Harman US

Callender, IA Weather & Growing Conditions

Tonight
43°F
Rain Showers
Rain showers. Cloudy. Low around 43, with temperatures rising to around 45 overnight. Northwest wind 10 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 43°F Rain Showers 10 to 14 mph NW 88%
Wednesday 50°F Chance Rain Showers 12 to 15 mph W 34%
Wednesday Night 41°F Rain Showers Likely 10 mph WNW 58%
Thursday 50°F Rain Showers Likely 10 mph NW 61%
Thursday Night 37°F Mostly Cloudy 7 mph N 11%
Friday 50°F Partly Sunny 1 to 5 mph N 2%
Friday Night 32°F Mostly Cloudy 1 mph NNW 0%
Saturday 56°F Mostly Sunny 3 mph SW 2%
Saturday Night 36°F Mostly Clear 3 mph W 4%
Sunday 61°F Sunny 3 mph W 5%
Sunday Night 39°F Mostly Clear 5 mph SW 2%
Monday 64°F Sunny 5 to 8 mph WSW 0%
Monday Night 40°F Mostly Clear 5 mph WNW 0%
Tuesday 62°F Mostly Sunny 5 mph W 1%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Callender, IA

Last spring frost
Apr 28
First fall frost
Oct 8
Growing season
162 days
Hardiness zone
5a

Explore more for Callender, IA: full frost dates · planting calendar · Iowa frost dates

Climate data from the nearest NOAA station, Ft Dodge 5Nnw, Ia (15.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.