Boone, IA Weather & Growing Conditions
Overnight
44°F
Chance Rain Showers
A chance of rain showers. Cloudy. Low around 44, with temperatures rising to around 46 overnight. Northwest wind 9 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 44°F | Chance Rain Showers | 9 to 15 mph NW | 30% |
| Wednesday | 50°F | Chance Rain Showers | 15 mph W | 27% |
| Wednesday Night | 43°F | Cloudy then Chance Rain Showers | 13 mph W | 30% |
| Thursday | 53°F | Chance Rain Showers then Mostly Cloudy | 13 mph NW | 46% |
| Thursday Night | 38°F | Mostly Cloudy | 6 to 10 mph N | 6% |
| Friday | 50°F | Mostly Sunny | 3 to 7 mph N | 5% |
| Friday Night | 30°F | Partly Cloudy | 2 mph NE | 0% |
| Saturday | 53°F | Mostly Sunny | 3 mph SW | 0% |
| Saturday Night | 35°F | Mostly Clear | 5 mph W | 1% |
| Sunday | 59°F | Sunny | 5 mph W | 1% |
| Sunday Night | 37°F | Clear | 5 mph SW | 0% |
| Monday | 65°F | Sunny | 5 to 8 mph SW | 0% |
| Monday Night | 41°F | Mostly Clear | 5 mph WNW | 0% |
| Tuesday | 63°F | Sunny | 3 mph NNW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Boone, IA
Last spring frost
Apr 28
First fall frost
Oct 12
Growing season
165 days
Hardiness zone
5a
Explore more for Boone, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Boone, Ia (3.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.