Frost dates 2026–2027

Frost dates for Henderson, Kentucky

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Henderson State Police, 3.2 mi away (close match).

Last spring frostApr 9
First fall frostOct 26
198 frost-free days
Last spring frostApr 91 year in 10 after Apr 24
First fall frostOct 261 year in 10 by Oct 12
Growing season198 daysbetween median 32°F dates
Hardiness zoneZone 7a0 to 5°F average extreme low

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Will it freeze in Henderson in the next 7 nights?

No overnight lows at or below 32°F are forecast in Henderson 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 Henderson

The median first fall hard-freeze date (28°F) is November 4, from NOAA’s 1991–2020 Climate Normals at Henderson State Police. 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 6 · Apr 20 · May 3 Oct 3 · Oct 16 · Oct 28 177 days
32°F freeze Mar 26 · Apr 9 · Apr 24 Oct 12 · Oct 26 · Nov 6 198 days
28°F hard freeze Mar 11 · Mar 31 · Apr 15 Oct 21 · Nov 4 · Nov 20 219 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00153768. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Henderson State Police

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 Henderson, KY come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Henderson State Police (station USC00153768, elevation 420 ft), 3.2 mi from Henderson. 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 Henderson

CityDistanceLast spring frostFirst fall frost
Evansville, IN 11 mi Mar 29 Nov 10
Mount Vernon, IN 19 mi Apr 7 Oct 28
Boonville, IN 21 mi Apr 12 Oct 25
Owensboro, KY 26 mi Apr 2 Nov 1
Madisonville, KY 35 mi Apr 2 Nov 1
Princeton, IN 35 mi Apr 13 Oct 25
Mount Carmel, IL 42 mi Apr 2 Oct 31
Central City, KY 45 mi Apr 15 Oct 20
Tell City, IN 45 mi Apr 5 Nov 1
Huntingburg, IN 47 mi Apr 6 Oct 30

Frequently asked questions

When is the last frost in Henderson?

On average, the last spring frost (32°F) in Henderson is around April 9. In about 1 year in 10 it comes after April 24, and in 9 years in 10 it comes after March 26.

When is the first frost in Henderson?

The first fall frost (32°F) usually arrives around October 26. There’s a 10% chance of a freeze by October 12 and a 90% chance by November 6.

Can it frost in Henderson 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 20.

What growing zone is Henderson?

Henderson 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 42420. See growing zones in Kentucky.

More: all Kentucky frost dates · Kentucky growing zones · UV index today in Henderson · frost vs. freeze