Delphos, KS Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Delphos, a city in Ottawa County, Kansas.
Today
88°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Partly sunny, with a high near 88. East wind 5 to 10 mph. Chance of precipitation is 20%.
7-day forecast for Delphos
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 88°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph E | 19% |
| Tonight | 65°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 26% |
| Wednesday | 78°F | Chance Showers And Thunderstorms | 10 mph NE | 35% |
| Wednesday Night | 63°F | Partly Cloudy | 5 to 10 mph NE | 9% |
| Thursday | 85°F | Mostly Sunny | 5 to 10 mph E | 9% |
| Thursday Night | 68°F | Chance Showers And Thunderstorms | 5 to 10 mph SE | 40% |
| Friday | 90°F | Chance Showers And Thunderstorms then Sunny | 5 to 10 mph S | 40% |
| Friday Night | 70°F | Clear | 5 to 10 mph S | 4% |
| Saturday | 94°F | Sunny | 5 to 15 mph S | 4% |
| Saturday Night | 75°F | Mostly Clear | 15 mph S | 1% |
| Sunday | 97°F | Sunny | 15 to 20 mph S | 1% |
| Sunday Night | 76°F | Mostly Clear | 15 to 20 mph S | 2% |
| Monday | 97°F | Sunny | 15 to 20 mph S | 2% |
| Monday Night | 76°F | Mostly Clear | 15 to 20 mph S | 4% |
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 Aug 4, 2026.