Frost dates 2026–2027

Frost dates for New Freedom, Pennsylvania

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Millers 4 NE, 5.7 mi away (close match).

Last spring frostApr 19
First fall frostOct 25
188 frost-free days
Last spring frostApr 191 year in 10 after May 8
First fall frostOct 251 year in 10 by Oct 8
Growing season188 daysbetween median 32°F dates
Hardiness zoneZone 7a0 to 5°F average extreme low

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Will it freeze in New Freedom in the next 7 nights?

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

Tonight: forecast low 59°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 New Freedom

The median first fall hard-freeze date (28°F) is November 4, from NOAA’s 1991–2020 Climate Normals at Millers 4 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 17 · May 2 · May 18 Oct 1 · Oct 13 · Oct 27 162 days
32°F freeze Apr 4 · Apr 19 · May 8 Oct 8 · Oct 25 · Nov 7 188 days
28°F hard freeze Mar 22 · Apr 5 · Apr 21 Oct 20 · Nov 4 · Nov 20 213 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00185934. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Millers 4 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 New Freedom, PA come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Millers 4 NE (station USC00185934, elevation 860 ft), 5.7 mi from New Freedom. 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 New Freedom

CityDistanceLast spring frostFirst fall frost
Manchester, MD 12 mi Apr 19 Oct 25
Hampstead, MD 12 mi Apr 19 Oct 25
Red Lion, PA 12 mi Apr 26 Oct 19
West York, PA 16 mi Apr 26 Oct 19
York, PA 16 mi Apr 26 Oct 19
Hanover, PA 16 mi Apr 24 Oct 20
Westminster, MD 20 mi Apr 24 Oct 20
Bel Air, MD 23 mi Apr 10 Oct 30
Columbia, PA 23 mi Apr 30 Oct 10
Taneytown, MD 25 mi Apr 22 Oct 20

Frequently asked questions

When is the last frost in New Freedom?

On average, the last spring frost (32°F) in New Freedom is around April 19. In about 1 year in 10 it comes after May 8, and in 9 years in 10 it comes after April 4.

When is the first frost in New Freedom?

The first fall frost (32°F) usually arrives around October 25. There’s a 10% chance of a freeze by October 8 and a 90% chance by November 7.

Can it frost in New Freedom 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 2.

What growing zone is New Freedom?

New Freedom 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 17355. See growing zones in Pennsylvania.

More: all Pennsylvania frost dates · Pennsylvania growing zones · frost vs. freeze