Frost dates 2026–2027

Frost dates for Glen Ridge, New Jersey

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Essex Fells Service Bldg, 4.6 mi away (close match).

Last spring frostApr 18
First fall frostOct 24
187 frost-free days
Last spring frostApr 181 year in 10 after May 7
First fall frostOct 241 year in 10 by Oct 8
Growing season187 daysbetween median 32°F dates
Hardiness zoneZone 7a0 to 5°F average extreme low

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Will it freeze in Glen Ridge in the next 7 nights?

No overnight lows at or below 32°F are forecast in Glen Ridge 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 Glen Ridge

The median first fall hard-freeze date (28°F) is November 4, from NOAA’s 1991–2020 Climate Normals at Essex Fells Service Bldg. 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 17 · May 1 · May 18 Sep 30 · Oct 11 · Oct 26 161 days
32°F freeze Apr 3 · Apr 18 · May 7 Oct 8 · Oct 24 · Nov 6 187 days
28°F hard freeze Mar 22 · Apr 3 · Apr 19 Oct 21 · Nov 4 · Nov 20 212 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00282768. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Essex Fells Service Bldg

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 Glen Ridge, NJ come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Essex Fells Service Bldg (station USC00282768, elevation 350 ft), 4.6 mi from Glen Ridge. 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 Glen Ridge

CityDistanceLast spring frostFirst fall frost
East Orange, NJ 2.5 mi Apr 4 Nov 6
North Arlington, NJ 4.3 mi Apr 4 Nov 6
Caldwell, NJ 4.3 mi Apr 18 Oct 24
Clifton, NJ 4.3 mi Apr 15 Oct 28
North Caldwell, NJ 5.0 mi Apr 14 Oct 28
Harrison, NJ 5.0 mi Apr 4 Nov 6
Rutherford, NJ 5.0 mi Apr 3 Nov 4
Passaic, NJ 5.6 mi Apr 3 Nov 4
Kearny, NJ 5.6 mi Apr 4 Nov 6
Roseland, NJ 5.6 mi Apr 18 Oct 24

Frequently asked questions

When is the last frost in Glen Ridge?

On average, the last spring frost (32°F) in Glen Ridge is around April 18. In about 1 year in 10 it comes after May 7, and in 9 years in 10 it comes after April 3.

When is the first frost in Glen Ridge?

The first fall frost (32°F) usually arrives around October 24. There’s a 10% chance of a freeze by October 8 and a 90% chance by November 6.

Can it frost in Glen Ridge 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 Glen Ridge?

Glen Ridge is in USDA Plant Hardiness Zone 7a (average annual extreme minimum temperature 0 to 5°F), based on the 2023 USDA map for ZIP code 07028. See growing zones in New Jersey.

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