Fontanelle, IA Weather & Growing Conditions
Today
83°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly sunny. High near 83, with temperatures falling to around 80 in the afternoon. North northeast wind 5 to 9 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Chance Showers And Thunderstorms | 5 to 9 mph NNE | 40% |
| Tonight | 62°F | Showers And Thunderstorms | 7 to 10 mph NNE | 89% |
| Wednesday | 72°F | Chance Showers And Thunderstorms | 9 mph NE | 60% |
| Wednesday Night | 57°F | Slight Chance Rain Showers then Partly Cloudy | 2 to 7 mph NE | 20% |
| Thursday | 80°F | Sunny | 3 mph E | 6% |
| Thursday Night | 62°F | Mostly Clear | 3 mph SE | 5% |
| Friday | 85°F | Sunny | 3 to 8 mph S | 5% |
| Friday Night | 67°F | Mostly Clear | 6 mph S | 9% |
| Saturday | 89°F | Sunny | 5 to 12 mph S | 4% |
| Saturday Night | 73°F | Mostly Clear | 10 to 14 mph S | 10% |
| Sunday | 90°F | Mostly Sunny | 13 mph S | 10% |
| Sunday Night | 72°F | Slight Chance Showers And Thunderstorms | 13 mph SSE | 25% |
| Monday | 90°F | Chance Showers And Thunderstorms then Mostly Sunny | 14 mph SSW | 25% |
| Monday Night | 72°F | Chance Showers And Thunderstorms | 12 to 15 mph SSE | 25% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Fontanelle, IA
Last spring frost
Apr 25
First fall frost
Oct 12
Growing season
170 days
Hardiness zone
5b
Explore more for Fontanelle, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Greenfield, Ia (6.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.