Lynn, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lynn, a town in Randolph County, Indiana.
This Afternoon
74°F
Mostly Cloudy
Mostly cloudy, with a high near 74. Northeast wind around 6 mph.
7-day forecast for Lynn
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Mostly Cloudy | 6 mph NE | 2% |
| Tonight | 59°F | Partly Cloudy | 7 mph E | 4% |
| Saturday | 80°F | Showers And Thunderstorms Likely | 7 mph SSE | 73% |
| Saturday Night | 66°F | Showers And Thunderstorms Likely | 7 mph S | 73% |
| Sunday | 81°F | Showers And Thunderstorms Likely | 7 mph W | 62% |
| Sunday Night | 58°F | Showers And Thunderstorms Likely | 8 to 12 mph NE | 59% |
| Monday | 69°F | Showers And Thunderstorms Likely | 10 to 14 mph NE | 59% |
| Monday Night | 54°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 48% |
| Tuesday | 68°F | Chance Showers And Thunderstorms | 14 mph NE | 36% |
| Tuesday Night | 54°F | Slight Chance Showers And Thunderstorms | 7 to 14 mph NE | 22% |
| Wednesday | 68°F | Slight Chance Rain Showers | 10 mph NNE | 16% |
| Wednesday Night | 54°F | Slight Chance Rain Showers then Mostly Cloudy | 6 to 10 mph NNE | 16% |
| Thursday | 69°F | Partly Sunny | 6 to 9 mph N | 10% |
| Thursday Night | 53°F | Mostly Cloudy | 5 to 9 mph NNE | 9% |
Forecast source: National Weather Service (api.weather.gov) for Lynn (40.049, -84.942). Updated through the day.
Growing snapshot for Lynn
Last spring frost
Apr 20
First fall frost
Oct 21
Growing season
183 days
Hardiness zone
6a
More local growing data for Lynn: nearby ZIP 47355 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Blountsville
Farmland
Losantville
Modoc
Parker City
Ridgeville
Saratoga
Spartanburg
Union City
Winchester
Windsor
Climate data from the nearest NOAA station, Winchester Airport 3 E, In (8.8 mi from Lynn). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.