Frost dates 2026–2027

Frost dates for Lawrence, Kansas

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Lawrence, 0.7 mi away (close match).

Last spring frostApr 12
First fall frostOct 28
199 frost-free days
Last spring frostApr 121 year in 10 after Apr 24
First fall frostOct 281 year in 10 by Oct 14
Growing season199 daysbetween median 32°F dates
Hardiness zoneZone 6b−5 to 0°F average extreme low

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Will it freeze in Lawrence in the next 7 nights?

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

Tonight: forecast low 40°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 Lawrence

The median first fall hard-freeze date (28°F) is November 4, from NOAA’s 1991–2020 Climate Normals at Lawrence. 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 8 · Apr 21 · May 2 Oct 2 · Oct 19 · Oct 31 179 days
32°F freeze Mar 30 · Apr 12 · Apr 24 Oct 14 · Oct 28 · Nov 9 199 days
28°F hard freeze Mar 16 · Apr 3 · Apr 17 Oct 22 · Nov 4 · Nov 20 216 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00144559. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Lawrence

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 Lawrence, KS come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Lawrence (station USC00144559, elevation 1,050 ft), 0.7 mi from Lawrence. 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 Lawrence

CityDistanceLast spring frostFirst fall frost
Eudora, KS 9.3 mi Apr 21 Oct 17
Tonganoxie, KS 14 mi Apr 21 Oct 17
De Soto, KS 15 mi Apr 13 Oct 24
Gardner, KS 21 mi Apr 13 Oct 24
Basehor, KS 22 mi Apr 16 Oct 22
Bonner Springs, KS 22 mi Apr 16 Oct 22
Topeka, KS 24 mi Apr 16 Oct 22
Olathe, KS 24 mi Apr 10 Oct 29
Lenexa, KS 25 mi Apr 10 Oct 29
Ottawa, KS 25 mi Apr 18 Oct 20

Frequently asked questions

When is the last frost in Lawrence?

On average, the last spring frost (32°F) in Lawrence is around April 12. In about 1 year in 10 it comes after April 24, and in 9 years in 10 it comes after March 30.

When is the first frost in Lawrence?

The first fall frost (32°F) usually arrives around October 28. There’s a 10% chance of a freeze by October 14 and a 90% chance by November 9.

Can it frost in Lawrence 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 21.

What growing zone is Lawrence?

Lawrence 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 66045. See growing zones in Kansas.

More: all Kansas frost dates · Kansas growing zones · UV index today in Lawrence · frost vs. freeze