Van Horne, IA Weather & Growing Conditions
This Afternoon
77°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Partly sunny. High near 77, with temperatures falling to around 75 in the afternoon. Southwest wind around 5 mph. Chance of precipitation is 70%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 77°F | Showers And Thunderstorms Likely | 5 mph SW | 67% |
| Tonight | 61°F | Showers And Thunderstorms Likely | 5 to 10 mph N | 71% |
| Sunday | 66°F | Chance Rain Showers | 10 to 15 mph NE | 46% |
| Sunday Night | 55°F | Chance Rain Showers | 10 to 15 mph NE | 49% |
| Monday | 61°F | Rain Showers Likely | 10 to 15 mph NE | 71% |
| Monday Night | 51°F | Rain Showers Likely | 10 mph NE | 71% |
| Tuesday | 60°F | Chance Rain Showers | 10 mph NE | 32% |
| Tuesday Night | 47°F | Partly Cloudy | 5 to 10 mph NE | 6% |
| Wednesday | 63°F | Mostly Sunny | 5 mph NE | 2% |
| Wednesday Night | 51°F | Partly Cloudy | 0 to 5 mph E | 2% |
| Thursday | 65°F | Partly Sunny | 5 mph E | 13% |
| Thursday Night | 55°F | Slight Chance Rain Showers | 0 mph | 23% |
| Friday | 69°F | Slight Chance Rain Showers then Mostly Cloudy | 0 to 5 mph E | 18% |
| Friday Night | 56°F | Partly Cloudy | 0 to 5 mph E | 12% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Van Horne, IA
Last spring frost
May 3
First fall frost
Oct 3
Growing season
151 days
Hardiness zone
5a
Explore more for Van Horne, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Vinton, Ia (11.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.