U.S. Frost Dates by Weather Station

NOAA station USC00405278 · Tennessee

Frost Dates for Linden, TN

NOAA weather station Linden WTP (USC00405278), Tennessee · elevation 505 ft (154 m) · hardiness zone 7b*

  • Lower-risk planting dateafter April 25only 1 spring in 10 still has a frost later
  • Typical last frostApril 1250% chance of a frost after it
  • Typical first fall frostOctober 2550% chance of a frost before it
  • Frost-free season197 daystypical year, 32°F
  • Hardiness zone7bcalculated*

The year at a glance

Frost season at Linden, TNSpring: a frost after March 26 in 9 years out of 10, after April 12 in half of the years, after April 25 in 1 year out of 10. Fall: the first frost comes before October 14 in 1 year out of 10, before October 25 in half of the years, before November 6 in 9 years out of 10. Typical frost-free season: 197 days.JanFebMarAprMayJunJulAugSepOctNovDecLast frost ~Apr 12First frost ~Oct 25Frost season at Linden, TNSpring: a frost after March 26 in 9 years out of 10, after April 12 in half of the years, after April 25 in 1 year out of 10. Fall: the first frost comes before October 14 in 1 year out of 10, before October 25 in half of the years, before November 6 in 9 years out of 10. Typical frost-free season: 197 days.JFMAMJJASONDLast frost ~Apr 12First frost ~Oct 25
frost likely chance fading 90% → 10% frost-free in a typical yearThe year at a glance. Blue: frost is likely; the gradient fades as the chance drops from 90% to 10%; green: the frost-free part of a typical year.

Frost dates (32°F)

Probability of frost, based on 26 years of NOAA records (1991–2020 normals)
ChanceLast frost in spring afterFirst frost in fall before
10% (unlikely)April 25October 14
50% (typical)April 12October 25
90% (likely)March 26November 6
Frost-free season (32°F, 50% chance)
197 days
Hard frost (28°F), last in spring, 50% chance after
April 1
Hard frost (28°F), first in fall, 50% chance before
November 3

The last 15 years (2006–2020 normals)

Typical last frost April 10 (2 days earlier than the 30-year normal), typical first fall frost October 26 (1 day later). Frost-free season 200 days.

A shorter, more recent NOAA period. The 30-year normals above remain the main reference: 15 years carry more year-to-year noise.

Add these dates to your calendar Yearly reminders for the typical last frost, the lower-risk planting date and the typical first fall frost (.ics).

How the chance of frost changes with the date

Spring at Linden: chance of a frost after this dateSpring, chance of a frost after the date: 10% April 25, 20% April 22, 30% April 18, 40% April 15, 50% April 12, 60% April 8, 70% April 4, 80% March 31, 90% March 26. Observed last spring frost in recent years: 2021 April 24.Spring: last frostChance of a frost after this date10%50%90%Apr 1May 1Apr 25Apr 12Mar 262021: April 24Fall at Linden: chance of a frost before this dateFall, chance of a frost before the date: 10% October 14, 20% October 18, 30% October 21, 40% October 23, 50% October 25, 60% October 28, 70% October 30, 80% November 2, 90% November 6.Fall: first frostChance of a frost before this date10%50%90%Oct 1Nov 1Oct 14Oct 25Nov 6
Two charts, because spring and fall answer different questions: in spring, the chance that a frost still comes after a date; in fall, the chance that the first frost has already come before it. NOAA publishes these odds from 10% to 90%, so the lines stop there. ◆ marks the actual date in each recent year.

What actually happened in recent years

Observed dates of the last spring and first fall frost (32°F) at this station; ◆ marks them on the charts above
YearLast spring frostFirst fall frost
2021April 24incomplete record
2022incomplete recordno data
2023no datano data
2024no datano data
2025no datano data
2026no dataseason not over yet

What these dates mean

April 25 marks the cautious spring date, giving a gardener a 10% chance of a light frost later and allowing tender crops to be set out with minimal risk. The 50% date of April 12 indicates an even odds of a light frost later than that day, while the March 26 date carries a 90% chance of a frost later, making a very early planting a gamble.

To finish harvesting tender crops in autumn, the cautious date is October 14, when there is only a 10% chance that a light frost has arrived earlier. The October 25 50% date means there is an even chance of a frost earlier than that day, and November 6 reflects a 90% chance of an early frost, so planning beyond that is risky. Hard frost at 28°F, noted on the spring April 1 and fall November 3 dates, can damage plants more severely than a light frost at 32°F.

How to read the probabilities

The dates are probabilities from 30 years of weather, not a forecast for this year.

  • Spring: "10% after April 25" means that in about one spring out of ten a frost still happens after that date. The 90% date is the earliest: a frost after it happens in most years.
  • Fall: "10% before October 14" means that in about one fall out of ten the first frost arrives before that date.
  • 50% is the typical date: half of the years are earlier, half are later.
  • A light frost (32°F) damages tender plants; a hard frost (28°F) also stops most hardy vegetables.

Nearby weather stations

Map of weather stations near Linden, TNNumbered nearest stations: 1 — Waynesboro, TN — 21 mi; 2 — Lexington, TN — 31 mi; 3 — Dickson, TN — 41 mi; 4 — Columbia, TN — 42 mi; 5 — Huntingdon, TN — 43 mi.25 mi · 40 km1. Waynesboro, TN — 21 mi12. Lexington, TN — 31 mi23. Dickson, TN — 41 mi34. Columbia, TN — 42 mi45. Huntingdon, TN — 43 mi5
  1. Waynesboro, TN 21 mi (34 km)
  2. Lexington, TN 31 mi (50 km)
  3. Dickson, TN 41 mi (66 km)
  4. Columbia, TN 42 mi (68 km)
  5. Huntingdon, TN 43 mi (69 km)

Sources

* Hardiness zone 7b: zone derived from PRISM 2023 grid at the station location (not the official USDA map). Source data: PRISM Group, Oregon State University.

Station coordinates: 35.6047, -87.8408.