Frost dates 2026–2027

Frost dates for Oakdale, Minnesota

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at St Paul, 4.3 mi away (close match).

Last spring frostApr 26
First fall frostOct 12
166 frost-free days
Last spring frostApr 261 year in 10 after May 11
First fall frostOct 121 year in 10 by Sep 27
Growing season166 daysbetween median 32°F dates
Hardiness zoneZone 5a−20 to −15°F average extreme low

Checking current alerts… View NWS forecast and alerts.

Will it freeze in Oakdale in the next 7 nights?

The earliest overnight low at or below 32°F in the available NWS frost forecast is Tonight: 32°F (Thu, Nov 5, 6:00 PM CST to Fri, Nov 6, 6:00 AM CST).

Tonight: forecast low 32°F. Freeze.

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

2 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 Oakdale

The median first fall hard-freeze date (28°F) is October 24, from NOAA’s 1991–2020 Climate Normals at St Paul. 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 23 · May 7 · May 21 Sep 20 · Oct 3 · Oct 16 149 days
32°F freeze Apr 12 · Apr 26 · May 11 Sep 27 · Oct 12 · Oct 25 166 days
28°F hard freeze Apr 2 · Apr 16 · Apr 30 Oct 7 · Oct 24 · Nov 6 189 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00217377. How to read these probabilities.

Average high temperature by month

1991–2020 normals at St Paul

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 Oakdale, MN come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: St Paul (station USC00217377, elevation 900 ft), 4.3 mi from Oakdale. 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 Oakdale

CityDistanceLast spring frostFirst fall frost
North St. Paul, MN 2.5 mi Apr 26 Oct 12
Lake Elmo, MN 2.5 mi Apr 30 Oct 11
Maplewood, MN 3.7 mi Apr 23 Oct 20
Mahtomedi, MN 5.0 mi Apr 30 Oct 11
White Bear Lake, MN 5.6 mi Apr 23 Oct 20
Woodbury, MN 6.2 mi Apr 26 Oct 12
Little Canada, MN 6.2 mi Apr 23 Oct 20
Vadnais Heights, MN 6.8 mi Apr 23 Oct 20
St. Paul, MN 7.5 mi Apr 24 Oct 16
South St. Paul, MN 8.1 mi Apr 24 Oct 16

Frequently asked questions

When is the last frost in Oakdale?

On average, the last spring frost (32°F) in Oakdale is around April 26. In about 1 year in 10 it comes after May 11, and in 9 years in 10 it comes after April 12.

When is the first frost in Oakdale?

The first fall frost (32°F) usually arrives around October 12. There’s a 10% chance of a freeze by September 27 and a 90% chance by October 25.

Can it frost in Oakdale 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 7.

What growing zone is Oakdale?

Oakdale is in USDA Plant Hardiness Zone 5a (average annual extreme minimum temperature −20 to −15°F), based on the 2023 USDA map for ZIP code 55128. See growing zones in Minnesota.

More: all Minnesota frost dates · Minnesota growing zones · UV index today in Oakdale · frost vs. freeze