Merom, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Merom, a town in Sullivan County, Indiana.
This Afternoon
85°F
Sunny
Sunny, with a high near 85. Northeast wind around 2 mph.
7-day forecast for Merom
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 85°F | Sunny | 2 mph NE | 0% |
| Tonight | 63°F | Mostly Clear | 1 mph ENE | 0% |
| Wednesday | 86°F | Sunny | 2 mph SSW | 0% |
| Wednesday Night | 67°F | Partly Cloudy | 2 mph S | 8% |
| Thursday | 84°F | Scattered Rain Showers | 2 to 7 mph SSW | 36% |
| Thursday Night | 68°F | Scattered Showers And Thunderstorms | 1 to 6 mph S | 45% |
| Friday | 84°F | Scattered Showers And Thunderstorms | 1 to 6 mph SSW | 34% |
| Friday Night | 68°F | Scattered Showers And Thunderstorms | 1 to 6 mph SSW | 34% |
| Saturday | 85°F | Slight Chance Showers And Thunderstorms | 5 mph SSW | 22% |
| Saturday Night | 70°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SSW | 19% |
| Sunday | 87°F | Mostly Sunny | 3 to 9 mph SSW | 10% |
| Sunday Night | 72°F | Mostly Clear | 8 mph SSW | 10% |
| Monday | 89°F | Mostly Sunny | 6 to 9 mph SSW | 13% |
| Monday Night | 73°F | Chance Showers And Thunderstorms | 8 mph SSW | 27% |
Forecast source: National Weather Service (api.weather.gov) for Merom (39.056, -87.567). Updated through the day.
Growing snapshot for Merom
Last spring frost
Apr 12
First fall frost
Oct 22
Growing season
193 days
Hardiness zone
6b
More local growing data for Merom: nearby ZIP 47861 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Carlisle
Cass
Dugger
Fairbanks
Farmersburg
Graysville
Hymera
New Lebanon
Paxton
Pleasantville
Shelburn
Sullivan
Climate data from the nearest NOAA station, Palestine, Il (5.4 mi from Merom). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.