Frost dates 2026–2027

Frost dates for Greenbrier, Arkansas

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Greenbrier, 1.4 mi away (close match).

Last spring frostApr 9
First fall frostOct 25
198 frost-free days
Last spring frostApr 91 year in 10 after Apr 24
First fall frostOct 251 year in 10 by Oct 11
Growing season198 daysbetween median 32°F dates
Hardiness zoneZone 8a10 to 15°F average extreme low

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Will it freeze in Greenbrier in the next 7 nights?

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

Tonight: forecast low 47°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 Greenbrier

The median first fall hard-freeze date (28°F) is November 5, from NOAA’s 1991–2020 Climate Normals at Greenbrier. 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 20 · May 2 Oct 3 · Oct 15 · Oct 29 178 days
32°F freeze Mar 23 · Apr 9 · Apr 24 Oct 11 · Oct 25 · Nov 8 198 days
28°F hard freeze Mar 6 · Mar 29 · Apr 13 Oct 21 · Nov 5 · Nov 22 222 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00032962. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Greenbrier

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 Greenbrier, AR come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Greenbrier (station USC00032962, elevation 338 ft), 1.4 mi from Greenbrier. 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 Greenbrier

CityDistanceLast spring frostFirst fall frost
Conway, AR 12 mi Apr 2 Nov 2
Morrilton, AR 21 mi Mar 30 Nov 2
Maumelle, AR 26 mi Apr 1 Nov 1
Cabot, AR 27 mi Apr 4 Oct 31
Heber Springs, AR 27 mi Mar 31 Nov 6
Sherwood, AR 28 mi Mar 16 Nov 16
Jacksonville, AR 28 mi Mar 16 Nov 16
Ward, AR 29 mi Apr 4 Oct 31
Beebe, AR 29 mi Apr 4 Oct 31
North Little Rock, AR 32 mi Mar 21 Nov 10

Frequently asked questions

When is the last frost in Greenbrier?

On average, the last spring frost (32°F) in Greenbrier is around April 9. In about 1 year in 10 it comes after April 24, and in 9 years in 10 it comes after March 23.

When is the first frost in Greenbrier?

The first fall frost (32°F) usually arrives around October 25. There’s a 10% chance of a freeze by October 11 and a 90% chance by November 8.

Can it frost in Greenbrier 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 20.

What growing zone is Greenbrier?

Greenbrier is in USDA Plant Hardiness Zone 8a (average annual extreme minimum temperature 10 to 15°F), based on the 2023 USDA map for ZIP code 72058. See growing zones in Arkansas.

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