Frost dates 2026–2027

Frost dates for Lebanon, Missouri

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Lebanon 2W, 2.1 mi away (close match).

Last spring frostApr 17
First fall frostOct 21
187 frost-free days
Last spring frostApr 171 year in 10 after May 2
First fall frostOct 211 year in 10 by Oct 7
Growing season187 daysbetween median 32°F dates
Hardiness zoneZone 6b−5 to 0°F average extreme low

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Will it freeze in Lebanon in the next 7 nights?

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

Tonight: forecast low 43°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 Lebanon

The median first fall hard-freeze date (28°F) is October 30, from NOAA’s 1991–2020 Climate Normals at Lebanon 2W. 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 12 · Apr 29 · May 14 Sep 27 · Oct 11 · Oct 25 164 days
32°F freeze Mar 31 · Apr 17 · May 2 Oct 7 · Oct 21 · Nov 3 187 days
28°F hard freeze Mar 18 · Apr 4 · Apr 22 Oct 16 · Oct 30 · Nov 14 210 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00234825. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Lebanon 2W

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 Lebanon, MO come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Lebanon 2W (station USC00234825, elevation 1,246 ft), 2.1 mi from Lebanon. 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 Lebanon

CityDistanceLast spring frostFirst fall frost
Waynesville, MO 26 mi Apr 15 Oct 21
Marshfield, MO 27 mi Apr 13 Oct 24
St. Robert, MO 30 mi Apr 15 Oct 21
Osage Beach, MO 32 mi Mar 31 Nov 3
Bolivar, MO 42 mi Apr 14 Oct 23
Rogersville, MO 45 mi Apr 26 Oct 13
Springfield, MO 48 mi Apr 4 Oct 27
Willard, MO 49 mi Apr 9 Oct 27
Rolla, MO 53 mi Apr 5 Nov 1
Ozark, MO 53 mi Apr 15 Oct 23

Frequently asked questions

When is the last frost in Lebanon?

On average, the last spring frost (32°F) in Lebanon is around April 17. In about 1 year in 10 it comes after May 2, and in 9 years in 10 it comes after March 31.

When is the first frost in Lebanon?

The first fall frost (32°F) usually arrives around October 21. There’s a 10% chance of a freeze by October 7 and a 90% chance by November 3.

Can it frost in Lebanon 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 29.

What growing zone is Lebanon?

Lebanon 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 65536. See growing zones in Missouri.

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