Frost dates 2026–2027

Frost dates for Clarksburg, West Virginia

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Clarksburg 1, 0.6 mi away (close match).

Last spring frostApr 22
First fall frostOct 23
181 frost-free days
Last spring frostApr 221 year in 10 after May 11
First fall frostOct 231 year in 10 by Oct 9
Growing season181 daysbetween median 32°F dates
Hardiness zoneZone 6b−5 to 0°F average extreme low

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Will it freeze in Clarksburg in the next 7 nights?

The earliest overnight low at or below 32°F in the available NWS frost forecast is Sun, Nov 8: 31°F (Sun, Nov 8, 6:00 PM EST to Mon, Nov 9, 6:00 AM EST).

Tonight: forecast low 45°F. Above 36°F.

NWS forecast period: Thu, Nov 5, 6:00 PM EST to Fri, Nov 6, 6:00 AM EST.

6 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 Clarksburg

The median first fall hard-freeze date (28°F) is November 1, from NOAA’s 1991–2020 Climate Normals at Clarksburg 1. 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 21 · May 4 · May 21 Oct 1 · Oct 12 · Oct 24 161 days
32°F freeze Apr 10 · Apr 22 · May 11 Oct 9 · Oct 23 · Nov 3 181 days
28°F hard freeze Mar 28 · Apr 10 · Apr 24 Oct 19 · Nov 1 · Nov 14 205 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00461677. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Clarksburg 1

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 Clarksburg, WV come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Clarksburg 1 (station USC00461677, elevation 990 ft), 0.6 mi from Clarksburg. 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 Clarksburg

CityDistanceLast spring frostFirst fall frost
Bridgeport, WV 6.8 mi Apr 18 Oct 24
Fairmont, WV 18 mi Apr 18 Oct 28
Buckhannon, WV 21 mi Apr 29 Oct 20
Morgantown, WV 34 mi Apr 23 Oct 24
Elkins, WV 36 mi May 5 Oct 12
New Martinsville, WV 37 mi Apr 26 Oct 26
Moundsville, WV 49 mi Apr 26 Oct 21
Uniontown, PA 55 mi Apr 30 Oct 18
Wheeling, WV 58 mi Apr 20 Oct 29
Marietta, OH 59 mi Apr 18 Oct 27

Frequently asked questions

When is the last frost in Clarksburg?

On average, the last spring frost (32°F) in Clarksburg is around April 22. In about 1 year in 10 it comes after May 11, and in 9 years in 10 it comes after April 10.

When is the first frost in Clarksburg?

The first fall frost (32°F) usually arrives around October 23. There’s a 10% chance of a freeze by October 9 and a 90% chance by November 3.

Can it frost in Clarksburg 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 4.

What growing zone is Clarksburg?

Clarksburg is in USDA Plant Hardiness Zone 6b (average annual extreme minimum temperature −5 to 0°F), based on the 2023 USDA map for ZIP code 26301. See growing zones in West Virginia.

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