Frost dates 2026–2027

Frost dates for Hewitt, Texas

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Waco Dam, 10 mi away (close match).

Last spring frostMar 9
First fall frostNov 20
256 frost-free days
Last spring frostMar 91 year in 10 after Apr 4
First fall frostNov 201 year in 10 by Nov 2
Growing season256 daysbetween median 32°F dates
Hardiness zoneZone 8b15 to 20°F average extreme low

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Will it freeze in Hewitt in the next 7 nights?

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

Tonight: forecast low 54°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 Hewitt

The median first fall hard-freeze date (28°F) is December 3, from NOAA’s 1991–2020 Climate Normals at Waco Dam. 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 2 · Mar 24 · Apr 13 Oct 26 · Nov 10 · Nov 27 231 days
32°F freeze Feb 17 · Mar 9 · Apr 4 Nov 2 · Nov 20 · Dec 9 256 days
28°F hard freeze Jan 27 · Feb 25 · Mar 21 Nov 12 · Dec 3 · Jan 1 282 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00419417. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Waco Dam

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 Hewitt, TX come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Waco Dam (station USC00419417, elevation 495 ft), 10 mi from Hewitt. 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 Hewitt

CityDistanceLast spring frostFirst fall frost
Woodway, TX 3.7 mi Mar 9 Nov 20
Robinson, TX 4.3 mi Mar 9 Nov 20
Waco, TX 7.5 mi Mar 9 Nov 20
Bellmead, TX 12 mi Mar 9 Nov 20
Lacy-Lakeview, TX 14 mi Mar 9 Nov 20
McGregor, TX 14 mi Mar 15 Nov 18
Marlin, TX 21 mi Mar 21 Nov 9
Temple, TX 27 mi Mar 14 Nov 20
Belton, TX 32 mi Mar 14 Nov 20
Gatesville, TX 32 mi Mar 19 Nov 9

Frequently asked questions

When is the last frost in Hewitt?

On average, the last spring frost (32°F) in Hewitt is around March 9. In about 1 year in 10 it comes after April 4, and in 9 years in 10 it comes after February 17.

When is the first frost in Hewitt?

The first fall frost (32°F) usually arrives around November 20. There’s a 10% chance of a freeze by November 2 and a 90% chance by December 9.

Can it frost in Hewitt 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 March 24.

What growing zone is Hewitt?

Hewitt 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 76643. See growing zones in Texas.

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