Harman US

Ryan, IA Weather & Growing Conditions

This Afternoon
67°F
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy. High near 67, with temperatures falling to around 64 in the afternoon. Southeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 67°F Showers And Thunderstorms 15 mph SE 85%
Tonight 50°F Showers And Thunderstorms Likely 10 to 15 mph S 72%
Wednesday 52°F Chance Rain Showers 10 to 15 mph SW 50%
Wednesday Night 44°F Chance Rain Showers 15 mph SW 36%
Thursday 51°F Rain Showers Likely 10 to 15 mph W 72%
Thursday Night 39°F Mostly Cloudy 10 mph N 14%
Friday 49°F Partly Sunny 5 to 10 mph N 4%
Friday Night 32°F Partly Cloudy 0 to 5 mph NW 1%
Saturday 52°F Mostly Sunny 0 to 5 mph W 2%
Saturday Night 35°F Mostly Clear 5 mph W 5%
Sunday 58°F Sunny 5 to 10 mph W 10%
Sunday Night 36°F Mostly Clear 5 mph SW 2%
Monday 60°F Sunny 5 to 10 mph SW 0%
Monday Night 40°F Mostly Clear 5 mph W 0%

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

Growing snapshot for Ryan, IA

Last spring frost
May 3
First fall frost
Oct 7
Growing season
156 days
Hardiness zone
5a

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

Climate data from the nearest NOAA station, Coggon, Ia (5.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.