Frost dates 2026–2027

Frost dates for Madisonville, Tennessee

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Tellico Plains, 11 mi away (close match).

Last spring frostApr 13
First fall frostOct 24
193 frost-free days
Last spring frostApr 131 year in 10 after Apr 29
First fall frostOct 241 year in 10 by Oct 10
Growing season193 daysbetween median 32°F dates
Hardiness zoneZone 7b5 to 10°F average extreme low

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Will it freeze in Madisonville in the next 7 nights?

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

Tonight: forecast low 41°F. Above 36°F.

NWS forecast period: Fri, Nov 6, 6:00 PM EST to Sat, Nov 7, 6:00 AM EST.

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 Madisonville

The median first fall hard-freeze date (28°F) is November 2, from NOAA’s 1991–2020 Climate Normals at Tellico Plains. 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 9 · Apr 25 · May 9 Oct 3 · Oct 15 · Oct 28 173 days
32°F freeze Mar 27 · Apr 13 · Apr 29 Oct 10 · Oct 24 · Nov 5 193 days
28°F hard freeze Mar 8 · Mar 31 · Apr 18 Oct 19 · Nov 2 · Nov 18 218 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00408886. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Tellico Plains

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 Madisonville, TN come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Tellico Plains (station USC00408886, elevation 910 ft), 11 mi from Madisonville. 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 Madisonville

CityDistanceLast spring frostFirst fall frost
Sweetwater, TN 8.1 mi Apr 10 Oct 27
Athens, TN 14 mi Apr 6 Oct 31
Loudon, TN 15 mi Apr 5 Nov 1
Lenoir City, TN 21 mi Apr 5 Nov 1
Kingston, TN 25 mi Apr 3 Nov 4
Farragut, TN 27 mi Apr 5 Nov 1
Maryville, TN 27 mi Apr 1 Nov 2
Rockwood, TN 30 mi Apr 8 Oct 31
Alcoa, TN 30 mi Apr 1 Nov 2
Harriman, TN 30 mi Apr 3 Nov 4

Frequently asked questions

When is the last frost in Madisonville?

On average, the last spring frost (32°F) in Madisonville is around April 13. In about 1 year in 10 it comes after April 29, and in 9 years in 10 it comes after March 27.

When is the first frost in Madisonville?

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

Can it frost in Madisonville 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 25.

What growing zone is Madisonville?

Madisonville is in USDA Plant Hardiness Zone 7b (average annual extreme minimum temperature 5 to 10°F), based on the 2023 USDA map for ZIP code 37354. See growing zones in Tennessee.

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