Frost dates 2026–2027

Frost dates for Lebanon, Kentucky

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Bradfordsville, 7.9 mi away (close match).

Last spring frostApr 22
First fall frostOct 20
180 frost-free days
Last spring frostApr 221 year in 10 after May 9
First fall frostOct 201 year in 10 by Oct 7
Growing season180 daysbetween median 32°F dates
Hardiness zoneZone 7a0 to 5°F average extreme low

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Will it freeze in Lebanon 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 43°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 Lebanon

The median first fall hard-freeze date (28°F) is October 30, from NOAA’s 1991–2020 Climate Normals at Bradfordsville. 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 19 · May 2 · May 19 Sep 28 · Oct 10 · Oct 22 161 days
32°F freeze Apr 8 · Apr 22 · May 9 Oct 7 · Oct 20 · Nov 1 180 days
28°F hard freeze Mar 26 · Apr 11 · Apr 30 Oct 16 · Oct 30 · Nov 11 201 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00150940. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Bradfordsville

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 Lebanon, KY come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Bradfordsville (station USC00150940, elevation 660 ft), 7.9 mi from Lebanon. 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 Lebanon

CityDistanceLast spring frostFirst fall frost
Campbellsville, KY 16 mi Apr 15 Oct 24
Bardstown, KY 20 mi Apr 13 Oct 25
Harrodsburg, KY 26 mi Apr 7 Nov 1
Danville, KY 27 mi Apr 9 Oct 27
Elizabethtown, KY 35 mi Apr 16 Oct 25
Mount Washington, KY 37 mi Apr 6 Nov 1
Shepherdsville, KY 37 mi Apr 18 Oct 25
Lawrenceburg, KY 37 mi Apr 12 Oct 28
Wilmore, KY 39 mi Apr 7 Nov 1
Radcliff, KY 41 mi Apr 16 Oct 25

Frequently asked questions

When is the last frost in Lebanon?

On average, the last spring frost (32°F) in Lebanon is around April 22. In about 1 year in 10 it comes after May 9, and in 9 years in 10 it comes after April 8.

When is the first frost in Lebanon?

The first fall frost (32°F) usually arrives around October 20. There’s a 10% chance of a freeze by October 7 and a 90% chance by November 1.

Can it frost in Lebanon 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 Lebanon?

Lebanon 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 40033. See growing zones in Kentucky.

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