Boone, IA Weather & Growing Conditions
Today
78°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy. High near 78, with temperatures falling to around 75 in the afternoon. West northwest wind 6 to 10 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 78°F | Chance Showers And Thunderstorms | 6 to 10 mph WNW | 54% |
| Tonight | 60°F | Showers And Thunderstorms | 6 to 9 mph N | 83% |
| Wednesday | 72°F | Chance Showers And Thunderstorms | 6 mph ENE | 35% |
| Wednesday Night | 54°F | Partly Cloudy | 3 mph ENE | 7% |
| Thursday | 79°F | Sunny | 1 to 5 mph E | 1% |
| Thursday Night | 61°F | Mostly Clear | 5 mph SSE | 2% |
| Friday | 83°F | Sunny | 3 to 9 mph S | 8% |
| Friday Night | 66°F | Mostly Clear | 5 to 8 mph S | 14% |
| Saturday | 87°F | Sunny | 5 to 10 mph S | 13% |
| Saturday Night | 70°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 12 mph S | 15% |
| Sunday | 87°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 10 mph SSE | 15% |
| Sunday Night | 70°F | Slight Chance Showers And Thunderstorms | 10 mph SSE | 30% |
| Monday | 87°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 13 mph S | 30% |
| Monday Night | 70°F | Mostly Cloudy then Chance Showers And Thunderstorms | 13 mph ESE | 25% |
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 Aug 4, 2026.