Fertile, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fertile, a city in Worth County, Iowa.
Tonight
62°F
Patchy Fog
A chance of showers and thunderstorms before 10pm, then patchy fog and showers and thunderstorms likely between 10pm and 1am, then patchy fog and showers and thunderstorms likely between 1am and 4am, then patchy fog and a chance of showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy. Low around 62, with temperatures rising to around 65 overnight. Southeast wind 7 to 12 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 inches possible.
7-day forecast for Fertile
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 62°F | Patchy Fog | 7 to 12 mph SE | 74% |
| Saturday | 71°F | Patchy Fog | 5 to 8 mph NNE | 45% |
| Saturday Night | 55°F | Chance Showers And Thunderstorms | 12 mph NNE | 27% |
| Sunday | 65°F | Mostly Cloudy | 14 mph NE | 14% |
| Sunday Night | 50°F | Cloudy then Chance Rain Showers | 12 mph ENE | 25% |
| Monday | 60°F | Chance Rain Showers | 12 mph ENE | 48% |
| Monday Night | 45°F | Chance Rain Showers | 5 to 9 mph ENE | 45% |
| Tuesday | 60°F | Partly Sunny | 5 to 8 mph ENE | 13% |
| Tuesday Night | 43°F | Partly Cloudy | 1 to 6 mph E | 1% |
| Wednesday | 65°F | Sunny | 1 to 5 mph ESE | 0% |
| Wednesday Night | 47°F | Partly Cloudy | 0 to 3 mph ESE | 6% |
| Thursday | 67°F | Slight Chance Rain Showers | 1 to 5 mph SSE | 16% |
| Thursday Night | 50°F | Partly Cloudy | 2 mph SSE | 6% |
| Friday | 67°F | Mostly Sunny | 1 to 6 mph SE | 8% |
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 Sep 19, 2026.