Frost dates 2026–2027

Frost dates for Bossier City, Louisiana

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Shreveport Dwtn Airport, 5.4 mi away (close match).

Last spring frostFeb 28
First fall frostNov 24
268 frost-free days
Last spring frostFeb 281 year in 10 after Mar 19
First fall frostNov 241 year in 10 by Nov 7
Growing season268 daysbetween median 32°F dates
Hardiness zoneZone 8b15 to 20°F average extreme low

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Will it freeze in Bossier City in the next 7 nights?

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

Tonight: forecast low 52°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 Bossier City

The median first fall hard-freeze date (28°F) is December 10, from NOAA’s 1991–2020 Climate Normals at Shreveport Dwtn Airport. 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 Feb 24 · Mar 14 · Apr 3 Oct 31 · Nov 12 · Nov 29 243 days
32°F freeze Feb 4 · Feb 28 · Mar 19 Nov 7 · Nov 24 · Dec 14 268 days
28°F hard freeze Jan 16 · Feb 11 · Mar 7 Nov 17 · Dec 10 · Jan 7 304 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USW00053905. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Shreveport Dwtn Airport

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 Bossier City, LA come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Shreveport Dwtn Airport (station USW00053905, elevation 179 ft), 5.4 mi from Bossier City. 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 Bossier City

CityDistanceLast spring frostFirst fall frost
Shreveport, LA 8.7 mi Mar 9 Nov 18
Minden, LA 23 mi Mar 17 Nov 14
Marshall, TX 40 mi Mar 20 Nov 11
Carthage, TX 47 mi Mar 8 Nov 19
Atlanta, TX 50 mi Mar 19 Nov 11
Grambling, LA 55 mi Mar 11 Nov 16
Magnolia, AR 58 mi Mar 31 Nov 2
Center, TX 59 mi Mar 13 Nov 15
Ruston, LA 60 mi Mar 11 Nov 16
Natchitoches, LA 63 mi Feb 28 Dec 1

Frequently asked questions

When is the last frost in Bossier City?

On average, the last spring frost (32°F) in Bossier City is around February 28. In about 1 year in 10 it comes after March 19, and in 9 years in 10 it comes after February 4.

When is the first frost in Bossier City?

The first fall frost (32°F) usually arrives around November 24. There’s a 10% chance of a freeze by November 7 and a 90% chance by December 14.

Can it frost in Bossier City 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 14.

What growing zone is Bossier City?

Bossier City 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 71110. See growing zones in Louisiana.

More: all Louisiana frost dates · Louisiana growing zones · UV index today in Bossier City · frost vs. freeze