La Harpe, KS Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for La Harpe, a city in Allen County, Kansas.
Today
94°F
Sunny
Sunny, with a high near 94. South southeast wind around 8 mph.
7-day forecast for La Harpe
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 94°F | Sunny | 8 mph SSE | 8% |
| Tonight | 75°F | Partly Cloudy | 7 mph SSE | 7% |
| Wednesday | 92°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 9 mph SSW | 24% |
| Wednesday Night | 70°F | Chance Showers And Thunderstorms | 8 mph NE | 40% |
| Thursday | 89°F | Chance Showers And Thunderstorms | 5 mph E | 40% |
| Thursday Night | 70°F | Chance Showers And Thunderstorms | 6 mph SSE | 60% |
| Friday | 91°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 3 to 7 mph SSE | 60% |
| Friday Night | 72°F | Mostly Clear | 6 mph S | 11% |
| Saturday | 93°F | Sunny | 6 to 9 mph S | 11% |
| Saturday Night | 74°F | Clear | 7 to 10 mph S | 3% |
| Sunday | 94°F | Sunny | 14 mph SSW | 1% |
| Sunday Night | 75°F | Mostly Clear | 12 mph S | 0% |
| Monday | 95°F | Sunny | 14 mph SSW | 0% |
| Monday Night | 76°F | Mostly Clear | 12 mph S | 1% |
Forecast source: National Weather Service (api.weather.gov) for La Harpe (37.916, -95.303). Updated through the day.
Growing snapshot for La Harpe
Last spring frost
Apr 8
First fall frost
Oct 26
Growing season
200 days
Hardiness zone
6b
More local growing data for La Harpe: nearby ZIP 66751 weather · frost dates · planting calendar · Kansas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Iola 1 W, Ks (7.3 mi from La Harpe). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.