Frost dates 2026–2027

Frost dates for Brownsville, Tennessee

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Brownsville, 0.1 mi away (close match).

Last spring frostMar 29
First fall frostNov 5
221 frost-free days
Last spring frostMar 291 year in 10 after Apr 15
First fall frostNov 51 year in 10 by Oct 24
Growing season221 daysbetween median 32°F dates
Hardiness zoneZone 8a10 to 15°F average extreme low

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Will it freeze in Brownsville in the next 7 nights?

The earliest overnight low at or below 32°F in the available NWS frost forecast is Sat, Nov 7: 31°F (Sat, Nov 7, 6:00 PM CST to Sun, Nov 8, 6:00 AM CST).

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.

4 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 Brownsville

The median first fall hard-freeze date (28°F) is November 17, from NOAA’s 1991–2020 Climate Normals at Brownsville. 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 23 · Apr 9 · Apr 25 Oct 14 · Oct 27 · Nov 9 201 days
32°F freeze Mar 9 · Mar 29 · Apr 15 Oct 24 · Nov 5 · Nov 22 221 days
28°F hard freeze Feb 25 · Mar 16 · Apr 5 Nov 3 · Nov 17 · Dec 6 246 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00401145. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Brownsville

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 Brownsville, TN come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Brownsville (station USC00401145, elevation 330 ft), 0.1 mi from Brownsville. 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 Brownsville

CityDistanceLast spring frostFirst fall frost
Ripley, TN 19 mi Mar 26 Nov 6
Covington, TN 22 mi Mar 27 Nov 4
Jackson, TN 24 mi Apr 2 Oct 29
Humboldt, TN 25 mi Apr 4 Oct 30
Bolivar, TN 26 mi Apr 3 Oct 30
Oakland, TN 30 mi Mar 29 Nov 3
Medina, TN 30 mi Apr 4 Oct 30
Atoka, TN 32 mi Mar 27 Nov 4
Dyersburg, TN 32 mi Mar 28 Nov 2
Arlington, TN 32 mi Mar 29 Nov 5

Frequently asked questions

When is the last frost in Brownsville?

On average, the last spring frost (32°F) in Brownsville is around March 29. In about 1 year in 10 it comes after April 15, and in 9 years in 10 it comes after March 9.

When is the first frost in Brownsville?

The first fall frost (32°F) usually arrives around November 5. There’s a 10% chance of a freeze by October 24 and a 90% chance by November 22.

Can it frost in Brownsville 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 9.

What growing zone is Brownsville?

Brownsville 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 38012. See growing zones in Tennessee.

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