Knox City, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Knox City, a town in Knox County, Texas.
Today
102°F
Sunny
Sunny, with a high near 102. Heat index values as high as 99. South wind 9 to 13 mph, with gusts as high as 20 mph.
7-day forecast for Knox City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 102°F | Sunny | 9 to 13 mph S | 0% |
| Tonight | 78°F | Mostly Clear | 9 to 13 mph S | 0% |
| Wednesday | 101°F | Sunny | 9 to 13 mph SSW | 1% |
| Wednesday Night | 78°F | Mostly Clear | 13 mph S | 1% |
| Thursday | 101°F | Sunny | 9 to 13 mph SSW | 2% |
| Thursday Night | 77°F | Mostly Clear | 13 mph S | 2% |
| Friday | 100°F | Sunny | 8 to 12 mph SSW | 3% |
| Friday Night | 76°F | Mostly Clear | 9 to 13 mph SSE | 4% |
| Saturday | 100°F | Sunny | 7 to 10 mph SSW | 5% |
| Saturday Night | 76°F | Mostly Clear | 12 mph S | 5% |
| Sunday | 99°F | Sunny | 8 to 12 mph SSW | 2% |
| Sunday Night | 76°F | Mostly Clear | 14 mph SSE | 2% |
| Monday | 99°F | Sunny | 14 mph SSW | 1% |
| Monday Night | 77°F | Mostly Clear | 15 mph S | 1% |
Forecast source: National Weather Service (api.weather.gov) for Knox City (33.418, -99.816). Updated through the day.
Growing snapshot for Knox City
Last spring frost
Mar 26
First fall frost
Nov 11
Growing season
232 days
Hardiness zone
8a
More local growing data for Knox City: nearby ZIP 79529 weather · frost dates · planting calendar · Texas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Munday, Tx (12.4 mi from Knox City). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.