New Sharon, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for New Sharon, a city in Mahaska County, Iowa.
This Afternoon
83°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms. Partly sunny. High near 83, with temperatures falling to around 81 in the afternoon. West southwest wind around 8 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for New Sharon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 83°F | Chance Showers And Thunderstorms | 8 mph WSW | 26% |
| Tonight | 63°F | Showers And Thunderstorms Likely | 3 to 7 mph NNW | 78% |
| Sunday | 66°F | Chance Rain Showers | 8 to 13 mph NNE | 45% |
| Sunday Night | 56°F | Chance Drizzle then Chance Rain Showers | 12 mph ENE | 53% |
| Monday | 60°F | Rain Showers | 12 mph NE | 83% |
| Monday Night | 52°F | Rain Showers Likely | 10 mph NE | 65% |
| Tuesday | 60°F | Slight Chance Rain Showers | 9 mph NE | 19% |
| Tuesday Night | 47°F | Mostly Cloudy | 3 to 7 mph NE | 5% |
| Wednesday | 63°F | Mostly Sunny | 6 mph NE | 1% |
| Wednesday Night | 51°F | Partly Cloudy | 3 mph ENE | 1% |
| Thursday | 66°F | Slight Chance Rain Showers | 3 mph ESE | 16% |
| Thursday Night | 56°F | Slight Chance Rain Showers | 2 mph E | 21% |
| Friday | 69°F | Slight Chance Rain Showers | 5 mph E | 21% |
| Friday Night | 57°F | Mostly Cloudy | 3 mph E | 8% |
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.