Delphos, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Delphos, a city in Allen County, Ohio.
Today
83°F
Sunny
Sunny, with a high near 83. Southeast wind around 0 mph.
7-day forecast for Delphos
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Sunny | 0 mph | 0% |
| Tonight | 60°F | Mostly Clear | 0 mph | 0% |
| Wednesday | 86°F | Sunny | 0 to 5 mph SW | 0% |
| Wednesday Night | 65°F | Partly Cloudy | 0 to 5 mph SW | 5% |
| Thursday | 84°F | Partly Sunny then Showers And Thunderstorms Likely | 5 to 10 mph SW | 56% |
| Thursday Night | 66°F | Showers And Thunderstorms Likely | 0 to 5 mph SW | 67% |
| Friday | 83°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 5 mph SW | 67% |
| Friday Night | 65°F | Chance Showers And Thunderstorms | 5 mph SW | 43% |
| Saturday | 85°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 16% |
| Saturday Night | 66°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 16% |
| Sunday | 87°F | Slight Chance Rain Showers then Mostly Sunny | 5 to 15 mph SW | 15% |
| Sunday Night | 69°F | Chance Showers And Thunderstorms | 10 to 15 mph SW | 33% |
| Monday | 87°F | Chance Rain Showers | 10 to 15 mph SW | 33% |
| Monday Night | 68°F | Chance Showers And Thunderstorms | 10 to 15 mph SW | 46% |
Forecast source: National Weather Service (api.weather.gov) for Delphos (40.847, -84.336). Updated through the day.
Growing snapshot for Delphos
Last spring frost
Apr 21
First fall frost
Oct 26
Growing season
187 days
Hardiness zone
6a
More local growing data for Delphos: nearby ZIP 45833 weather · frost dates · planting calendar · Ohio frost dates
Nearby towns & communities
Beaverdam
Bluffton
Cairo
Cridersville
Elida
Fort Shawnee
Gomer
Harrod
Lafayette
Lima
Spencerville
Westminster
Climate data from the nearest NOAA station, Van Wert 1 S, Oh (12 mi from Delphos). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.