Harman US

Holland, IA Weather & Growing Conditions

Tonight
66°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1am, then patchy fog and showers and thunderstorms. Cloudy. Low around 66, with temperatures rising to around 68 overnight. Southeast wind 8 to 12 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 66°F Chance Showers And Thunderstorms 8 to 12 mph SE 75%
Saturday 78°F Showers And Thunderstorms Likely 8 mph WSW 59%
Saturday Night 59°F Chance Showers And Thunderstorms 8 to 12 mph N 33%
Sunday 66°F Chance Rain Showers 12 to 16 mph NE 51%
Sunday Night 54°F Chance Rain Showers 12 to 15 mph ENE 30%
Monday 61°F Rain Showers Likely 14 mph ENE 55%
Monday Night 49°F Rain Showers Likely 8 to 13 mph NE 55%
Tuesday 60°F Chance Rain Showers then Partly Sunny 9 mph ENE 26%
Tuesday Night 46°F Partly Cloudy 2 to 7 mph ENE 4%
Wednesday 64°F Sunny 5 mph ENE 0%
Wednesday Night 50°F Partly Cloudy 3 mph ESE 4%
Thursday 67°F Partly Sunny 3 mph SE 13%
Thursday Night 52°F Partly Cloudy 2 mph SE 9%
Friday 68°F Mostly Sunny 1 to 5 mph E 6%

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

Growing snapshot for Holland, IA

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

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

Climate data from the nearest NOAA station, Grundy Ctr, Ia (5.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.