Fertile, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fertile, a city in Worth County, Iowa.
Tonight
43°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy. Low around 43, with temperatures rising to around 48 overnight. Northwest wind around 9 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Fertile
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 43°F | Showers And Thunderstorms | 9 mph NW | 92% |
| Wednesday | 50°F | Rain Showers | 10 to 15 mph W | 87% |
| Wednesday Night | 39°F | Rain Showers | 13 mph WNW | 89% |
| Thursday | 49°F | Rain Showers Likely | 14 mph NNW | 63% |
| Thursday Night | 32°F | Mostly Cloudy | 5 to 10 mph N | 11% |
| Friday | 47°F | Mostly Sunny | 2 to 6 mph NNE | 0% |
| Friday Night | 28°F | Partly Cloudy | 1 mph NNW | 0% |
| Saturday | 53°F | Mostly Sunny | 0 to 7 mph WSW | 1% |
| Saturday Night | 32°F | Partly Cloudy | 5 mph W | 4% |
| Sunday | 58°F | Sunny | 5 to 8 mph W | 6% |
| Sunday Night | 34°F | Mostly Clear | 5 mph SW | 1% |
| Monday | 61°F | Mostly Sunny | 6 to 12 mph WSW | 0% |
| Monday Night | 36°F | Mostly Clear | 6 mph WNW | 1% |
| Tuesday | 58°F | Mostly Sunny | 7 mph WNW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Fertile (43.262, -93.423). Updated through the day.
Growing snapshot for Fertile
Last spring frost
Apr 30
First fall frost
Oct 7
Growing season
159 days
Hardiness zone
5a
More local growing data for Fertile: nearby ZIP 50434 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Forest City 2 Nne, Ia (9.3 mi from Fertile). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.