Marshfield, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Marshfield, a community in Warren County, Indiana.
Tonight
65°F
Scattered Rain Showers
Scattered rain showers. Partly cloudy. Low around 65, with temperatures rising to around 67 overnight. East wind around 8 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Marshfield
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 65°F | Scattered Rain Showers | 8 mph E | 21% |
| Saturday | 84°F | Scattered Showers And Thunderstorms | 8 mph SSE | 43% |
| Saturday Night | 68°F | Scattered Showers And Thunderstorms then Isolated Showers And Thunderstorms | 6 mph S | 39% |
| Sunday | 82°F | Chance Showers And Thunderstorms | 2 to 8 mph NE | 51% |
| Sunday Night | 60°F | Showers And Thunderstorms Likely | 9 to 13 mph NE | 62% |
| Monday | 70°F | Showers And Thunderstorms Likely | 14 mph ENE | 65% |
| Monday Night | 54°F | Chance Showers And Thunderstorms | 12 to 15 mph NE | 47% |
| Tuesday | 68°F | Chance Showers And Thunderstorms | 13 mph NE | 31% |
| Tuesday Night | 54°F | Slight Chance Rain Showers then Mostly Cloudy | 6 to 12 mph NNE | 18% |
| Wednesday | 69°F | Mostly Cloudy | 9 mph NNE | 5% |
| Wednesday Night | 54°F | Mostly Cloudy | 3 to 9 mph NNE | 5% |
| Thursday | 72°F | Partly Sunny | 3 to 7 mph NNE | 4% |
| Thursday Night | 55°F | Mostly Cloudy | 2 to 7 mph NNE | 4% |
| Friday | 72°F | Mostly Sunny | 3 to 7 mph NNE | 3% |
Forecast source: National Weather Service (api.weather.gov) for Marshfield (40.251, -87.452). Updated through the day.
Growing snapshot for Marshfield
Last spring frost
Apr 22
First fall frost
Oct 17
Growing season
176 days
Hardiness zone
6a
More local growing data for Marshfield: nearby ZIP 47991 weather · frost dates · planting calendar · Indiana frost dates
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Ambia
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State Line City
Tab
West Lebanon
Climate data from the nearest NOAA station, Attica 2E, In (13.2 mi from Marshfield). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.