Frost dates 2026–2027

Frost dates for Baldwinsville, New York

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Brewerton Lock 23, 9.0 mi away (close match).

Last spring frostMay 4
First fall frostOct 11
158 frost-free days
Last spring frostMay 41 year in 10 after May 19
First fall frostOct 111 year in 10 by Sep 27
Growing season158 daysbetween median 32°F dates
Hardiness zoneZone 6a−10 to −5°F average extreme low

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Will it freeze in Baldwinsville in the next 7 nights?

The earliest overnight low at or below 32°F in the available NWS frost forecast is Wed, Nov 11: 30°F (Wed, Nov 11, 6:00 PM EST to Thu, Nov 12, 6:00 AM EST).

Tonight: forecast low 47°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 Baldwinsville

The median first fall hard-freeze date (28°F) is October 29, from NOAA’s 1991–2020 Climate Normals at Brewerton Lock 23. 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 1 · May 16 · May 31 Sep 18 · Sep 29 · Oct 14 134 days
32°F freeze Apr 22 · May 4 · May 19 Sep 27 · Oct 11 · Oct 29 158 days
28°F hard freeze Apr 11 · Apr 24 · May 8 Oct 9 · Oct 29 · Nov 10 184 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00300870. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Brewerton Lock 23

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 Baldwinsville, NY come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Brewerton Lock 23 (station USC00300870, elevation 377 ft), 9.0 mi from Baldwinsville. 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 Baldwinsville

CityDistanceLast spring frostFirst fall frost
Solvay, NY 9.3 mi Apr 29 Oct 19
North Syracuse, NY 11 mi Apr 29 Oct 19
Fulton, NY 12 mi Apr 27 Oct 24
Syracuse, NY 13 mi Apr 29 Oct 19
Auburn, NY 19 mi May 2 Oct 18
Oswego, NY 22 mi Apr 22 Oct 29
Oneida, NY 34 mi May 1 Oct 13
Geneva, NY 39 mi Apr 30 Oct 21
Newark, NY 39 mi Apr 30 Oct 21
Cortland, NY 39 mi May 7 Oct 8

Frequently asked questions

When is the last frost in Baldwinsville?

On average, the last spring frost (32°F) in Baldwinsville is around May 4. In about 1 year in 10 it comes after May 19, and in 9 years in 10 it comes after April 22.

When is the first frost in Baldwinsville?

The first fall frost (32°F) usually arrives around October 11. There’s a 10% chance of a freeze by September 27 and a 90% chance by October 29.

Can it frost in Baldwinsville 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 16.

What growing zone is Baldwinsville?

Baldwinsville 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 13027. See growing zones in New York.

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