Harper, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Harper, a community in Kimble County, Texas.
This Afternoon
91°F
Partly Sunny
Partly sunny, with a high near 91. South southeast wind around 10 mph.
7-day forecast for Harper
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 91°F | Partly Sunny | 10 mph SSE | 4% |
| Tonight | 70°F | Mostly Cloudy | 5 to 10 mph S | 4% |
| Sunday | 93°F | Partly Sunny | 5 to 10 mph S | 8% |
| Sunday Night | 70°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph SSE | 22% |
| Monday | 93°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 to 10 mph SSE | 22% |
| Monday Night | 69°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 10 mph SE | 18% |
| Tuesday | 91°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph SE | 20% |
| Tuesday Night | 69°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 10 mph ESE | 20% |
| Wednesday | 91°F | Mostly Sunny | 0 to 10 mph ESE | 9% |
| Wednesday Night | 69°F | Partly Cloudy | 0 to 10 mph ESE | 6% |
| Thursday | 91°F | Mostly Sunny | 0 to 15 mph ESE | 3% |
| Thursday Night | 69°F | Partly Cloudy | 5 to 10 mph SE | 3% |
| Friday | 91°F | Mostly Sunny | 0 to 10 mph SE | 2% |
| Friday Night | 68°F | Partly Cloudy | 5 to 10 mph SE | 2% |
Forecast source: National Weather Service (api.weather.gov) for Harper (30.266, -99.273). Updated through the day.
Growing snapshot for Harper
Last spring frost
Mar 15
First fall frost
Nov 15
Growing season
243 days
Hardiness zone
8a
More local growing data for Harper: nearby ZIP 78631 weather · frost dates · planting calendar · Texas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Harper 3Ene, Tx (6.5 mi from Harper). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.