Frost dates 2026–2027

Frost dates for Lago Vista, Texas

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Austin 33 NW, 13 mi away (close match).

Last spring frostMar 2
First fall frostNov 29
274 frost-free days
Last spring frostMar 21 year in 10 after Mar 20
First fall frostNov 291 year in 10 by Nov 10
Growing season274 daysbetween median 32°F dates
Hardiness zoneZone 9a20 to 25°F average extreme low

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Will it freeze in Lago Vista in the next 7 nights?

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

Tonight: forecast low 54°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 Lago Vista

The median first fall hard-freeze date (28°F) is December 13, from NOAA’s 1991–2020 Climate Normals at Austin 33 NW. 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 25 · Mar 14 · Apr 5 Nov 2 · Nov 18 · Dec 5 249 days
32°F freeze Feb 6 · Mar 2 · Mar 20 Nov 10 · Nov 29 · Dec 19 274 days
28°F hard freeze Jan 12 · Feb 16 · Mar 11 Nov 20 · Dec 13 · Jan 16 304 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USW00023907. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Austin 33 NW

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 Lago Vista, TX come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Austin 33 NW (station USW00023907, elevation 1,361 ft), 13 mi from Lago Vista. 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 Lago Vista

CityDistanceLast spring frostFirst fall frost
Lakeway, TX 6.8 mi Mar 17 Nov 13
Bee Cave, TX 9.9 mi Mar 17 Nov 13
Cedar Park, TX 11 mi Mar 11 Nov 20
Leander, TX 11 mi Mar 6 Nov 24
Liberty Hill, TX 16 mi Mar 6 Nov 24
Austin, TX 17 mi Feb 20 Dec 3
Marble Falls, TX 19 mi Mar 2 Nov 29
Dripping Springs, TX 19 mi Mar 17 Nov 13
Round Rock, TX 20 mi Mar 11 Nov 20
Georgetown, TX 23 mi Mar 6 Nov 24

Frequently asked questions

When is the last frost in Lago Vista?

On average, the last spring frost (32°F) in Lago Vista is around March 2. In about 1 year in 10 it comes after March 20, and in 9 years in 10 it comes after February 6.

When is the first frost in Lago Vista?

The first fall frost (32°F) usually arrives around November 29. There’s a 10% chance of a freeze by November 10 and a 90% chance by December 19.

Can it frost in Lago Vista 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 Lago Vista?

Lago Vista 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 78645. See growing zones in Texas.

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