Frost dates 2026–2027

Frost dates for Blanchard, Oklahoma

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Blanchard 2 Ssw, 2.4 mi away (close match).

Last spring frostApr 3
First fall frostNov 4
214 frost-free days
Last spring frostApr 31 year in 10 after Apr 19
First fall frostNov 41 year in 10 by Oct 21
Growing season214 daysbetween median 32°F dates
Hardiness zoneZone 7b5 to 10°F average extreme low

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Will it freeze in Blanchard in the next 7 nights?

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

Tonight: forecast low 43°F. Above 36°F.

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

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 Blanchard

The median first fall hard-freeze date (28°F) is November 13, from NOAA’s 1991–2020 Climate Normals at Blanchard 2 Ssw. 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 29 · Apr 14 · Apr 30 Oct 11 · Oct 26 · Nov 8 194 days
32°F freeze Mar 15 · Apr 3 · Apr 19 Oct 21 · Nov 4 · Nov 18 214 days
28°F hard freeze Mar 1 · Mar 22 · Apr 9 Oct 29 · Nov 13 · Nov 29 237 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00340830. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Blanchard 2 Ssw

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 Blanchard, OK come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Blanchard 2 Ssw (station USC00340830, elevation 1,275 ft), 2.4 mi from Blanchard. 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 Blanchard

CityDistanceLast spring frostFirst fall frost
Newcastle, OK 7.5 mi Mar 31 Nov 5
Tuttle, OK 12 mi Apr 4 Nov 2
Moore, OK 16 mi Mar 31 Nov 5
Noble, OK 17 mi Apr 3 Nov 3
Mustang, OK 17 mi Apr 4 Nov 2
Chickasha, OK 18 mi Apr 4 Nov 1
Purcell, OK 19 mi Apr 4 Nov 2
Norman, OK 19 mi Apr 3 Nov 3
Oklahoma City, OK 24 mi Apr 4 Nov 2
Del City, OK 24 mi Apr 2 Nov 5

Frequently asked questions

When is the last frost in Blanchard?

On average, the last spring frost (32°F) in Blanchard is around April 3. In about 1 year in 10 it comes after April 19, and in 9 years in 10 it comes after March 15.

When is the first frost in Blanchard?

The first fall frost (32°F) usually arrives around November 4. There’s a 10% chance of a freeze by October 21 and a 90% chance by November 18.

Can it frost in Blanchard 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 14.

What growing zone is Blanchard?

Blanchard is in USDA Plant Hardiness Zone 7b (average annual extreme minimum temperature 5 to 10°F), based on the 2023 USDA map for ZIP code 73010. See growing zones in Oklahoma.

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