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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

WhenTempForecastWindPrecip
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

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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.