Frost dates 2026–2027

Frost dates for Roselle, New Jersey

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Cranford, 3.5 mi away (close match).

Last spring frostApr 11
First fall frostOct 31
202 frost-free days
Last spring frostApr 111 year in 10 after Apr 28
First fall frostOct 311 year in 10 by Oct 14
Growing season202 daysbetween median 32°F dates
Hardiness zoneZone 7b5 to 10°F average extreme low

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Will it freeze in Roselle in the next 7 nights?

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

Tonight: forecast low 62°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 Roselle

The median first fall hard-freeze date (28°F) is November 12, from NOAA’s 1991–2020 Climate Normals at Cranford. 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 10 · Apr 25 · May 11 Oct 7 · Oct 20 · Nov 4 176 days
32°F freeze Mar 30 · Apr 11 · Apr 28 Oct 14 · Oct 31 · Nov 15 202 days
28°F hard freeze Mar 14 · Mar 30 · Apr 12 Oct 27 · Nov 12 · Dec 1 228 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00282023. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Cranford

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 Roselle, NJ come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Cranford (station USC00282023, elevation 80 ft), 3.5 mi from Roselle. 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 Roselle

CityDistanceLast spring frostFirst fall frost
Roselle Park, NJ 1.2 mi Apr 11 Oct 31
Linden, NJ 1.9 mi Apr 2 Nov 10
Kenilworth, NJ 2.5 mi Apr 11 Oct 31
Rahway, NJ 3.1 mi Apr 11 Oct 31
Garwood, NJ 3.1 mi Apr 11 Oct 31
Elizabeth, NJ 3.7 mi Apr 2 Nov 10
Westfield, NJ 4.3 mi Apr 11 Oct 31
Carteret, NJ 5.0 mi Apr 2 Nov 10
Mountainside, NJ 5.6 mi Apr 11 Oct 31
Fanwood, NJ 6.8 mi Apr 11 Oct 28

Frequently asked questions

When is the last frost in Roselle?

On average, the last spring frost (32°F) in Roselle is around April 11. In about 1 year in 10 it comes after April 28, and in 9 years in 10 it comes after March 30.

When is the first frost in Roselle?

The first fall frost (32°F) usually arrives around October 31. There’s a 10% chance of a freeze by October 14 and a 90% chance by November 15.

Can it frost in Roselle 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 25.

What growing zone is Roselle?

Roselle 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 07203. See growing zones in New Jersey.

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