New Marshfield, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for New Marshfield, a community in Athens County, Ohio.
Today
86°F
Sunny
Sunny, with a high near 86. Northeast wind around 3 mph.
7-day forecast for New Marshfield
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Sunny | 3 mph NE | 1% |
| Tonight | 67°F | Partly Cloudy | 2 mph NE | 3% |
| Wednesday | 86°F | Mostly Sunny then Chance Showers And Thunderstorms | 3 mph S | 47% |
| Wednesday Night | 68°F | Chance Showers And Thunderstorms | 2 mph SW | 46% |
| Thursday | 85°F | Showers And Thunderstorms Likely | 1 to 5 mph SW | 64% |
| Thursday Night | 68°F | Showers And Thunderstorms Likely | 3 mph S | 64% |
| Friday | 84°F | Showers And Thunderstorms | 2 to 6 mph SW | 78% |
| Friday Night | 67°F | Showers And Thunderstorms | 3 mph SW | 78% |
| Saturday | 84°F | Chance Showers And Thunderstorms | 1 to 6 mph SW | 46% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms | 0 to 3 mph W | 46% |
| Sunday | 86°F | Slight Chance Showers And Thunderstorms | 0 to 6 mph SW | 20% |
| Sunday Night | 69°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 mph SW | 20% |
| Monday | 86°F | Chance Showers And Thunderstorms | 2 to 7 mph SW | 28% |
| Monday Night | 68°F | Chance Showers And Thunderstorms | 1 to 5 mph SW | 37% |
Forecast source: National Weather Service (api.weather.gov) for New Marshfield (39.325, -82.217). Updated through the day.
Growing snapshot for New Marshfield
Last spring frost
Apr 25
First fall frost
Oct 23
Growing season
179 days
Hardiness zone
6b
More local growing data for New Marshfield: nearby ZIP 45766 weather · frost dates · planting calendar · Ohio frost dates
Nearby towns & communities
Amesville
Athens
Buchtel
Chauncey
Coolville
Glouster
Hockingport
Jacksonville
Millfield
Stewart
The Plains
Trimble
Climate data from the nearest NOAA station, Athens Ou, Oh (8.7 mi from New Marshfield). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.