McCordsville, IN Weather & Growing Conditions
Overnight
63°F
Rain Showers
Rain showers. Cloudy, with a low around 63. South wind around 20 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 63°F | Rain Showers | 20 mph S | 94% |
| Wednesday | 68°F | Rain Showers | 12 to 20 mph SSW | 85% |
| Wednesday Night | 47°F | Mostly Cloudy | 7 to 10 mph WSW | 7% |
| Thursday | 61°F | Partly Sunny | 9 to 15 mph SW | 5% |
| Thursday Night | 44°F | Mostly Cloudy | 2 to 8 mph W | 4% |
| Friday | 55°F | Isolated Rain Showers | 2 to 12 mph NW | 16% |
| Friday Night | 36°F | Mostly Cloudy | 6 to 12 mph NW | 10% |
| Saturday | 53°F | Mostly Sunny | 7 mph NW | 5% |
| Saturday Night | 33°F | Partly Cloudy | 0 to 3 mph W | 3% |
| Sunday | 58°F | Mostly Sunny | 2 to 9 mph WSW | 8% |
| Sunday Night | 33°F | Mostly Clear | 3 to 7 mph WNW | 11% |
| Monday | 60°F | Sunny | 3 to 10 mph W | 9% |
| Monday Night | 37°F | Mostly Clear | 8 mph SW | 6% |
| Tuesday | 64°F | Sunny | 5 to 9 mph W | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for McCordsville, IN
Last spring frost
Apr 18
First fall frost
Oct 26
Growing season
190 days
Hardiness zone
6a
Explore more for McCordsville, IN: full frost dates · planting calendar · Indiana frost dates
Climate data from the nearest NOAA station, Castleton 2 S, In (7.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.