Newtown, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Newtown, a town in Fountain County, Indiana.
This Afternoon
77°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 4pm. Mostly cloudy. High near 77, with temperatures falling to around 75 in the afternoon. East northeast wind around 8 mph. Chance of precipitation is 60%.
7-day forecast for Newtown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 77°F | Chance Showers And Thunderstorms | 8 mph ENE | 59% |
| Tonight | 65°F | Chance Showers And Thunderstorms | 8 mph E | 23% |
| Saturday | 84°F | Chance Showers And Thunderstorms | 8 mph SSE | 48% |
| Saturday Night | 68°F | Slight Chance Showers And Thunderstorms | 6 mph SSE | 40% |
| Sunday | 82°F | Chance Showers And Thunderstorms | 2 to 8 mph ENE | 50% |
| Sunday Night | 59°F | Showers And Thunderstorms Likely | 9 to 13 mph NE | 65% |
| Monday | 70°F | Showers And Thunderstorms Likely | 14 mph ENE | 65% |
| Monday Night | 54°F | Chance Showers And Thunderstorms | 12 to 16 mph NE | 47% |
| Tuesday | 68°F | Chance Showers And Thunderstorms | 14 mph NE | 34% |
| Tuesday Night | 54°F | Slight Chance Rain Showers then Mostly Cloudy | 6 to 13 mph NE | 18% |
| Wednesday | 68°F | Mostly Cloudy | 9 mph NNE | 3% |
| Wednesday Night | 54°F | Mostly Cloudy | 3 to 9 mph NNE | 3% |
| Thursday | 71°F | Partly Sunny | 3 to 8 mph NNE | 4% |
| Thursday Night | 54°F | Mostly Cloudy | 3 to 8 mph NNE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Newtown (40.205, -87.148). Updated through the day.
Growing snapshot for Newtown
Last spring frost
Apr 22
First fall frost
Oct 17
Growing season
176 days
Hardiness zone
6a
More local growing data for Newtown: nearby ZIP 47969 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Attica
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Rob Roy
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Veedersburg
Wallace
Williamsport
Climate data from the nearest NOAA station, Attica 2E, In (6.1 mi from Newtown). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.