Frost dates 2026–2027

Frost dates for Northfield, New Jersey

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Margate, 3.7 mi away (close match).

Last spring frostMar 26
First fall frostNov 22
243 frost-free days
Last spring frostMar 261 year in 10 after Apr 7
First fall frostNov 221 year in 10 by Nov 7
Growing season243 daysbetween median 32°F dates
Hardiness zoneZone 7b5 to 10°F average extreme low

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Will it freeze in Northfield in the next 7 nights?

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

Tonight: forecast low 60°F. Above 36°F.

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

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 Northfield

The median first fall hard-freeze date (28°F) is December 5, from NOAA’s 1991–2020 Climate Normals at Margate. 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 Mar 24 · Apr 7 · Apr 22 Oct 29 · Nov 8 · Nov 25 216 days
32°F freeze Mar 9 · Mar 26 · Apr 7 Nov 7 · Nov 22 · Dec 10 243 days
28°F hard freeze Feb 27 · Mar 13 · Mar 28 Nov 18 · Dec 5 · Dec 25 267 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00285243. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Margate

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 Northfield, NJ come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Margate (station USC00285243, elevation 16 ft), 3.7 mi from Northfield. 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 Northfield

CityDistanceLast spring frostFirst fall frost
Linwood, NJ 2.5 mi Mar 26 Nov 22
Pleasantville, NJ 2.5 mi Mar 26 Nov 22
Margate City, NJ 3.7 mi Mar 26 Nov 22
Ventnor City, NJ 4.3 mi Mar 26 Nov 22
Somers Point, NJ 5.0 mi Mar 26 Nov 22
Absecon, NJ 5.0 mi Apr 18 Oct 29
Atlantic City, NJ 5.6 mi Mar 26 Nov 21
Ocean City, NJ 7.5 mi Mar 26 Nov 22
Brigantine, NJ 9.9 mi Mar 26 Nov 21
Hammonton, NJ 23 mi Apr 14 Oct 27

Frequently asked questions

When is the last frost in Northfield?

On average, the last spring frost (32°F) in Northfield is around March 26. In about 1 year in 10 it comes after April 7, and in 9 years in 10 it comes after March 9.

When is the first frost in Northfield?

The first fall frost (32°F) usually arrives around November 22. There’s a 10% chance of a freeze by November 7 and a 90% chance by December 10.

Can it frost in Northfield 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 April 7.

What growing zone is Northfield?

Northfield is in USDA Plant Hardiness Zone 7b (average annual extreme minimum temperature 5 to 10°F), based on the 2023 USDA map for ZIP code 08225. See growing zones in New Jersey.

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