Boone, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Boone, a city in Boone County, Iowa.
Today
79°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy. High near 79, with temperatures falling to around 76 in the afternoon. West northwest wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Boone
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 79°F | Chance Showers And Thunderstorms | 5 to 10 mph WNW | 51% |
| Tonight | 61°F | Showers And Thunderstorms | 6 to 9 mph NNE | 85% |
| Wednesday | 73°F | Chance Showers And Thunderstorms | 6 mph ENE | 38% |
| Wednesday Night | 55°F | Partly Cloudy | 3 mph ENE | 9% |
| Thursday | 79°F | Sunny | 1 to 5 mph E | 1% |
| Thursday Night | 61°F | Mostly Clear | 3 mph SSE | 2% |
| Friday | 84°F | Sunny | 3 to 9 mph S | 7% |
| Friday Night | 66°F | Mostly Clear | 5 to 8 mph S | 13% |
| Saturday | 88°F | Sunny | 3 to 9 mph S | 13% |
| Saturday Night | 71°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 10 mph S | 15% |
| Sunday | 88°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 10 mph SSE | 15% |
| Sunday Night | 70°F | Slight Chance Showers And Thunderstorms | 9 mph SSE | 30% |
| Monday | 87°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 9 to 13 mph S | 30% |
| Monday Night | 71°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 9 to 13 mph ESE | 24% |
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 Aug 4, 2026.