Frost dates 2026–2027

Frost dates for Topeka, Kansas

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Topeka - NWS, 4.4 mi away (close match).

Last spring frostApr 16
First fall frostOct 22
189 frost-free days
Last spring frostApr 161 year in 10 after Apr 27
First fall frostOct 221 year in 10 by Oct 6
Growing season189 daysbetween median 32°F dates
Hardiness zoneZone 6b−5 to 0°F average extreme low

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Will it freeze in Topeka in the next 7 nights?

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

1 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 Topeka

The median first fall hard-freeze date (28°F) is October 31, from NOAA’s 1991–2020 Climate Normals at Topeka - NWS. 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 10 · Apr 24 · May 5 Sep 28 · Oct 13 · Oct 26 169 days
32°F freeze Apr 1 · Apr 16 · Apr 27 Oct 6 · Oct 22 · Nov 4 189 days
28°F hard freeze Mar 17 · Apr 5 · Apr 20 Oct 17 · Oct 31 · Nov 16 208 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00148171. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Topeka - NWS

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 Topeka, KS come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Topeka - NWS (station USC00148171, elevation 880 ft), 4.4 mi from Topeka. 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 Topeka

CityDistanceLast spring frostFirst fall frost
Lawrence, KS 24 mi Apr 12 Oct 28
Eudora, KS 33 mi Apr 21 Oct 17
Tonganoxie, KS 34 mi Apr 21 Oct 17
Ottawa, KS 38 mi Apr 18 Oct 20
De Soto, KS 39 mi Apr 13 Oct 24
Basehor, KS 42 mi Apr 16 Oct 22
Bonner Springs, KS 44 mi Apr 16 Oct 22
Gardner, KS 45 mi Apr 13 Oct 24
Lansing, KS 45 mi Apr 19 Oct 19
Leavenworth, KS 46 mi Apr 12 Oct 27

Frequently asked questions

When is the last frost in Topeka?

On average, the last spring frost (32°F) in Topeka is around April 16. In about 1 year in 10 it comes after April 27, and in 9 years in 10 it comes after April 1.

When is the first frost in Topeka?

The first fall frost (32°F) usually arrives around October 22. There’s a 10% chance of a freeze by October 6 and a 90% chance by November 4.

Can it frost in Topeka 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 24.

What growing zone is Topeka?

Topeka 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 66621. See growing zones in Kansas.

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