Boone, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Boone, a city in Boone County, Iowa.
This Afternoon
64°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Cloudy. High near 64, with temperatures falling to around 59 in the afternoon. North wind around 12 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Boone
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 64°F | Showers And Thunderstorms Likely | 12 mph N | 71% |
| Tonight | 45°F | Showers And Thunderstorms | 13 mph NW | 85% |
| Wednesday | 51°F | Chance Rain Showers | 15 mph W | 31% |
| Wednesday Night | 42°F | Cloudy then Chance Rain Showers | 12 mph W | 48% |
| Thursday | 52°F | Rain Showers Likely | 10 mph NW | 62% |
| Thursday Night | 39°F | Mostly Cloudy | 6 to 9 mph N | 13% |
| Friday | 52°F | Partly Sunny | 2 to 7 mph N | 1% |
| Friday Night | 33°F | Mostly Cloudy | 2 mph ESE | 0% |
| Saturday | 57°F | Mostly Sunny | 1 to 5 mph WSW | 1% |
| Saturday Night | 37°F | Mostly Clear | 5 mph W | 4% |
| Sunday | 61°F | Sunny | 6 mph W | 5% |
| Sunday Night | 39°F | Mostly Clear | 6 mph SW | 2% |
| Monday | 65°F | Sunny | 6 to 9 mph WSW | 0% |
| Monday Night | 41°F | Mostly Clear | 5 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Boone (42.049, -93.873). Updated through the day.
Growing snapshot for Boone
Last spring frost
Apr 28
First fall frost
Oct 12
Growing season
165 days
Hardiness zone
5a
More local growing data for Boone: nearby ZIP 50036 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Boone, Ia (3.7 mi from Boone). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.