Merom, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Merom, a town in Sullivan County, Indiana.
Tonight
46°F
Mostly Cloudy
Mostly cloudy, with a low around 46. West southwest wind 3 to 8 mph.
7-day forecast for Merom
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 46°F | Mostly Cloudy | 3 to 8 mph WSW | 5% |
| Thursday | 63°F | Mostly Sunny | 5 to 12 mph WSW | 0% |
| Thursday Night | 43°F | Mostly Cloudy | 2 to 6 mph WNW | 6% |
| Friday | 56°F | Partly Sunny | 3 to 12 mph NNW | 2% |
| Friday Night | 32°F | Partly Cloudy | 3 to 8 mph NNW | 0% |
| Saturday | 55°F | Sunny | 2 to 6 mph NNW | 0% |
| Saturday Night | 30°F | Mostly Clear | 1 to 5 mph NW | 0% |
| Sunday | 59°F | Sunny | 1 to 6 mph WNW | 0% |
| Sunday Night | 32°F | Mostly Clear | 0 to 5 mph NW | 0% |
| Monday | 64°F | Sunny | 0 to 6 mph WSW | 0% |
| Monday Night | 36°F | Clear | 5 mph SW | 0% |
| Tuesday | 65°F | Sunny | 5 mph W | 0% |
| Tuesday Night | 37°F | Mostly Clear | 3 mph NW | 2% |
| Veterans Day | 65°F | Sunny | 1 to 5 mph N | 2% |
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 Nov 5, 2026.