Harper, TX Weather & Growing Conditions
Overnight
71°F
Mostly Cloudy
Mostly cloudy, with a low around 71. South wind around 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 71°F | Mostly Cloudy | 10 mph S | 1% |
| Saturday | 92°F | Mostly Sunny | 5 to 10 mph S | 2% |
| Saturday Night | 70°F | Partly Cloudy | 10 mph S | 4% |
| Sunday | 93°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 17% |
| Sunday Night | 69°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 10 mph SSE | 29% |
| Monday | 92°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph ESE | 18% |
| Monday Night | 69°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 to 10 mph SE | 18% |
| Tuesday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 10 mph SE | 29% |
| Tuesday Night | 67°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 to 10 mph ESE | 29% |
| Wednesday | 90°F | Mostly Sunny | 5 to 10 mph ESE | 11% |
| Wednesday Night | 68°F | Partly Cloudy | 5 to 10 mph ESE | 9% |
| Thursday | 89°F | Mostly Sunny | 5 to 10 mph ESE | 4% |
| Thursday Night | 67°F | Partly Cloudy | 5 to 10 mph SE | 4% |
| Friday | 89°F | Mostly Sunny | 5 to 10 mph SE | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Harper, TX
Last spring frost
Mar 15
First fall frost
Nov 15
Growing season
243 days
Hardiness zone
8a
Explore more for Harper, TX: full frost dates · planting calendar · Texas frost dates
Climate data from the nearest NOAA station, Harper 3Ene, Tx (6.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.