Delphi, IN Weather & Growing Conditions
This Afternoon
68°F
Mostly Cloudy
Mostly cloudy. High near 68, with temperatures falling to around 61 in the afternoon. Southwest wind 13 to 16 mph, with gusts as high as 21 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Mostly Cloudy | 13 to 16 mph SW | 8% |
| Tonight | 48°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 | 5 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 | 11% |
| 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 | 2 to 6 mph W | 1% |
| Monday | 61°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). Updated through the day.
Growing snapshot for Delphi, IN
Last spring frost
Apr 22
First fall frost
Oct 17
Growing season
179 days
Hardiness zone
6a
Explore more for Delphi, IN: full frost dates · planting calendar · Indiana frost dates
Climate data from the nearest NOAA station, Delphi 2 N, In (1.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.