Frost dates 2026–2027

Frost dates for Glens Falls, New York

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Glens Falls Farm, 1.9 mi away (close match).

Last spring frostMay 17
First fall frostSep 29
135 frost-free days
Last spring frostMay 171 year in 10 after May 31
First fall frostSep 291 year in 10 by Sep 17
Growing season135 daysbetween median 32°F dates
Hardiness zoneZone 5a−20 to −15°F average extreme low

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Will it freeze in Glens Falls in the next 7 nights?

The earliest overnight low at or below 32°F in the available NWS frost forecast is Mon, Nov 9: 31°F (Mon, Nov 9, 6:00 PM EST to Tue, Nov 10, 6:00 AM EST).

Tonight: forecast low 51°F. Above 36°F.

NWS forecast period: Thu, Nov 5, 6:00 PM EST to Fri, Nov 6, 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 Glens Falls

The median first fall hard-freeze date (28°F) is October 7, from NOAA’s 1991–2020 Climate Normals at Glens Falls Farm. 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 May 14 · May 28 · Jun 9 Sep 6 · Sep 19 · Oct 1 114 days
32°F freeze May 1 · May 17 · May 31 Sep 17 · Sep 29 · Oct 10 135 days
28°F hard freeze Apr 22 · May 5 · May 20 Sep 25 · Oct 7 · Oct 22 156 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00303284. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Glens Falls Farm

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 Glens Falls, NY come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Glens Falls Farm (station USC00303284, elevation 504 ft), 1.9 mi from Glens Falls. 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 Glens Falls

CityDistanceLast spring frostFirst fall frost
Hudson Falls, NY 3.1 mi May 9 Sep 30
Saratoga Springs, NY 18 mi May 2 Oct 7
Mechanicville, NY 28 mi Apr 19 Oct 26
Scotia, NY 37 mi Apr 27 Oct 15
Cohoes, NY 37 mi Apr 19 Oct 26
Amsterdam, NY 37 mi May 7 Oct 7
Schenectady, NY 38 mi Apr 27 Oct 15
Rutland, VT 39 mi May 15 Sep 27
Gloversville, NY 40 mi May 11 Oct 3
Troy, NY 40 mi Apr 19 Oct 26

Frequently asked questions

When is the last frost in Glens Falls?

On average, the last spring frost (32°F) in Glens Falls is around May 17. In about 1 year in 10 it comes after May 31, and in 9 years in 10 it comes after May 1.

When is the first frost in Glens Falls?

The first fall frost (32°F) usually arrives around September 29. There’s a 10% chance of a freeze by September 17 and a 90% chance by October 10.

Can it frost in Glens Falls 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 May 28.

What growing zone is Glens Falls?

Glens Falls is in USDA Plant Hardiness Zone 5a (average annual extreme minimum temperature −20 to −15°F), based on the 2023 USDA map for ZIP code 12801. See growing zones in New York.

More: all New York frost dates · New York growing zones · frost vs. freeze