Derby, KS Weather & Growing Conditions
Tonight
44°F
Partly Cloudy
Partly cloudy, with a low around 44. Northwest wind 7 to 12 mph, with gusts as high as 20 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 44°F | Partly Cloudy | 7 to 12 mph NW | 4% |
| Wednesday | 62°F | Sunny | 5 to 10 mph W | 0% |
| Wednesday Night | 43°F | Mostly Clear then Chance Rain Showers | 5 mph W | 32% |
| Thursday | 58°F | Rain Showers Likely | 5 to 9 mph N | 63% |
| Thursday Night | 40°F | Mostly Clear | 6 mph NNW | 1% |
| Friday | 59°F | Sunny | 7 mph N | 0% |
| Friday Night | 40°F | Partly Cloudy | 3 mph NNE | 0% |
| Saturday | 62°F | Mostly Sunny | 1 to 6 mph WSW | 3% |
| Saturday Night | 41°F | Mostly Clear | 3 mph WSW | 5% |
| Sunday | 66°F | Sunny | 2 to 6 mph WSW | 1% |
| Sunday Night | 43°F | Clear | 6 mph SSW | 0% |
| Monday | 69°F | Sunny | 6 to 12 mph SSW | 0% |
| Monday Night | 47°F | Mostly Clear | 8 mph S | 0% |
| Tuesday | 70°F | Mostly Sunny | 6 to 9 mph SSE | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Derby, KS
Last spring frost
Apr 14
First fall frost
Oct 22
Growing season
189 days
Hardiness zone
7a
Explore more for Derby, KS: full frost dates · planting calendar · Kansas frost dates
Climate data from the nearest NOAA station, Haysville 3Se, Ks (6.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.