Delphos, KS Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Delphos, a city in Ottawa County, Kansas.
This Afternoon
93°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 93. West wind 5 to 10 mph. Chance of precipitation is 20%.
7-day forecast for Delphos
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 93°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph W | 18% |
| Tonight | 66°F | Chance Showers And Thunderstorms | 10 mph N | 57% |
| Sunday | 73°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 10 to 15 mph N | 16% |
| Sunday Night | 62°F | Mostly Cloudy then Slight Chance Rain Showers | 5 to 10 mph N | 24% |
| Monday | 70°F | Partly Sunny | 5 to 10 mph N | 13% |
| Monday Night | 54°F | Partly Cloudy | 5 to 10 mph NE | 3% |
| Tuesday | 68°F | Partly Sunny | 5 to 10 mph E | 1% |
| Tuesday Night | 53°F | Partly Cloudy | 5 to 10 mph E | 2% |
| Wednesday | 71°F | Partly Sunny | 5 to 10 mph SE | 9% |
| Wednesday Night | 59°F | Mostly Cloudy then Chance Showers And Thunderstorms | 5 to 10 mph SE | 31% |
| Thursday | 72°F | Chance Showers And Thunderstorms | 5 to 10 mph SE | 42% |
| Thursday Night | 62°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SE | 30% |
| Friday | 74°F | Chance Showers And Thunderstorms | 5 to 10 mph SE | 30% |
| Friday Night | 63°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SE | 31% |
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 Sep 19, 2026.