Lynn, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lynn, a town in Randolph County, Indiana.
This Afternoon
66°F
Chance Light Rain
A chance of rain. Cloudy, with a high near 66. South southwest wind around 15 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Lynn
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 66°F | Chance Light Rain | 15 mph SSW | 38% |
| Tonight | 46°F | Cloudy | 7 to 12 mph WSW | 11% |
| Thursday | 61°F | Partly Sunny | 8 to 15 mph SW | 1% |
| Thursday Night | 42°F | Slight Chance Light Rain | 5 to 9 mph W | 24% |
| Friday | 53°F | Slight Chance Light Rain | 6 to 12 mph NW | 19% |
| Friday Night | 34°F | Mostly Cloudy | 6 to 10 mph NW | 12% |
| Saturday | 51°F | Partly Sunny | 6 to 10 mph NW | 0% |
| Saturday Night | 30°F | Partly Cloudy | 6 mph WNW | 0% |
| Sunday | 55°F | Sunny | 5 to 10 mph W | 1% |
| Sunday Night | 32°F | Mostly Clear | 5 to 8 mph W | 1% |
| Monday | 59°F | Sunny | 3 to 9 mph W | 0% |
| Monday Night | 37°F | Clear | 8 mph WSW | 0% |
| Tuesday | 61°F | Sunny | 9 mph W | 1% |
| Tuesday Night | 36°F | Mostly Clear | 2 to 6 mph WNW | 3% |
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 Nov 4, 2026.