Delphos, KS Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Delphos, a city in Ottawa County, Kansas.
Tonight
41°F
Mostly Cloudy
Mostly cloudy, with a low around 41. Northwest wind around 10 mph.
7-day forecast for Delphos
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 41°F | Mostly Cloudy | 10 mph NW | 0% |
| Wednesday | 56°F | Sunny | 5 to 15 mph NW | 0% |
| Wednesday Night | 38°F | Mostly Clear | 5 mph W | 0% |
| Thursday | 56°F | Mostly Sunny | 5 to 10 mph NW | 10% |
| Thursday Night | 36°F | Mostly Clear | 5 mph N | 0% |
| Friday | 56°F | Mostly Sunny | 0 to 5 mph N | 0% |
| Friday Night | 37°F | Partly Cloudy | 0 mph | 1% |
| Saturday | 63°F | Mostly Sunny | 0 to 5 mph W | 3% |
| Saturday Night | 39°F | Mostly Clear | 0 to 5 mph W | 4% |
| Sunday | 67°F | Sunny | 5 mph W | 0% |
| Sunday Night | 42°F | Clear | 5 mph S | 0% |
| Monday | 69°F | Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 44°F | Mostly Clear | 5 mph NW | 0% |
| Tuesday | 67°F | Mostly Sunny | 5 mph NE | 1% |
Forecast source: National Weather Service (api.weather.gov) for Delphos (39.275, -97.765). Updated through the day.
Growing snapshot for Delphos
Last spring frost
Apr 20
First fall frost
Oct 19
Growing season
181 days
Hardiness zone
6b
More local growing data for Delphos: nearby ZIP 67436 weather · frost dates · planting calendar · Kansas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Minneapolis, Ks (10.9 mi from Delphos). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.