Frost dates 2026–2027

Frost dates for Austin, Texas

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Austin-Camp Mabry, 1.6 mi away (close match).

Last spring frostFeb 20
First fall frostDec 3
291 frost-free days
Last spring frostFeb 201 year in 10 after Mar 14
First fall frostDec 31 year in 10 by Nov 15
Growing season291 daysbetween median 32°F dates
Hardiness zoneZone 9a20 to 25°F average extreme low

Checking current alerts… View NWS forecast and alerts.

Will it freeze in Austin in the next 7 nights?

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

Tonight: forecast low 57°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 Austin

The median first fall hard-freeze date (28°F) is December 27, from NOAA’s 1991–2020 Climate Normals at Austin-Camp Mabry. 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 14 · Mar 6 · Mar 27 Nov 5 · Nov 22 · Dec 10 261 days
32°F freeze Jan 23 · Feb 20 · Mar 14 Nov 15 · Dec 3 · Jan 1 291 days
28°F hard freeze Dec 29 · Feb 1 · Mar 3 Nov 27 · Dec 27 · Feb 1 329 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USW00013958. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Austin-Camp Mabry

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 Austin, TX come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Austin-Camp Mabry (station USW00013958, elevation 670 ft), 1.6 mi from Austin. 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 Austin

CityDistanceLast spring frostFirst fall frost
Manor, TX 12 mi Mar 4 Nov 24
Bee Cave, TX 12 mi Mar 17 Nov 13
Pflugerville, TX 14 mi Mar 11 Nov 20
Lakeway, TX 14 mi Mar 17 Nov 13
Cedar Park, TX 15 mi Mar 11 Nov 20
Buda, TX 17 mi Mar 10 Nov 17
Round Rock, TX 17 mi Mar 11 Nov 20
Lago Vista, TX 17 mi Mar 2 Nov 29
Leander, TX 20 mi Mar 6 Nov 24
Hutto, TX 21 mi Mar 8 Nov 21

Frequently asked questions

When is the last frost in Austin?

On average, the last spring frost (32°F) in Austin is around February 20. In about 1 year in 10 it comes after March 14, and in 9 years in 10 it comes after January 23.

When is the first frost in Austin?

The first fall frost (32°F) usually arrives around December 3. There’s a 10% chance of a freeze by November 15 and a 90% chance by January 1.

Can it frost in Austin 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 6.

What growing zone is Austin?

Austin is in USDA Plant Hardiness Zone 9a (average annual extreme minimum temperature 20 to 25°F), based on the 2023 USDA map for ZIP code 78703. See growing zones in Texas.

More: all Texas frost dates · Texas growing zones · UV index today in Austin · frost vs. freeze