Frost dates 2026–2027

Frost dates for Rumson, New Jersey

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Long Branch-Oakhurst, 4.5 mi away (close match).

Last spring frostApr 9
First fall frostNov 3
208 frost-free days
Last spring frostApr 91 year in 10 after Apr 23
First fall frostNov 31 year in 10 by Oct 21
Growing season208 daysbetween median 32°F dates
Hardiness zoneZone 7b5 to 10°F average extreme low

Checking current alerts… View NWS forecast and alerts.

Will it freeze in Rumson in the next 7 nights?

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

The median first fall hard-freeze date (28°F) is November 15, from NOAA’s 1991–2020 Climate Normals at Long Branch-Oakhurst. 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 8 · Apr 22 · May 8 Oct 11 · Oct 24 · Nov 6 184 days
32°F freeze Mar 28 · Apr 9 · Apr 23 Oct 21 · Nov 3 · Nov 18 208 days
28°F hard freeze Mar 13 · Mar 29 · Apr 10 Nov 1 · Nov 15 · Dec 2 233 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00284987. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Long Branch-Oakhurst

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 Rumson, NJ come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Long Branch-Oakhurst (station USC00284987, elevation 30 ft), 4.5 mi from Rumson. 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 Rumson

CityDistanceLast spring frostFirst fall frost
Fair Haven, NJ 1.9 mi Apr 9 Nov 3
Little Silver, NJ 2.5 mi Apr 9 Nov 3
Oceanport, NJ 3.1 mi Apr 9 Nov 3
Red Bank, NJ 3.1 mi Apr 9 Nov 3
Long Branch, NJ 5.0 mi Apr 9 Nov 3
West Long Branch, NJ 5.0 mi Apr 9 Nov 3
Eatontown, NJ 5.6 mi Apr 9 Nov 3
Tinton Falls, NJ 8.1 mi Apr 9 Nov 3
Asbury Park, NJ 9.3 mi Apr 9 Nov 3
Keansburg, NJ 9.9 mi Apr 17 Oct 23

Frequently asked questions

When is the last frost in Rumson?

On average, the last spring frost (32°F) in Rumson is around April 9. In about 1 year in 10 it comes after April 23, and in 9 years in 10 it comes after March 28.

When is the first frost in Rumson?

The first fall frost (32°F) usually arrives around November 3. There’s a 10% chance of a freeze by October 21 and a 90% chance by November 18.

Can it frost in Rumson 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 22.

What growing zone is Rumson?

Rumson 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 07760. See growing zones in New Jersey.

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