Van Horne, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Van Horne, a city in Benton County, Iowa.
Today
50°F
Chance Rain Showers
A chance of rain showers before 3pm. Cloudy, with a high near 50. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
7-day forecast for Van Horne
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 50°F | Chance Rain Showers | 15 mph W | 27% |
| Tonight | 43°F | Slight Chance Rain Showers | 15 mph W | 17% |
| Thursday | 54°F | Chance Rain Showers | 10 mph NW | 50% |
| Thursday Night | 38°F | Mostly Cloudy | 10 mph N | 10% |
| Friday | 49°F | Mostly Sunny | 5 to 10 mph N | 2% |
| Friday Night | 29°F | Mostly Clear | 0 to 5 mph N | 0% |
| Saturday | 51°F | Mostly Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 34°F | Mostly Clear | 5 mph W | 1% |
| Sunday | 57°F | Sunny | 5 mph W | 2% |
| Sunday Night | 35°F | Clear | 5 mph SW | 0% |
| Monday | 63°F | Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 40°F | Mostly Clear | 5 mph W | 0% |
| Tuesday | 62°F | Sunny | 5 mph NW | 0% |
| Tuesday Night | 40°F | Partly Cloudy | 0 to 5 mph N | 1% |
Forecast source: National Weather Service (api.weather.gov) for Van Horne (42.008, -92.090). Updated through the day.
Growing snapshot for Van Horne
Last spring frost
May 3
First fall frost
Oct 3
Growing season
151 days
Hardiness zone
5a
More local growing data for Van Horne: nearby ZIP 52346 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Atkins
Belle Plaine
Blairstown
Dysart
Garrison
Keystone
Luzerne
Mount Auburn
Newhall
Norway
Shellsburg
Urbana
Vinton
Walford
Watkins
Climate data from the nearest NOAA station, Vinton, Ia (11.5 mi from Van Horne). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.