Holland, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Holland, a city in Grundy County, Iowa.
Today
78°F
Patchy Fog
Patchy fog and showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms. Mostly cloudy. High near 78, with temperatures falling to around 75 in the afternoon. West southwest wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Holland
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 78°F | Patchy Fog | 8 mph WSW | 59% |
| Tonight | 60°F | Chance Showers And Thunderstorms | 10 mph N | 32% |
| Sunday | 66°F | Chance Rain Showers then Chance Drizzle | 12 to 15 mph NE | 39% |
| Sunday Night | 54°F | Chance Rain Showers | 14 mph ENE | 41% |
| Monday | 62°F | Chance Rain Showers | 14 mph NE | 41% |
| Monday Night | 49°F | Chance Rain Showers | 7 to 13 mph NE | 39% |
| Tuesday | 61°F | Partly Sunny | 6 to 9 mph ENE | 14% |
| Tuesday Night | 45°F | Partly Cloudy | 2 to 7 mph ENE | 2% |
| Wednesday | 65°F | Sunny | 6 mph ENE | 1% |
| Wednesday Night | 50°F | Partly Cloudy | 3 mph E | 4% |
| Thursday | 66°F | Partly Sunny | 5 mph E | 11% |
| Thursday Night | 53°F | Partly Cloudy | 2 mph E | 8% |
| Friday | 69°F | Mostly Sunny | 1 to 5 mph ESE | 4% |
| Friday Night | 54°F | Partly Cloudy | 3 mph ESE | 9% |
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 19, 2026.