Frost dates 2026–2027

Frost dates for Benton, Arkansas

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Benton, 1.7 mi away (close match).

Last spring frostMar 24
First fall frostNov 7
229 frost-free days
Last spring frostMar 241 year in 10 after Apr 13
First fall frostNov 71 year in 10 by Oct 26
Growing season229 daysbetween median 32°F dates
Hardiness zoneZone 8a10 to 15°F average extreme low

Checking current alerts… View NWS forecast and alerts.

Will it freeze in Benton in the next 7 nights?

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

Tonight: forecast low 49°F. Above 36°F.

NWS forecast period: Thu, Nov 5, 6:00 PM CST to Fri, Nov 6, 6:00 AM CST.

No nights at or below 36°F in the National Weather Service forecast for the next 7 nights.

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 Benton

The median first fall hard-freeze date (28°F) is November 18, from NOAA’s 1991–2020 Climate Normals at Benton. 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 Mar 20 · Apr 7 · Apr 24 Oct 16 · Oct 30 · Nov 12 205 days
32°F freeze Mar 3 · Mar 24 · Apr 13 Oct 26 · Nov 7 · Nov 23 229 days
28°F hard freeze Feb 19 · Mar 9 · Mar 29 Nov 1 · Nov 18 · Dec 5 254 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00030582. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Benton

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 Benton, AR come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Benton (station USC00030582, elevation 310 ft), 1.7 mi from Benton. 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 Benton

CityDistanceLast spring frostFirst fall frost
Bryant, AR 5.6 mi Mar 24 Nov 7
Little Rock, AR 16 mi Mar 21 Nov 10
Sheridan, AR 19 mi Apr 1 Nov 3
Malvern, AR 20 mi Mar 31 Nov 5
Maumelle, AR 21 mi Apr 1 Nov 1
North Little Rock, AR 24 mi Mar 21 Nov 10
Hot Springs, AR 28 mi Mar 19 Nov 13
Sherwood, AR 28 mi Mar 16 Nov 16
Jacksonville, AR 32 mi Mar 16 Nov 16
White Hall, AR 34 mi Mar 14 Nov 16

Frequently asked questions

When is the last frost in Benton?

On average, the last spring frost (32°F) in Benton is around March 24. In about 1 year in 10 it comes after April 13, and in 9 years in 10 it comes after March 3.

When is the first frost in Benton?

The first fall frost (32°F) usually arrives around November 7. There’s a 10% chance of a freeze by October 26 and a 90% chance by November 23.

Can it frost in Benton 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 7.

What growing zone is Benton?

Benton 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 72022. See growing zones in Arkansas.

More: all Arkansas frost dates · Arkansas growing zones · UV index today in Benton · frost vs. freeze