Frost dates 2026–2027

Frost dates for Troy, Alabama

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Troy, 0.5 mi away (close match).

Last spring frostMar 10
First fall frostNov 21
257 frost-free days
Last spring frostMar 101 year in 10 after Mar 30
First fall frostNov 211 year in 10 by Nov 4
Growing season257 daysbetween median 32°F dates
Hardiness zoneZone 8b15 to 20°F average extreme low

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Will it freeze in Troy in the next 7 nights?

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

Tonight: forecast low 59°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 Troy

The median first fall hard-freeze date (28°F) is December 7, from NOAA’s 1991–2020 Climate Normals at Troy. 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 2 · Mar 24 · Apr 14 Oct 28 · Nov 9 · Nov 29 230 days
32°F freeze Feb 15 · Mar 10 · Mar 30 Nov 4 · Nov 21 · Dec 14 257 days
28°F hard freeze Jan 26 · Feb 24 · Mar 17 Nov 13 · Dec 7 · Jan 8 288 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00018323. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Troy

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 Troy, AL come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Troy (station USC00018323, elevation 542 ft), 0.5 mi from Troy. 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 Troy

CityDistanceLast spring frostFirst fall frost
Ozark, AL 30 mi Mar 1 Nov 24
Enterprise, AL 34 mi Mar 9 Nov 21
Pike Road, AL 34 mi Mar 4 Nov 18
Greenville, AL 39 mi Mar 8 Nov 20
Opp, AL 40 mi Feb 28 Nov 28
Montgomery, AL 42 mi Mar 4 Nov 18
Andalusia, AL 45 mi Mar 25 Nov 9
Tuskegee, AL 46 mi Mar 25 Nov 8
Headland, AL 47 mi Mar 5 Nov 24
Eufaula, AL 48 mi Mar 13 Nov 17

Frequently asked questions

When is the last frost in Troy?

On average, the last spring frost (32°F) in Troy is around March 10. In about 1 year in 10 it comes after March 30, and in 9 years in 10 it comes after February 15.

When is the first frost in Troy?

The first fall frost (32°F) usually arrives around November 21. There’s a 10% chance of a freeze by November 4 and a 90% chance by December 14.

Can it frost in Troy 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 March 24.

What growing zone is Troy?

Troy is in USDA Plant Hardiness Zone 8b (average annual extreme minimum temperature 15 to 20°F), based on the 2023 USDA map for ZIP code 36082. See growing zones in Alabama.

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