Frost dates 2026–2027

Frost dates for Middlesborough, Kentucky

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Tazewell, 14 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 11
First fall frostOct 191 year in 10 by Oct 8
Growing season177 daysbetween median 32°F dates
Hardiness zoneZone 7a0 to 5°F average extreme low

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Will it freeze in Middlesborough in the next 7 nights?

The earliest overnight low at or below 32°F in the available NWS frost forecast is Sat, Nov 7: 32°F (Sat, Nov 7, 6:00 PM EST to Sun, Nov 8, 6:00 AM EST).

Tonight: forecast low 45°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 Middlesborough

The median first fall hard-freeze date (28°F) is October 28, from NOAA’s 1991–2020 Climate Normals at Tazewell. 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 5 · May 20 Oct 1 · Oct 11 · Oct 23 158 days
32°F freeze Apr 9 · Apr 23 · May 11 Oct 8 · Oct 19 · Nov 1 177 days
28°F hard freeze Mar 26 · Apr 10 · Apr 26 Oct 15 · Oct 28 · Nov 8 199 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00408868. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Tazewell

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 Middlesborough, KY come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Tazewell (station USC00408868, elevation 1,365 ft), 14 mi from Middlesborough. 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 Middlesborough

CityDistanceLast spring frostFirst fall frost
Williamsburg, KY 26 mi Apr 21 Oct 22
La Follette, TN 28 mi Apr 22 Oct 25
Corbin, KY 30 mi Apr 15 Oct 25
Jefferson City, TN 37 mi Apr 24 Oct 17
Morristown, TN 37 mi Apr 10 Oct 28
London, KY 40 mi Apr 15 Oct 25
Clinton, TN 42 mi Mar 31 Nov 4
Knoxville, TN 46 mi Apr 11 Oct 28
Sevierville, TN 50 mi Apr 6 Oct 29
Newport, TN 53 mi Apr 7 Oct 29

Frequently asked questions

When is the last frost in Middlesborough?

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

When is the first frost in Middlesborough?

The first fall frost (32°F) usually arrives around October 19. There’s a 10% chance of a freeze by October 8 and a 90% chance by November 1.

Can it frost in Middlesborough 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 5.

What growing zone is Middlesborough?

Middlesborough is in USDA Plant Hardiness Zone 7a (average annual extreme minimum temperature 0 to 5°F), based on the 2023 USDA map for ZIP code 40965. See growing zones in Kentucky.

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