Frost dates 2026–2027

Frost dates for Great Bend, Kansas

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Great Bend 3W, 1.6 mi away (close match).

Last spring frostApr 24
First fall frostOct 15
172 frost-free days
Last spring frostApr 241 year in 10 after May 7
First fall frostOct 151 year in 10 by Sep 30
Growing season172 daysbetween median 32°F dates
Hardiness zoneZone 6b−5 to 0°F average extreme low

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Will it freeze in Great Bend in the next 7 nights?

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

Tonight: forecast low 35°F. Frost possible.

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 Great Bend

The median first fall hard-freeze date (28°F) is October 25, from NOAA’s 1991–2020 Climate Normals at Great Bend 3W. 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 3 · May 16 Sep 22 · Oct 5 · Oct 18 155 days
32°F freeze Apr 10 · Apr 24 · May 7 Sep 30 · Oct 15 · Oct 27 172 days
28°F hard freeze Apr 1 · Apr 14 · Apr 28 Oct 10 · Oct 25 · Nov 7 191 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00143218. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Great Bend 3W

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 Great Bend, KS come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Great Bend 3W (station USC00143218, elevation 1,872 ft), 1.6 mi from Great Bend. 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 Great Bend

CityDistanceLast spring frostFirst fall frost
Pratt, KS 46 mi Apr 20 Oct 20
Hays, KS 46 mi Apr 19 Oct 22
Hutchinson, KS 52 mi Apr 18 Oct 21
McPherson, KS 62 mi Apr 18 Oct 24
Salina, KS 71 mi Apr 18 Oct 23
Dodge City, KS 78 mi Apr 21 Oct 20
Newton, KS 82 mi Apr 14 Oct 25
Goddard, KS 83 mi Apr 8 Oct 27
Maize, KS 83 mi Apr 8 Oct 27
Valley Center, KS 86 mi Apr 10 Oct 27

Frequently asked questions

When is the last frost in Great Bend?

On average, the last spring frost (32°F) in Great Bend is around April 24. In about 1 year in 10 it comes after May 7, and in 9 years in 10 it comes after April 10.

When is the first frost in Great Bend?

The first fall frost (32°F) usually arrives around October 15. There’s a 10% chance of a freeze by September 30 and a 90% chance by October 27.

Can it frost in Great Bend 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 3.

What growing zone is Great Bend?

Great Bend is in USDA Plant Hardiness Zone 6b (average annual extreme minimum temperature −5 to 0°F), based on the 2023 USDA map for ZIP code 67530. See growing zones in Kansas.

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