Frost dates 2026–2027

Frost dates for Culpeper, Virginia

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Boston 4 SE, 7.5 mi away (close match).

Last spring frostApr 21
First fall frostOct 22
184 frost-free days
Last spring frostApr 211 year in 10 after May 10
First fall frostOct 221 year in 10 by Oct 8
Growing season184 daysbetween median 32°F dates
Hardiness zoneZone 7a0 to 5°F average extreme low

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Will it freeze in Culpeper in the next 7 nights?

The earliest overnight low at or below 32°F in the available NWS frost forecast is Sun, Nov 8: 32°F (Sun, Nov 8, 6:00 PM EST to Mon, Nov 9, 6:00 AM EST).

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.

5 of the next 7 nights are forecast at 36°F or colder, cold enough for frost on exposed plants.

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 Culpeper

The median first fall hard-freeze date (28°F) is November 1, from NOAA’s 1991–2020 Climate Normals at Boston 4 SE. 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 19 · May 3 · May 20 Oct 2 · Oct 13 · Oct 25 162 days
32°F freeze Apr 5 · Apr 21 · May 10 Oct 8 · Oct 22 · Nov 4 184 days
28°F hard freeze Mar 23 · Apr 5 · Apr 23 Oct 17 · Nov 1 · Nov 15 208 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00440860. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Boston 4 SE

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 Culpeper, VA come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Boston 4 SE (station USC00440860, elevation 590 ft), 7.5 mi from Culpeper. 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 Culpeper

CityDistanceLast spring frostFirst fall frost
Orange, VA 17 mi Apr 7 Oct 30
Warrenton, VA 21 mi Apr 9 Nov 1
Fredericksburg, VA 30 mi Apr 6 Nov 1
Front Royal, VA 33 mi Apr 13 Oct 28
Manassas, VA 34 mi Apr 12 Oct 27
Manassas Park, VA 37 mi Apr 12 Oct 27
Dumfries, VA 37 mi Mar 28 Nov 8
Woodstock, VA 39 mi Apr 24 Oct 20
Charlottesville, VA 40 mi Apr 2 Nov 10
Strasburg, VA 42 mi Apr 26 Oct 17

Frequently asked questions

When is the last frost in Culpeper?

On average, the last spring frost (32°F) in Culpeper is around April 21. In about 1 year in 10 it comes after May 10, and in 9 years in 10 it comes after April 5.

When is the first frost in Culpeper?

The first fall frost (32°F) usually arrives around October 22. There’s a 10% chance of a freeze by October 8 and a 90% chance by November 4.

Can it frost in Culpeper 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 3.

What growing zone is Culpeper?

Culpeper 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 22701. See growing zones in Virginia.

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