Arnolds Park, IA Weather & Growing Conditions
This Afternoon
63°F
Patchy Fog
Patchy fog. Cloudy, with a high near 63. North wind around 10 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 63°F | Patchy Fog | 10 mph N | 5% |
| Tonight | 55°F | Patchy Fog | 10 to 15 mph NNE | 10% |
| Sunday | 66°F | Patchy Fog then Cloudy | 15 mph NE | 8% |
| Sunday Night | 51°F | Chance Rain Showers | 10 to 15 mph ENE | 53% |
| Monday | 58°F | Rain Showers Likely | 10 mph ENE | 66% |
| Monday Night | 46°F | Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NE | 51% |
| Tuesday | 62°F | Mostly Sunny | 5 to 10 mph ENE | 5% |
| Tuesday Night | 44°F | Partly Cloudy | 5 mph ESE | 0% |
| Wednesday | 66°F | Mostly Sunny | 5 to 10 mph SE | 3% |
| Wednesday Night | 50°F | Partly Cloudy then Slight Chance Rain Showers | 5 mph SE | 23% |
| Thursday | 68°F | Chance Rain Showers | 5 to 10 mph SSE | 39% |
| Thursday Night | 54°F | Slight Chance Rain Showers | 5 mph SE | 17% |
| Friday | 71°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph SE | 15% |
| Friday Night | 56°F | Mostly Cloudy then Slight Chance Rain Showers | 5 to 10 mph SE | 19% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Arnolds Park, IA
Last spring frost
May 1
First fall frost
Oct 6
Growing season
158 days
Hardiness zone
5a
Explore more for Arnolds Park, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Milford 4 Nw, Ia (3.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.