Frost dates for ZIP 76209 (Denton, 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 2 SE, TX (2 miles away).
- Average last spring frostMar 1350% chance of a 32°F freeze after this date
- Average first fall frostNov 2050% chance of a 32°F freeze by this date
- Growing season (frost-free)251 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) | Feb 24 |
| 50% (the "average" last frost) | Mar 13 |
| 10% (safe-side: only 1 year in 10 freezes later) | Mar 31 |
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) | Nov 3 |
| 50% (the "average" first frost) | Nov 20 |
| 90% (late: most years have frozen by now) | Dec 8 |
Light frost, freeze and hard freeze
| Threshold | Last spring (50%) | First fall (50%) |
|---|---|---|
| 36°F (light frost possible on clear, calm nights) | Mar 28 | Nov 10 |
| 32°F (freeze) | Mar 13 | Nov 20 |
| 28°F (hard freeze) | Mar 1 | Dec 1 |
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 Denton
Soil temperature now
2-inch depth
68°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 Berkley Ranch (31 mi), Upper Trinity Groundwater Conservation District (39 mi), Prairie Hill Nocona (48 mi).
4-inch depth
70°F 55°F or warmer
24-hour average · latest 74°F, as of Oct 17, 7:00 PM CDT
Measured at TexMesonet (TWDB) station Mustang Special, 11 mi away. Daily averages: Thu 80°, Fri 73°.
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 | 40° | Mostly Clear | |
| Sunday | 69° | 49° | Sunny |
| Monday | 75° | 54° | Sunny |
| Tuesday | 79° | 57° | Sunny |
| Wednesday | 83° | 60° | Sunny |
| Thursday | 85° | 63° | Sunny |
| Friday | 86° | 65° | Mostly Sunny |
National Weather Service forecast, issued Oct 17, 8:28 PM CDT. Frost can form above 32°F on clear, calm nights. Full NWS forecast.
Free frost alerts for 76209
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 2 SE, TX (NOAA GHCN-Daily ID USC00412404), elevation 630 ft, 2.2 miles from the ZIP's center point. NOAA completeness flag: S (standard, 24+ years).
Nearby stations
| Station | Distance | Last frost (50%) | First frost (50%) |
|---|---|---|---|
| Denton Muni AP, TX | 5 mi | Mar 24 | Nov 7 |
| Pilot Point Isl Du Boi, TX | 11 mi | Mar 24 | Nov 16 |
| Grapevine Dam, TX | 20 mi | Mar 14 | Nov 17 |
The average last-frost dates of these stations span 11 days, a rough guide to local variation. See data sources & methods.
Questions
When is the last frost in 76209?
The average (50% chance) last spring freeze of 32°F for ZIP 76209 is March 13. For a safer planting date, use March 31, when only 1 year in 10 still sees a later freeze.
When is the first frost in 76209?
The average first fall freeze is November 20. In 1 year in 10 it comes by November 3.
What hardiness zone is 76209?
ZIP 76209 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 76210 76226 76227 76247 76249 76258 76259 All Denton County ZIPs