Frost dates 2026–2027

Frost dates for Lindenhurst, Illinois

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Lake Villa 2NE, 1.9 mi away (close match).

Last spring frostApr 24
First fall frostOct 23
180 frost-free days
Last spring frostApr 241 year in 10 after May 9
First fall frostOct 231 year in 10 by Oct 8
Growing season180 daysbetween median 32°F dates
Hardiness zoneZone 5b−15 to −10°F average extreme low

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Will it freeze in Lindenhurst in the next 7 nights?

The earliest overnight low at or below 32°F in the available NWS frost forecast is Fri, Nov 6: 31°F (Fri, Nov 6, 6:00 PM CST to Sat, Nov 7, 6:00 AM CST).

Tonight: forecast low 36°F. Frost possible.

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

4 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 Lindenhurst

The median first fall hard-freeze date (28°F) is November 3, from NOAA’s 1991–2020 Climate Normals at Lake Villa 2NE. 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 22 · May 5 · May 21 Sep 28 · Oct 11 · Oct 25 157 days
32°F freeze Apr 11 · Apr 24 · May 9 Oct 8 · Oct 23 · Nov 4 180 days
28°F hard freeze Mar 31 · Apr 13 · Apr 28 Oct 20 · Nov 3 · Nov 16 202 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00114837. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Lake Villa 2NE

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 Lindenhurst, IL come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Lake Villa 2NE (station USC00114837, elevation 840 ft), 1.9 mi from Lindenhurst. 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 Lindenhurst

CityDistanceLast spring frostFirst fall frost
Lake Villa, IL 3.1 mi Apr 24 Oct 23
Round Lake Beach, IL 3.7 mi Apr 24 Oct 23
Antioch, IL 4.3 mi Apr 23 Oct 21
Grayslake, IL 5.6 mi Apr 29 Oct 20
Gurnee, IL 5.6 mi Apr 30 Oct 19
Round Lake Park, IL 6.2 mi Apr 29 Oct 20
Round Lake, IL 6.2 mi Apr 29 Oct 20
Beach Park, IL 8.1 mi Apr 30 Oct 21
Bristol, WI 8.1 mi Apr 30 Oct 15
Fox Lake, IL 8.1 mi Apr 23 Oct 21

Frequently asked questions

When is the last frost in Lindenhurst?

On average, the last spring frost (32°F) in Lindenhurst is around April 24. In about 1 year in 10 it comes after May 9, and in 9 years in 10 it comes after April 11.

When is the first frost in Lindenhurst?

The first fall frost (32°F) usually arrives around October 23. There’s a 10% chance of a freeze by October 8 and a 90% chance by November 4.

Can it frost in Lindenhurst 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 5.

What growing zone is Lindenhurst?

Lindenhurst is in USDA Plant Hardiness Zone 5b (average annual extreme minimum temperature −15 to −10°F), based on the 2023 USDA map for ZIP code 60046. See growing zones in Illinois.

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