New Sharon, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for New Sharon, a city in Mahaska County, Iowa.
Overnight
69°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Southeast wind around 8 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for New Sharon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 69°F | Chance Showers And Thunderstorms | 8 mph SE | 48% |
| Saturday | 83°F | Chance Showers And Thunderstorms | 8 mph SSW | 48% |
| Saturday Night | 63°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 to 8 mph NNW | 66% |
| Sunday | 68°F | Showers And Thunderstorms Likely | 8 to 13 mph NNE | 65% |
| Sunday Night | 57°F | Showers And Thunderstorms Likely | 12 mph NE | 64% |
| Monday | 61°F | Rain Showers Likely | 13 mph ENE | 61% |
| Monday Night | 52°F | Rain Showers Likely | 10 mph NE | 61% |
| Tuesday | 60°F | Slight Chance Rain Showers | 7 to 10 mph NE | 22% |
| Tuesday Night | 48°F | Partly Cloudy | 3 to 7 mph NE | 4% |
| Wednesday | 65°F | Mostly Sunny | 6 mph NE | 1% |
| Wednesday Night | 51°F | Partly Cloudy | 2 mph ENE | 3% |
| Thursday | 67°F | Partly Sunny | 3 mph E | 9% |
| Thursday Night | 54°F | Partly Cloudy | 2 mph E | 8% |
| Friday | 67°F | Slight Chance Rain Showers | 5 mph E | 15% |
Forecast source: National Weather Service (api.weather.gov) for New Sharon (41.470, -92.651). Updated through the day.
Growing snapshot for New Sharon
Last spring frost
Apr 21
First fall frost
Oct 16
Growing season
176 days
Hardiness zone
5b
More local growing data for New Sharon: nearby ZIP 50207 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Oskaloosa, Ia (7.7 mi from New Sharon). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.