Frost dates 2026–2027

Frost dates for Sandusky, Ohio

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Sandusky, 0.4 mi away (close match).

Last spring frostApr 10
First fall frostNov 5
209 frost-free days
Last spring frostApr 101 year in 10 after Apr 23
First fall frostNov 51 year in 10 by Oct 23
Growing season209 daysbetween median 32°F dates
Hardiness zoneZone 6b−5 to 0°F average extreme low

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Will it freeze in Sandusky in the next 7 nights?

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

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.

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 Sandusky

The median first fall hard-freeze date (28°F) is November 16, from NOAA’s 1991–2020 Climate Normals at Sandusky. 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 21 · May 5 Oct 12 · Oct 26 · Nov 9 186 days
32°F freeze Mar 31 · Apr 10 · Apr 23 Oct 23 · Nov 5 · Nov 20 209 days
28°F hard freeze Mar 16 · Apr 1 · Apr 14 Nov 3 · Nov 16 · Dec 2 230 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USW00014846. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Sandusky

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 Sandusky, OH come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Sandusky (station USW00014846, elevation 584 ft), 0.4 mi from Sandusky. 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 Sandusky

CityDistanceLast spring frostFirst fall frost
Huron, OH 8.7 mi Apr 10 Nov 5
Port Clinton, OH 12 mi Apr 10 Nov 5
Bellevue, OH 14 mi Apr 25 Oct 25
Norwalk, OH 16 mi Apr 25 Oct 25
Clyde, OH 17 mi Apr 26 Oct 23
Vermilion, OH 21 mi Apr 24 Oct 24
Fremont, OH 22 mi Apr 26 Oct 23
Amherst, OH 25 mi Apr 24 Oct 24
Lorain, OH 28 mi Apr 24 Oct 24
Willard, OH 28 mi Apr 25 Oct 25

Frequently asked questions

When is the last frost in Sandusky?

On average, the last spring frost (32°F) in Sandusky is around April 10. In about 1 year in 10 it comes after April 23, and in 9 years in 10 it comes after March 31.

When is the first frost in Sandusky?

The first fall frost (32°F) usually arrives around November 5. There’s a 10% chance of a freeze by October 23 and a 90% chance by November 20.

Can it frost in Sandusky 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 21.

What growing zone is Sandusky?

Sandusky 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 44870. See growing zones in Ohio.

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