Delphos, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Delphos, a community in Ringgold County, Iowa.
Tonight
63°F
Showers And Thunderstorms
Showers and thunderstorms before 3am, then a chance of showers and thunderstorms between 3am and 5am. Mostly cloudy. Low around 63, with temperatures rising to around 65 overnight. North wind around 8 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Delphos
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 63°F | Showers And Thunderstorms | 8 mph N | 79% |
| Sunday | 67°F | Mostly Cloudy then Chance Showers And Thunderstorms | 7 to 10 mph NNE | 35% |
| Sunday Night | 57°F | Showers And Thunderstorms Likely | 7 to 10 mph NE | 63% |
| Monday | 60°F | Rain Showers Likely | 8 to 12 mph NE | 63% |
| Monday Night | 52°F | Rain Showers Likely then Mostly Cloudy | 7 to 12 mph NNE | 61% |
| Tuesday | 59°F | Mostly Cloudy | 9 mph NE | 7% |
| Tuesday Night | 46°F | Mostly Cloudy | 3 to 7 mph NE | 4% |
| Wednesday | 61°F | Mostly Sunny | 5 mph ENE | 0% |
| Wednesday Night | 51°F | Partly Cloudy | 3 mph E | 9% |
| Thursday | 66°F | Slight Chance Rain Showers | 5 mph SE | 21% |
| Thursday Night | 57°F | Slight Chance Rain Showers | 3 mph ESE | 23% |
| Friday | 69°F | Chance Rain Showers | 5 mph ESE | 25% |
| Friday Night | 59°F | Slight Chance Rain Showers | 3 mph E | 19% |
| Saturday | 69°F | Chance Rain Showers | 5 to 8 mph SE | 27% |
Forecast source: National Weather Service (api.weather.gov) for Delphos (40.663, -94.340). Updated through the day.
Growing snapshot for Delphos
Last spring frost
Apr 25
First fall frost
Oct 12
Growing season
169 days
Hardiness zone
5b
More local growing data for Delphos: nearby ZIP 50860 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Mt Ayr, Ia (8.2 mi from Delphos). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.