Plainfield, IN Weather & Growing Conditions
This Afternoon
87°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 2pm, then a chance of showers and thunderstorms between 2pm and 3pm, then showers and thunderstorms likely between 3pm and 4pm, then a chance of showers and thunderstorms. Mostly sunny. High near 87, with temperatures falling to around 85 in the afternoon. West southwest wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 87°F | Chance Showers And Thunderstorms | 7 mph WSW | 61% |
| Tonight | 69°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 6 mph S | 19% |
| Sunday | 85°F | Partly Sunny then Chance Showers And Thunderstorms | 5 to 8 mph WNW | 38% |
| Sunday Night | 60°F | Chance Showers And Thunderstorms | 12 mph NE | 54% |
| Monday | 70°F | Showers And Thunderstorms Likely | 14 mph ENE | 65% |
| Monday Night | 55°F | Chance Showers And Thunderstorms | 10 to 14 mph NE | 63% |
| Tuesday | 69°F | Chance Showers And Thunderstorms | 13 mph NE | 41% |
| Tuesday Night | 55°F | Chance Showers And Thunderstorms | 7 to 13 mph NNE | 34% |
| Wednesday | 69°F | Mostly Cloudy | 9 mph NNE | 14% |
| Wednesday Night | 55°F | Mostly Cloudy | 6 to 9 mph N | 9% |
| Thursday | 71°F | Partly Sunny | 6 to 9 mph N | 4% |
| Thursday Night | 55°F | Mostly Cloudy | 6 to 9 mph NNE | 4% |
| Friday | 73°F | Mostly Sunny | 6 to 9 mph NNE | 2% |
| Friday Night | 54°F | Partly Cloudy | 5 to 9 mph NE | 2% |
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
6b
Explore more for Plainfield, IN: full frost dates · planting calendar · Indiana frost dates
Climate data from the nearest NOAA station, Indianapolis Nwfo, In (2.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.