Newbern, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Newbern, a community in Bartholomew County, Indiana.
Tonight
67°F
Isolated Showers And Thunderstorms then Mostly Cloudy
Isolated showers and thunderstorms before 10pm. Mostly cloudy. Low around 67, with temperatures rising to around 69 overnight. East northeast wind 5 to 9 mph. Chance of precipitation is 20%.
7-day forecast for Newbern
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 67°F | Isolated Showers And Thunderstorms then Mostly Cloudy | 5 to 9 mph ENE | 23% |
| Saturday | 90°F | Partly Sunny then Scattered Showers And Thunderstorms | 7 mph SSE | 42% |
| Saturday Night | 71°F | Scattered Showers And Thunderstorms | 6 mph SSE | 40% |
| Sunday | 89°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 mph WSW | 26% |
| Sunday Night | 65°F | Chance Showers And Thunderstorms | 5 to 8 mph NNE | 42% |
| Monday | 77°F | Showers And Thunderstorms Likely | 6 to 9 mph NE | 59% |
| Monday Night | 60°F | Chance Showers And Thunderstorms | 7 to 12 mph NE | 53% |
| Tuesday | 73°F | Chance Showers And Thunderstorms | 9 mph NE | 48% |
| Tuesday Night | 59°F | Chance Showers And Thunderstorms | 3 to 12 mph NNE | 42% |
| Wednesday | 71°F | Mostly Cloudy | 3 to 8 mph NNE | 11% |
| Wednesday Night | 58°F | Mostly Cloudy | 3 to 8 mph N | 10% |
| Thursday | 72°F | Partly Sunny | 3 to 7 mph N | 6% |
| Thursday Night | 58°F | Mostly Cloudy | 3 to 7 mph NNE | 6% |
| Friday | 73°F | Mostly Sunny | 3 to 7 mph NNE | 5% |
Forecast source: National Weather Service (api.weather.gov) for Newbern (39.237, -85.745). Updated through the day.
Growing snapshot for Newbern
Last spring frost
Apr 11
First fall frost
Oct 25
Growing season
195 days
Hardiness zone
6b
More local growing data for Newbern: nearby ZIP 47244 weather · frost dates · planting calendar · Indiana frost dates
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Climate data from the nearest NOAA station, Columbus, In (12.3 mi from Newbern). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.