Harper, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Harper, a community in Kimble County, Texas.
Today
92°F
Sunny
Sunny, with a high near 92. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
7-day forecast for Harper
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 92°F | Sunny | 5 to 15 mph SSE | 1% |
| Tonight | 72°F | Mostly Clear | 5 to 15 mph SSE | 2% |
| Wednesday | 91°F | Sunny | 10 to 15 mph S | 1% |
| Wednesday Night | 72°F | Mostly Clear | 10 mph SSE | 0% |
| Thursday | 92°F | Sunny | 10 mph SSE | 1% |
| Thursday Night | 72°F | Mostly Clear | 10 mph SSE | 1% |
| Friday | 91°F | Mostly Sunny | 5 to 10 mph SSE | 4% |
| Friday Night | 71°F | Partly Cloudy | 5 to 10 mph SSE | 4% |
| Saturday | 90°F | Sunny | 5 to 10 mph SSE | 3% |
| Saturday Night | 71°F | Mostly Clear | 5 to 10 mph SSE | 3% |
| Sunday | 89°F | Sunny | 5 to 10 mph SSE | 2% |
| Sunday Night | 71°F | Mostly Clear | 10 mph SSE | 2% |
| Monday | 90°F | Sunny | 10 to 15 mph S | 3% |
| Monday Night | 71°F | Mostly Clear | 15 mph SSE | 3% |
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 Aug 4, 2026.