Plainfield, IN Weather & Growing Conditions
Tonight
66°F
Mostly Cloudy
Mostly cloudy, with a low around 66. East wind around 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 66°F | Mostly Cloudy | 8 mph E | 8% |
| Saturday | 88°F | Scattered Rain Showers then Slight Chance Showers And Thunderstorms | 8 mph SSE | 49% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms | 5 to 8 mph SSE | 49% |
| Sunday | 86°F | Chance Showers And Thunderstorms | 3 to 7 mph WSW | 33% |
| Sunday Night | 62°F | Showers And Thunderstorms Likely | 10 mph NE | 60% |
| Monday | 73°F | Showers And Thunderstorms Likely | 12 mph NE | 60% |
| Monday Night | 57°F | Chance Showers And Thunderstorms | 13 mph NE | 47% |
| Tuesday | 70°F | Chance Showers And Thunderstorms | 12 mph NE | 39% |
| Tuesday Night | 56°F | Chance Showers And Thunderstorms then Mostly Cloudy | 6 to 12 mph NNE | 30% |
| Wednesday | 70°F | Mostly Cloudy | 6 to 9 mph NNE | 6% |
| Wednesday Night | 56°F | Mostly Cloudy | 5 to 9 mph N | 5% |
| Thursday | 72°F | Partly Sunny | 5 to 8 mph N | 5% |
| Thursday Night | 57°F | Mostly Cloudy | 5 to 8 mph NNE | 5% |
| Friday | 73°F | Partly Sunny | 5 to 9 mph NNE | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Plainfield, IN
Last spring frost
Apr 12
First fall frost
Oct 27
Growing season
196 days
Hardiness zone
6a
Explore more for Plainfield, IN: full frost dates · planting calendar · Indiana frost dates
Climate data from the nearest NOAA station, Indianapolis Nwfo, In (6.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.