New Baltimore, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for New Baltimore, a community in Hamilton County, Ohio.
This Afternoon
81°F
Mostly Cloudy
Mostly cloudy, with a high near 81. Northeast wind around 9 mph.
7-day forecast for New Baltimore
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 81°F | Mostly Cloudy | 9 mph NE | 5% |
| Tonight | 63°F | Partly Cloudy then Patchy Fog | 3 to 9 mph NE | 4% |
| Saturday | 85°F | Areas Of Fog then Slight Chance Showers And Thunderstorms | 5 mph SE | 46% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 mph S | 55% |
| Sunday | 86°F | Chance Showers And Thunderstorms | 3 to 7 mph SW | 44% |
| Sunday Night | 64°F | Chance Showers And Thunderstorms | 7 to 10 mph NE | 44% |
| Monday | 77°F | Chance Showers And Thunderstorms | 10 mph NE | 51% |
| Monday Night | 59°F | Chance Showers And Thunderstorms | 8 to 13 mph NE | 51% |
| Tuesday | 73°F | Chance Showers And Thunderstorms | 10 mph NE | 43% |
| Tuesday Night | 59°F | Chance Showers And Thunderstorms | 5 to 12 mph NE | 34% |
| Wednesday | 72°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 to 9 mph N | 27% |
| Wednesday Night | 58°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 3 to 9 mph N | 17% |
| Thursday | 72°F | Partly Sunny | 5 to 8 mph N | 9% |
| Thursday Night | 57°F | Mostly Cloudy | 3 to 8 mph N | 9% |
Forecast source: National Weather Service (api.weather.gov) for New Baltimore (39.272, -84.666). Updated through the day.
Growing snapshot for New Baltimore
Last spring frost
Apr 19
First fall frost
Oct 22
Growing season
186 days
Hardiness zone
6b
More local growing data for New Baltimore: nearby ZIP 45252 weather · frost dates · planting calendar · Ohio frost dates
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Climate data from the nearest NOAA station, Fairfield, Oh (5.7 mi from New Baltimore). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.