Merriam, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Merriam, a community in Noble County, Indiana.
This Afternoon
67°F
Mostly Cloudy
Mostly cloudy. High near 67, with temperatures falling to around 62 in the afternoon. Southwest wind around 15 mph, with gusts as high as 25 mph.
7-day forecast for Merriam
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Mostly Cloudy | 15 mph SW | 10% |
| Tonight | 48°F | Mostly Cloudy | 10 to 15 mph SW | 10% |
| Thursday | 56°F | Mostly Cloudy | 10 to 15 mph SW | 12% |
| Thursday Night | 42°F | Rain Showers Likely | 5 to 10 mph W | 58% |
| Friday | 50°F | Chance Rain Showers | 5 to 15 mph NW | 43% |
| Friday Night | 35°F | Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NW | 28% |
| Saturday | 51°F | Partly Sunny | 5 to 10 mph NW | 5% |
| Saturday Night | 31°F | Partly Cloudy | 0 to 5 mph W | 0% |
| Sunday | 54°F | Sunny | 5 to 15 mph W | 1% |
| Sunday Night | 34°F | Mostly Clear | 5 to 10 mph W | 1% |
| Monday | 58°F | Sunny | 5 to 10 mph W | 1% |
| Monday Night | 39°F | Mostly Clear | 5 mph SW | 0% |
| Tuesday | 60°F | Sunny | 5 to 10 mph W | 0% |
| Tuesday Night | 37°F | Mostly Clear | 0 to 5 mph NW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Merriam (41.287, -85.433). Updated through the day.
Growing snapshot for Merriam
Last spring frost
Apr 24
First fall frost
Oct 24
Growing season
182 days
Hardiness zone
6a
More local growing data for Merriam: nearby ZIP 46701 weather · frost dates · planting calendar · Indiana frost dates
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Climate data from the nearest NOAA station, Northern Indiana Wfo, In (13.9 mi from Merriam). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.