Delphi, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Delphi, a city in Carroll County, Indiana.
This Afternoon
68°F
Slight Chance Light Rain
A slight chance of rain before 3pm. Mostly cloudy. High near 68, with temperatures falling to around 61 in the afternoon. Southwest wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Delphi
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Slight Chance Light Rain | 15 mph SW | 22% |
| Tonight | 47°F | Cloudy | 7 to 12 mph SW | 6% |
| Thursday | 59°F | Mostly Cloudy | 9 to 16 mph SW | 5% |
| Thursday Night | 42°F | Chance Light Rain | 3 to 8 mph WNW | 44% |
| Friday | 52°F | Slight Chance Light Rain | 7 to 13 mph NNW | 19% |
| Friday Night | 34°F | Partly Cloudy | 3 to 10 mph NW | 10% |
| Saturday | 53°F | Mostly Sunny | 3 to 7 mph NW | 1% |
| Saturday Night | 30°F | Mostly Clear | 1 to 5 mph WNW | 0% |
| Sunday | 58°F | Sunny | 2 to 10 mph W | 1% |
| Sunday Night | 32°F | Mostly Clear | 1 to 6 mph W | 1% |
| Monday | 62°F | Sunny | 1 to 7 mph WSW | 0% |
| Monday Night | 37°F | Clear | 6 mph SW | 0% |
| Tuesday | 63°F | Sunny | 6 mph W | 0% |
| Tuesday Night | 36°F | Mostly Clear | 0 to 3 mph NW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Delphi (40.583, -86.667). Updated through the day.
Growing snapshot for Delphi
Last spring frost
Apr 22
First fall frost
Oct 17
Growing season
179 days
Hardiness zone
6a
More local growing data for Delphi: nearby ZIP 46923 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Delphi 2 N, In (1.4 mi from Delphi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.