Harper, KS Weather & Growing Conditions
This Afternoon
60°F
Mostly Cloudy
Mostly cloudy, with a high near 60. North northwest wind 17 to 21 mph, with gusts as high as 32 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 60°F | Mostly Cloudy | 17 to 21 mph NNW | 2% |
| Tonight | 44°F | Mostly Clear | 5 to 14 mph NW | 6% |
| Wednesday | 64°F | Sunny | 3 to 7 mph WNW | 0% |
| Wednesday Night | 46°F | Partly Cloudy then Chance Rain Showers | 0 to 5 mph S | 52% |
| Thursday | 58°F | Rain Showers Likely | 6 to 10 mph N | 74% |
| Thursday Night | 40°F | Mostly Clear | 5 mph NNW | 1% |
| Friday | 59°F | Sunny | 5 mph N | 0% |
| Friday Night | 40°F | Partly Cloudy | 2 mph NNE | 2% |
| Saturday | 63°F | Mostly Sunny | 1 to 5 mph WSW | 3% |
| Saturday Night | 42°F | Clear | 3 mph WSW | 3% |
| Sunday | 66°F | Sunny | 5 mph WSW | 1% |
| Sunday Night | 43°F | Clear | 5 mph SSW | 1% |
| Monday | 69°F | Sunny | 5 to 10 mph SSW | 1% |
| Monday Night | 46°F | Mostly Clear | 7 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Harper, KS
Last spring frost
Apr 9
First fall frost
Oct 30
Growing season
205 days
Hardiness zone
7a
Explore more for Harper, KS: full frost dates · planting calendar · Kansas frost dates
Climate data from the nearest NOAA station, Anthony, Ks (11.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.