Frost dates 2026–2027

Frost dates for Cohoes, New York

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

Last spring frostApr 19
First fall frostOct 26
190 frost-free days
Last spring frostApr 191 year in 10 after May 3
First fall frostOct 261 year in 10 by Oct 11
Growing season190 daysbetween median 32°F dates
Hardiness zoneZone 6a−10 to −5°F average extreme low

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Will it freeze in Cohoes in the next 7 nights?

The earliest overnight low at or below 32°F in the available NWS frost forecast is Wed, Nov 11: 28°F (Wed, Nov 11, 6:00 PM EST to Thu, Nov 12, 6:00 AM EST).

Tonight: forecast low 55°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 Cohoes

The median first fall hard-freeze date (28°F) is November 6, from NOAA’s 1991–2020 Climate Normals at Troy L&d. 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 19 · May 1 · May 15 Sep 30 · Oct 13 · Oct 31 165 days
32°F freeze Apr 6 · Apr 19 · May 3 Oct 11 · Oct 26 · Nov 10 190 days
28°F hard freeze Mar 27 · Apr 7 · Apr 20 Oct 25 · Nov 6 · Nov 20 212 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00308600. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Troy L&d

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 Cohoes, NY come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Troy L&d (station USC00308600, elevation 15 ft), 1.9 mi from Cohoes. 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 Cohoes

CityDistanceLast spring frostFirst fall frost
Troy, NY 3.1 mi Apr 19 Oct 26
Watervliet, NY 3.1 mi Apr 19 Oct 26
Colonie, NY 7.5 mi Apr 27 Oct 15
Albany, NY 8.7 mi Apr 27 Oct 15
Rensselaer, NY 8.7 mi Apr 19 Oct 26
Mechanicville, NY 9.3 mi Apr 19 Oct 26
Schenectady, NY 11 mi Apr 27 Oct 15
Scotia, NY 14 mi Apr 27 Oct 15
Saratoga Springs, NY 21 mi May 2 Oct 7
Amsterdam, NY 27 mi May 7 Oct 7

Frequently asked questions

When is the last frost in Cohoes?

On average, the last spring frost (32°F) in Cohoes is around April 19. In about 1 year in 10 it comes after May 3, and in 9 years in 10 it comes after April 6.

When is the first frost in Cohoes?

The first fall frost (32°F) usually arrives around October 26. There’s a 10% chance of a freeze by October 11 and a 90% chance by November 10.

Can it frost in Cohoes 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 1.

What growing zone is Cohoes?

Cohoes is in USDA Plant Hardiness Zone 6a (average annual extreme minimum temperature −10 to −5°F), based on the 2023 USDA map for ZIP code 12047. See growing zones in New York.

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