Plainville, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Plainville, a town in Daviess County, Indiana.
This Afternoon
92°F
Mostly Sunny
Mostly sunny. High near 92, with temperatures falling to around 90 in the afternoon. Heat index values as high as 102. North wind around 5 mph.
7-day forecast for Plainville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 92°F | Mostly Sunny | 5 mph N | 12% |
| Tonight | 70°F | Scattered Showers And Thunderstorms then Partly Cloudy | 2 to 6 mph E | 41% |
| Saturday | 94°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph S | 27% |
| Saturday Night | 72°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 mph S | 16% |
| Sunday | 93°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 mph WSW | 15% |
| Sunday Night | 66°F | Chance Showers And Thunderstorms | 5 mph NNE | 38% |
| Monday | 82°F | Chance Rain Showers | 5 to 8 mph NE | 47% |
| Monday Night | 60°F | Chance Showers And Thunderstorms | 5 to 9 mph NE | 47% |
| Tuesday | 75°F | Chance Showers And Thunderstorms | 6 to 10 mph NNE | 44% |
| Tuesday Night | 57°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 3 to 10 mph NNE | 24% |
| Wednesday | 74°F | Partly Sunny | 3 to 8 mph NNE | 6% |
| Wednesday Night | 56°F | Mostly Cloudy | 2 to 8 mph N | 5% |
| Thursday | 75°F | Mostly Sunny | 2 to 7 mph N | 4% |
| Thursday Night | 57°F | Partly Cloudy | 2 to 7 mph NNE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Plainville (38.805, -87.151). Updated through the day.
Growing snapshot for Plainville
Last spring frost
Apr 9
First fall frost
Oct 25
Growing season
197 days
Hardiness zone
6b
More local growing data for Plainville: nearby ZIP 47568 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Elnora, In (7.3 mi from Plainville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.