Boxholm, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Boxholm, a city in Boone County, Iowa.
Tonight
43°F
Rain Showers Likely
Rain showers likely. Cloudy. Low around 43, with temperatures rising to around 46 overnight. Northwest wind 10 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Boxholm
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 43°F | Rain Showers Likely | 10 to 14 mph NW | 68% |
| Wednesday | 50°F | Chance Rain Showers | 14 mph W | 31% |
| Wednesday Night | 41°F | Chance Rain Showers | 12 mph W | 44% |
| Thursday | 51°F | Rain Showers Likely | 10 mph NW | 60% |
| Thursday Night | 37°F | Mostly Cloudy | 8 mph N | 11% |
| Friday | 51°F | Partly Sunny | 2 to 6 mph N | 1% |
| Friday Night | 32°F | Mostly Cloudy | 1 mph NNW | 0% |
| Saturday | 56°F | Mostly Sunny | 3 mph WSW | 1% |
| Saturday Night | 36°F | Mostly Clear | 3 mph W | 4% |
| Sunday | 61°F | Sunny | 5 mph W | 5% |
| Sunday Night | 38°F | Mostly Clear | 5 mph SW | 1% |
| Monday | 65°F | Sunny | 5 to 9 mph WSW | 0% |
| Monday Night | 40°F | Mostly Clear | 5 mph WNW | 0% |
| Tuesday | 62°F | Mostly Sunny | 5 mph WNW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Boxholm (42.174, -94.106). Updated through the day.
Growing snapshot for Boxholm
Last spring frost
Apr 28
First fall frost
Oct 12
Growing season
165 days
Hardiness zone
5a
More local growing data for Boxholm: nearby ZIP 50040 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Boone, Ia (14.1 mi from Boxholm). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.