Frost dates for ZIP 77024 (Houston, 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, Houston Sugarland Mem, TX (13 miles away).
- Average last spring frostFeb 250% chance of a 32°F freeze after this date
- Average first fall frostDec 1150% chance of a 32°F freeze by this date
- Growing season (frost-free)318 daysmedian, 32°F threshold
- USDA hardiness zone9b25 to 30°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) | Dec 28 (prior Dec) |
| 50% (the "average" last frost) | Feb 2 |
| 10% (safe-side: only 1 year in 10 freezes later) | Mar 7 |
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 20 |
| 50% (the "average" first frost) | Dec 11 |
| 90% (late: most years have frozen by now) | Jan 16 (next year) |
Light frost, freeze and hard freeze
| Threshold | Last spring (50%) | First fall (50%) |
|---|---|---|
| 36°F (light frost possible on clear, calm nights) | Feb 26 | Nov 27 |
| 32°F (freeze) | Feb 2 | Dec 11 |
| 28°F (hard freeze) | Jan 18 | Jan 1 (next year) |
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 Houston
Soil temperature now
2-inch depth
70°F 55°F or warmer
24-hour average · latest 70°F, as of Oct 17, 8:00 PM CDT
Estimate Not a measurement at this ZIP: distance-weighted average of Prairie View #1 (36 mi), Wied Ranch (61 mi).
4-inch depth
72°F 55°F or warmer
24-hour average · latest 72°F, as of Oct 17, 8:00 PM CDT
Estimate Not a measurement at this ZIP: distance-weighted average of Prairie View #1 (36 mi), Wied Ranch (61 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 | 53° | Mostly Clear | |
| Sunday | 74° | 57° | Sunny |
| Monday | 80° | 61° | Mostly Sunny |
| Tuesday | 83° | 63° | Sunny |
| Wednesday | 87° | 62° | Sunny |
| Thursday | 89° | 64° | Sunny |
| Friday | 89° | 66° | 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 77024
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: Houston Sugarland Mem, TX (NOAA GHCN-Daily ID USW00012977), elevation 82 ft, 13.5 miles from the ZIP's center point. NOAA completeness flag: R (representative, 10+ years).
Nearby stations
| Station | Distance | Last frost (50%) | First frost (50%) |
|---|---|---|---|
| Sugar Land, TX | 14 mi | Feb 9 | Dec 13 |
| Houston-port, TX | 14 mi | Feb 2 | Dec 25 |
| Houston Hobby AP, TX | 16 mi | Jan 30 | Dec 28 |
The average last-frost dates of these stations span 10 days, a rough guide to local variation. See data sources & methods.
Questions
When is the last frost in 77024?
The average (50% chance) last spring freeze of 32°F for ZIP 77024 is February 2. For a safer planting date, use March 7, when only 1 year in 10 still sees a later freeze.
When is the first frost in 77024?
The average first fall freeze is December 11. In 1 year in 10 it comes by November 20.
What hardiness zone is 77024?
ZIP 77024 is in USDA zone 9b (25 to 30°F average coldest winter night), per the 2023 USDA Plant Hardiness Zone Map ZIP listing.
Other ZIP codes in Harris County
77002 77003 77004 77005 77006 77007 77008 77009 77010 77011 77012 77013 77014 77015 77016 77017 77018 77019 77020 77021 77022 77023 77025 77026 All Harris County ZIPs