Frost dates 2026–2027

Frost dates for Pittsburg, Kansas

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

Last spring frostApr 7
First fall frostOct 30
203 frost-free days
Last spring frostApr 71 year in 10 after Apr 24
First fall frostOct 301 year in 10 by Oct 17
Growing season203 daysbetween median 32°F dates
Hardiness zoneZone 7a0 to 5°F average extreme low

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Will it freeze in Pittsburg in the next 7 nights?

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

Tonight: forecast low 42°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 Pittsburg

The median first fall hard-freeze date (28°F) is November 6, from NOAA’s 1991–2020 Climate Normals at Pittsburg. 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 3 · Apr 18 · May 2 Oct 5 · Oct 21 · Nov 2 184 days
32°F freeze Mar 24 · Apr 7 · Apr 24 Oct 17 · Oct 30 · Nov 10 203 days
28°F hard freeze Mar 12 · Mar 29 · Apr 12 Oct 25 · Nov 6 · Nov 21 222 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00146414. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Pittsburg

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 Pittsburg, KS come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Pittsburg (station USC00146414, elevation 908 ft), 1.6 mi from Pittsburg. 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 Pittsburg

CityDistanceLast spring frostFirst fall frost
Carl Junction, MO 19 mi Apr 9 Oct 27
Webb City, MO 22 mi Apr 9 Oct 27
Joplin, MO 25 mi Apr 9 Oct 27
Carthage, MO 27 mi Apr 4 Oct 27
Fort Scott, KS 29 mi Apr 5 Oct 28
Parsons, KS 32 mi Apr 11 Oct 26
Nevada, MO 35 mi Apr 7 Oct 27
Miami, OK 37 mi Apr 6 Oct 27
Neosho, MO 43 mi Apr 7 Oct 31
Chanute, KS 45 mi Apr 10 Oct 28

Frequently asked questions

When is the last frost in Pittsburg?

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

When is the first frost in Pittsburg?

The first fall frost (32°F) usually arrives around October 30. There’s a 10% chance of a freeze by October 17 and a 90% chance by November 10.

Can it frost in Pittsburg 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 18.

What growing zone is Pittsburg?

Pittsburg 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 66762. See growing zones in Kansas.

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