Frost dates for ZIP 76226 (Argyle, TX)
Average last spring and first fall frost dates with 10%, 50% and 90% odds, from NOAA's 1991–2020 climate normals for the nearest weather station, Denton Muni AP, TX (7 miles away).
- Average last spring frostMar 2450% chance of a 32°F freeze after this date
- Average first fall frostNov 750% chance of a 32°F freeze by this date
- Growing season (frost-free)227 daysmedian, 32°F threshold
- USDA hardiness zone8b15 to 20°F avg. coldest night
Last spring frost odds
| Chance of a 32°F freeze after this date | Date |
|---|---|
| 90% (early: most years still freeze after this) | Mar 3 |
| 50% (the "average" last frost) | Mar 24 |
| 10% (safe-side: only 1 year in 10 freezes later) | Apr 17 |
Most gardeners plant frost-tender crops (tomatoes, peppers, basil) after the 50% date, and closer to the 10% date for less risk.
First fall frost odds
| Chance the first 32°F freeze has happened by this date | Date |
|---|---|
| 10% (early: 1 year in 10 freezes this soon) | Oct 22 |
| 50% (the "average" first frost) | Nov 7 |
| 90% (late: most years have frozen by now) | Nov 26 |
Light frost, freeze and hard freeze
| Threshold | Last spring (50%) | First fall (50%) |
|---|---|---|
| 36°F (light frost possible on clear, calm nights) | Apr 8 | Oct 30 |
| 32°F (freeze) | Mar 24 | Nov 7 |
| 28°F (hard freeze) | Mar 9 | Nov 20 |
n/a means NOAA did not publish a date at that threshold for this station (usually because it rarely gets that cold).
This week in Argyle
Soil temperature now
2-inch depth
69°F 55°F or warmer
24-hour average · latest 70°F, as of Oct 17, 7:00 PM CDT
Estimate Not a measurement at this ZIP: distance-weighted average of Upper Trinity Groundwater Conservation District (33 mi), Berkley Ranch (34 mi), City of Alvarado (49 mi).
4-inch depth
70°F 55°F or warmer
24-hour average · latest 73°F, as of Oct 17, 7:00 PM CDT
Estimate Not a measurement at this ZIP: distance-weighted average of Mustang Special (20 mi), Upper Trinity Groundwater Conservation District (33 mi), Berkley Ranch (34 mi).
Fall: Texas A&M AgriLife times fall pre-emergent (for winter weeds such as annual bluegrass) to soil cooling to about 70°F for several days. The 50–55°F band is the spring trigger. Always read and follow the product label.
7-day forecast and frost risk
No frost in the 7-day forecast.
| Period | High | Low | Forecast |
|---|---|---|---|
| Tonight | 41° | Mostly Clear | |
| Sunday | 69° | 47° | Sunny |
| Monday | 76° | 53° | Sunny |
| Tuesday | 79° | 56° | Sunny |
| Wednesday | 84° | 59° | Sunny |
| Thursday | 85° | 62° | Sunny |
| Friday | 86° | 64° | Mostly Sunny |
National Weather Service forecast, issued Oct 17, 7:43 PM CDT. Frost can form above 32°F on clear, calm nights. Full NWS forecast.
Free frost alerts for 76226
An email when the National Weather Service forecasts a freeze for this ZIP, plus the spring soil-temperature heads-up. At most a few a month.
Alerts open soon. This form is a preview and doesn't send anything yet.
Where these numbers come from
Station: Denton Muni AP, TX (NOAA GHCN-Daily ID USW00003991), elevation 642 ft, 7.1 miles from the ZIP's center point. NOAA completeness flag: R (representative, 10+ years).
Nearby stations
| Station | Distance | Last frost (50%) | First frost (50%) |
|---|---|---|---|
| Denton 2 SE, TX | 8 mi | Mar 13 | Nov 20 |
| Ft Worth Alliance AP, TX | 12 mi | Mar 12 | Nov 17 |
| Grapevine Dam, TX | 13 mi | Mar 14 | Nov 17 |
The average last-frost dates of these stations span 12 days, a rough guide to local variation. See data sources & methods.
Questions
When is the last frost in 76226?
The average (50% chance) last spring freeze of 32°F for ZIP 76226 is March 24. For a safer planting date, use April 17, when only 1 year in 10 still sees a later freeze.
When is the first frost in 76226?
The average first fall freeze is November 7. In 1 year in 10 it comes by October 22.
What hardiness zone is 76226?
ZIP 76226 is in USDA zone 8b (15 to 20°F average coldest winter night), per the 2023 USDA Plant Hardiness Zone Map ZIP listing.
Other ZIP codes in Denton County
75007 75010 75022 75028 75033 75036 75056 75057 75065 75067 75068 75077 76201 76203 76205 76207 76208 76209 76210 76227 76247 76249 76258 76259 All Denton County ZIPs