Boone, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Boone, a city in Boone County, Iowa.
Today
78°F
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
A chance of showers and thunderstorms before noon, then a slight chance of showers and thunderstorms. Mostly cloudy. High near 78, with temperatures falling to around 74 in the afternoon. West northwest wind around 8 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Boone
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 78°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 8 mph WNW | 41% |
| Tonight | 61°F | Chance Showers And Thunderstorms | 9 mph N | 29% |
| Sunday | 65°F | Chance Rain Showers | 13 mph NNE | 39% |
| Sunday Night | 55°F | Chance Rain Showers | 12 mph ENE | 53% |
| Monday | 61°F | Rain Showers Likely | 12 mph NE | 56% |
| Monday Night | 50°F | Rain Showers Likely | 6 to 9 mph ENE | 56% |
| Tuesday | 60°F | Partly Sunny | 8 mph ENE | 9% |
| Tuesday Night | 46°F | Partly Cloudy | 2 to 6 mph E | 2% |
| Wednesday | 65°F | Mostly Sunny | 5 mph E | 1% |
| Wednesday Night | 51°F | Partly Cloudy | 2 mph ESE | 7% |
| Thursday | 66°F | Slight Chance Rain Showers | 5 mph ESE | 18% |
| Thursday Night | 55°F | Mostly Cloudy | 2 mph ESE | 10% |
| Friday | 68°F | Partly Sunny | 6 mph ESE | 10% |
| Friday Night | 56°F | Mostly Cloudy | 3 mph ESE | 10% |
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 Sep 19, 2026.