · Nov 1 188 days
32°F freeze Mar 16 · Apr 2 · Apr 18 Oct 16 · Oct 29 · Nov 11 207 days
28°F hard freeze Mar 3 · Mar 22 · Apr 8 Oct 27 · Nov 7 · Nov 24 230 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00404561. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Jackson Experiment Station

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 Jackson, TN come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Jackson Experiment Station (station USC00404561, elevation 400 ft), 2.6 mi from Jackson. 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 Jackson

CityDistanceLast spring frostFirst fall frost
Medina, TN 11 mi Apr 4 Oct 30
Humboldt, TN 12 mi Apr 4 Oct 30
Henderson, TN 18 mi Apr 10 Oct 25
Milan, TN 18 mi Apr 4 Oct 28
Brownsville, TN 24 mi Mar 29 Nov 5
Lexington, TN 26 mi Apr 5 Oct 30
Bolivar, TN 29 mi Apr 3 Oct 30
McKenzie, TN 38 mi Apr 2 Oct 31
Ripley, TN 40 mi Mar 26 Nov 6
Dyersburg, TN 40 mi Mar 28 Nov 2

Frequently asked questions

When is the last frost in Jackson?

On average, the last spring frost (32°F) in Jackson 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 Jackson?

The first fall frost (32°F) usually arrives around October 29. There’s a 10% chance of a freeze by October 16 and a 90% chance by November 11.

Can it frost in Jackson 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 14.

What growing zone is Jackson?

Jackson 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 38305. See growing zones in Tennessee.

More: all Tennessee frost dates · Tennessee growing zones · UV index today in Jackson · frost vs. freeze