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
46°F
Slight Chance Rain Showers
A slight chance of rain showers after 5am. Cloudy. Low around 46, with temperatures rising to around 48 overnight. West wind around 14 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
7-day forecast for New Sharon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 46°F | Slight Chance Rain Showers | 14 mph W | 16% |
| Wednesday | 52°F | Slight Chance Rain Showers then Cloudy | 15 mph W | 20% |
| Wednesday Night | 44°F | Mostly Cloudy | 12 mph W | 12% |
| Thursday | 54°F | Rain Showers Likely | 8 to 12 mph WNW | 61% |
| Thursday Night | 39°F | Mostly Cloudy | 7 mph NNW | 11% |
| Friday | 50°F | Mostly Sunny | 3 to 8 mph N | 3% |
| Friday Night | 30°F | Partly Cloudy | 2 mph NNE | 0% |
| Saturday | 52°F | Mostly Sunny | 2 mph W | 0% |
| Saturday Night | 34°F | Mostly Clear | 3 mph W | 1% |
| Sunday | 59°F | Sunny | 6 mph W | 1% |
| Sunday Night | 35°F | Clear | 3 mph SW | 0% |
| Monday | 64°F | Sunny | 3 to 8 mph SW | 0% |
| Monday Night | 40°F | Clear | 5 mph W | 0% |
| Tuesday | 64°F | Sunny | 3 mph NNW | 0% |
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 Nov 4, 2026.