Frost dates 2026–2027

Frost dates for Poquoson, Virginia

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Langley AFB, 4.0 mi away (close match).

Last spring frostMar 24
First fall frostNov 15
238 frost-free days
Last spring frostMar 241 year in 10 after Apr 6
First fall frostNov 151 year in 10 by Nov 3
Growing season238 daysbetween median 32°F dates
Hardiness zoneZone 8b15 to 20°F average extreme low

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Will it freeze in Poquoson in the next 7 nights?

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

Tonight: forecast low 66°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 Poquoson

The median first fall hard-freeze date (28°F) is November 28, from NOAA’s 1991–2020 Climate Normals at Langley AFB. 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 Mar 22 · Apr 4 · Apr 18 Oct 25 · Nov 5 · Nov 18 216 days
32°F freeze Mar 9 · Mar 24 · Apr 6 Nov 3 · Nov 15 · Dec 2 238 days
28°F hard freeze Feb 22 · Mar 10 · Mar 28 Nov 10 · Nov 28 · Dec 20 266 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USW00013702. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Langley AFB

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 Poquoson, VA come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Langley AFB (station USW00013702, elevation 10 ft), 4.0 mi from Poquoson. 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 Poquoson

CityDistanceLast spring frostFirst fall frost
Hampton, VA 5.6 mi Mar 24 Nov 15
Newport News, VA 12 mi Apr 1 Nov 9
Norfolk, VA 14 mi Mar 16 Nov 26
Portsmouth, VA 19 mi Mar 23 Nov 16
Smithfield, VA 21 mi Apr 1 Nov 9
Williamsburg, VA 24 mi Mar 31 Nov 10
Virginia Beach, VA 29 mi Mar 29 Nov 12
Chesapeake, VA 31 mi Mar 23 Nov 18
Suffolk, VA 35 mi Mar 27 Nov 15
Franklin, VA 47 mi Apr 7 Nov 2

Frequently asked questions

When is the last frost in Poquoson?

On average, the last spring frost (32°F) in Poquoson is around March 24. In about 1 year in 10 it comes after April 6, and in 9 years in 10 it comes after March 9.

When is the first frost in Poquoson?

The first fall frost (32°F) usually arrives around November 15. There’s a 10% chance of a freeze by November 3 and a 90% chance by December 2.

Can it frost in Poquoson 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 4.

What growing zone is Poquoson?

Poquoson is in USDA Plant Hardiness Zone 8b (average annual extreme minimum temperature 15 to 20°F), based on the 2023 USDA map for ZIP code 23662. See growing zones in Virginia.

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