Harman US

Readlyn, IA Weather & Growing Conditions

Tonight
49°F
Chance Rain Showers
A chance of rain showers. Mostly cloudy. Low around 49, with temperatures rising to around 53 overnight. South wind around 12 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 49°F Chance Rain Showers 12 mph S 26%
Wednesday 53°F Rain Showers Likely 13 to 18 mph WSW 57%
Wednesday Night 44°F Rain Showers Likely 14 to 17 mph WSW 68%
Thursday 51°F Rain Showers Likely 15 mph NW 74%
Thursday Night 38°F Mostly Cloudy 14 mph N 11%
Friday 48°F Partly Sunny 5 to 12 mph N 1%
Friday Night 32°F Partly Cloudy 3 mph NNW 0%
Saturday 52°F Mostly Sunny 1 to 7 mph WSW 2%
Saturday Night 35°F Mostly Clear 6 mph W 4%
Sunday 58°F Sunny 6 to 10 mph WNW 9%
Sunday Night 37°F Mostly Clear 7 mph SW 1%
Monday 60°F Mostly Sunny 7 to 15 mph SW 0%
Monday Night 40°F Mostly Clear 8 mph WNW 0%
Tuesday 59°F Mostly Sunny 8 mph WNW 1%

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

Growing snapshot for Readlyn, IA

Last spring frost
Apr 29
First fall frost
Oct 9
Growing season
162 days
Hardiness zone
5a

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

Climate data from the nearest NOAA station, Tripoli, Ia (8.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.