Frost dates 2026–2027

Frost dates for Webster, New York

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Webster 2 NE, 2.4 mi away (close match).

Last spring frostMay 1
First fall frostOct 20
171 frost-free days
Last spring frostMay 11 year in 10 after May 16
First fall frostOct 201 year in 10 by Oct 4
Growing season171 daysbetween median 32°F dates
Hardiness zoneZone 6b−5 to 0°F average extreme low

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Will it freeze in Webster in the next 7 nights?

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

Tonight: forecast low 50°F. Above 36°F.

NWS forecast period: Thu, Nov 5, 6:00 PM EST to Fri, Nov 6, 6:00 AM EST.

1 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 Webster

The median first fall hard-freeze date (28°F) is November 4, from NOAA’s 1991–2020 Climate Normals at Webster 2 NE. 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 29 · May 12 · May 25 Sep 25 · Oct 7 · Oct 21 148 days
32°F freeze Apr 18 · May 1 · May 16 Oct 4 · Oct 20 · Nov 5 171 days
28°F hard freeze Apr 5 · Apr 19 · May 4 Oct 19 · Nov 4 · Nov 17 196 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00309049. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Webster 2 NE

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 Webster, NY come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Webster 2 NE (station USC00309049, elevation 275 ft), 2.4 mi from Webster. 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 Webster

CityDistanceLast spring frostFirst fall frost
East Rochester, NY 8.1 mi May 2 Oct 17
Fairport, NY 8.1 mi May 2 Oct 17
Rochester, NY 11 mi Apr 24 Oct 25
Hilton, NY 19 mi Apr 24 Oct 30
Newark, NY 21 mi Apr 30 Oct 21
Canandaigua, NY 24 mi Apr 29 Oct 22
Brockport, NY 26 mi Apr 24 Oct 30
Geneva, NY 33 mi Apr 30 Oct 21
Geneseo, NY 35 mi Apr 30 Oct 17
Albion, NY 39 mi May 1 Oct 20

Frequently asked questions

When is the last frost in Webster?

On average, the last spring frost (32°F) in Webster is around May 1. In about 1 year in 10 it comes after May 16, and in 9 years in 10 it comes after April 18.

When is the first frost in Webster?

The first fall frost (32°F) usually arrives around October 20. There’s a 10% chance of a freeze by October 4 and a 90% chance by November 5.

Can it frost in Webster 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 12.

What growing zone is Webster?

Webster is in USDA Plant Hardiness Zone 6b (average annual extreme minimum temperature −5 to 0°F), based on the 2023 USDA map for ZIP code 14580. See growing zones in New York.

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