Frost dates 2026–2027

Frost dates for Bristol, Tennessee

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Bristol Tri City Airport, 12 mi away (close match).

Last spring frostApr 16
First fall frostOct 24
190 frost-free days
Last spring frostApr 161 year in 10 after May 5
First fall frostOct 241 year in 10 by Oct 11
Growing season190 daysbetween median 32°F dates
Hardiness zoneZone 7a0 to 5°F average extreme low

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Will it freeze in Bristol in the next 7 nights?

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

Tonight: forecast low 50°F. Above 36°F.

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

2 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 Bristol

The median first fall hard-freeze date (28°F) is November 1, from NOAA’s 1991–2020 Climate Normals at Bristol Tri City 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 Apr 14 · Apr 29 · May 17 Oct 4 · Oct 15 · Oct 28 169 days
32°F freeze Mar 30 · Apr 16 · May 5 Oct 11 · Oct 24 · Nov 4 190 days
28°F hard freeze Mar 16 · Apr 1 · Apr 18 Oct 19 · Nov 1 · Nov 15 212 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USW00013877. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Bristol Tri City 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 Bristol, TN come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Bristol Tri City Airport (station USW00013877, elevation 1,500 ft), 12 mi from Bristol. 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 Bristol

CityDistanceLast spring frostFirst fall frost
Bristol, VA 5.0 mi Apr 21 Oct 20
Elizabethton, TN 15 mi Apr 19 Oct 24
Abingdon, VA 17 mi Apr 21 Oct 20
Johnson City, TN 17 mi Apr 19 Oct 24
Kingsport, TN 18 mi Apr 9 Oct 29
Jonesborough, TN 23 mi Apr 21 Oct 23
Mount Carmel, TN 25 mi Apr 9 Oct 29
Church Hill, TN 28 mi Apr 9 Oct 29
Erwin, TN 30 mi Apr 21 Oct 23
Big Stone Gap, VA 37 mi Apr 20 Oct 23

Frequently asked questions

When is the last frost in Bristol?

On average, the last spring frost (32°F) in Bristol is around April 16. In about 1 year in 10 it comes after May 5, and in 9 years in 10 it comes after March 30.

When is the first frost in Bristol?

The first fall frost (32°F) usually arrives around October 24. There’s a 10% chance of a freeze by October 11 and a 90% chance by November 4.

Can it frost in Bristol 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 29.

What growing zone is Bristol?

Bristol is in USDA Plant Hardiness Zone 7a (average annual extreme minimum temperature 0 to 5°F), based on the 2023 USDA map for ZIP code 24201. See growing zones in Tennessee.

More: all Tennessee frost dates · Tennessee growing zones · UV index today in Bristol · frost vs. freeze