Harman US

Fontanelle, IA Weather & Growing Conditions

Today
50°F
Cloudy
Cloudy. High near 50, with temperatures falling to around 47 in the afternoon. West wind around 17 mph, with gusts as high as 24 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 50°F Cloudy 17 mph W 6%
Tonight 42°F Mostly Cloudy then Chance Rain Showers 13 mph W 29%
Thursday 52°F Chance Rain Showers then Mostly Cloudy 12 mph NW 34%
Thursday Night 38°F Mostly Cloudy 6 to 9 mph N 7%
Friday 50°F Mostly Sunny 6 mph N 1%
Friday Night 31°F Partly Cloudy 2 mph NE 0%
Saturday 53°F Mostly Sunny 1 to 5 mph SSW 0%
Saturday Night 36°F Mostly Clear 5 mph WSW 0%
Sunday 59°F Sunny 6 mph W 0%
Sunday Night 39°F Clear 6 mph SW 0%
Monday 64°F Sunny 6 to 12 mph SW 0%
Monday Night 42°F Mostly Clear 6 mph WNW 0%
Tuesday 64°F Sunny 5 mph NNW 0%
Tuesday Night 44°F Partly Cloudy 3 mph ESE 1%

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 Nov 4, 2026.