Olin, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Olin, a city in Jones County, Iowa.
Overnight
62°F
Mostly Clear
Mostly clear, with a low around 62. South wind around 5 mph.
7-day forecast for Olin
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 62°F | Mostly Clear | 5 mph S | 0% |
| Tuesday | 82°F | Partly Sunny then Chance Showers And Thunderstorms | 5 mph SW | 29% |
| Tuesday Night | 64°F | Showers And Thunderstorms Likely | 0 to 5 mph N | 83% |
| Wednesday | 75°F | Showers And Thunderstorms Likely | 0 mph | 66% |
| Wednesday Night | 58°F | Chance Showers And Thunderstorms | 0 mph | 45% |
| Thursday | 79°F | Chance Rain Showers then Mostly Sunny | 0 mph | 26% |
| Thursday Night | 59°F | Mostly Clear | 0 mph | 3% |
| Friday | 82°F | Mostly Sunny | 0 mph | 4% |
| Friday Night | 64°F | Mostly Clear | 0 mph | 9% |
| Saturday | 85°F | Mostly Sunny | 0 to 5 mph S | 10% |
| Saturday Night | 69°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 5 mph S | 23% |
| Sunday | 86°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 5 mph S | 23% |
| Sunday Night | 68°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 39% |
| Monday | 85°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 39% |
Forecast source: National Weather Service (api.weather.gov) for Olin (41.997, -91.141). Updated through the day.
Growing snapshot for Olin
Last spring frost
Apr 27
First fall frost
Oct 13
Growing season
170 days
Hardiness zone
5a
More local growing data for Olin: nearby ZIP 52320 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Anamosa
Cascade
Center Junction
Martelle
Monticello
Morley
Onslow
Oxford Junction
Stone City
Wyoming
Climate data from the nearest NOAA station, Anamosa 3 Ssw, Ia (9.6 mi from Olin). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.