Graysville, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Graysville, a community in Sullivan County, Indiana.
Tonight
70°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 5am. Partly cloudy. Low around 70, with temperatures rising to around 72 overnight. East wind 5 to 8 mph. Chance of precipitation is 40%.
7-day forecast for Graysville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 70°F | Chance Showers And Thunderstorms | 5 to 8 mph E | 39% |
| Saturday | 93°F | Mostly Sunny then Chance Showers And Thunderstorms | 7 mph S | 28% |
| Saturday Night | 71°F | Mostly Cloudy | 6 mph S | 12% |
| Sunday | 92°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 8 mph W | 20% |
| Sunday Night | 65°F | Chance Showers And Thunderstorms | 9 mph NNE | 39% |
| Monday | 79°F | Showers And Thunderstorms Likely | 8 to 12 mph NE | 58% |
| Monday Night | 59°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 9 to 13 mph NNE | 58% |
| Tuesday | 73°F | Chance Showers And Thunderstorms | 12 mph NNE | 40% |
| Tuesday Night | 56°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 6 to 13 mph NNE | 15% |
| Wednesday | 73°F | Partly Sunny | 7 to 10 mph NNE | 5% |
| Wednesday Night | 55°F | Mostly Cloudy | 5 to 10 mph N | 5% |
| Thursday | 74°F | Mostly Sunny | 5 to 9 mph N | 3% |
| Thursday Night | 57°F | Partly Cloudy | 5 to 9 mph NNE | 3% |
| Friday | 75°F | Mostly Sunny | 5 to 9 mph NNE | 3% |
Forecast source: National Weather Service (api.weather.gov) for Graysville (39.118, -87.556). Updated through the day.
Growing snapshot for Graysville
Last spring frost
Apr 12
First fall frost
Oct 22
Growing season
193 days
Hardiness zone
6b
More local growing data for Graysville: nearby ZIP 47861 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Carlisle
Cass
Dugger
Fairbanks
Farmersburg
Hymera
Merom
New Lebanon
Paxton
Pleasantville
Shelburn
Sullivan
Climate data from the nearest NOAA station, Palestine, Il (5.4 mi from Graysville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.