Holland, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Holland, a city in Grundy County, Iowa.
Tonight
59°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy. Low around 59, with temperatures rising to around 62 overnight. North wind 7 to 12 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Holland
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 59°F | Chance Showers And Thunderstorms | 7 to 12 mph N | 42% |
| Sunday | 66°F | Chance Rain Showers then Chance Drizzle | 12 to 15 mph NE | 46% |
| Sunday Night | 53°F | Chance Drizzle then Chance Rain Showers | 14 mph ENE | 49% |
| Monday | 60°F | Rain Showers Likely | 14 mph NE | 74% |
| Monday Night | 49°F | Rain Showers Likely | 7 to 12 mph NE | 74% |
| Tuesday | 61°F | Chance Rain Showers then Partly Sunny | 9 mph NE | 25% |
| Tuesday Night | 46°F | Partly Cloudy | 3 to 7 mph NE | 4% |
| Wednesday | 64°F | Mostly Sunny | 6 mph ENE | 0% |
| Wednesday Night | 50°F | Partly Cloudy | 3 mph E | 5% |
| Thursday | 66°F | Slight Chance Rain Showers | 3 mph ESE | 19% |
| Thursday Night | 54°F | Slight Chance Rain Showers | 3 mph ESE | 21% |
| Friday | 70°F | Slight Chance Rain Showers then Partly Sunny | 1 to 5 mph E | 16% |
| Friday Night | 56°F | Mostly Cloudy | 3 mph E | 7% |
| Saturday | 69°F | Slight Chance Rain Showers | 3 to 8 mph SE | 21% |
Forecast source: National Weather Service (api.weather.gov) for Holland (42.400, -92.799). Updated through the day.
Growing snapshot for Holland
Last spring frost
Apr 29
First fall frost
Oct 9
Growing season
160 days
Hardiness zone
5a
More local growing data for Holland: nearby ZIP 50642 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Grundy Ctr, Ia (5.9 mi from Holland). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.