Harman US

Danbury, IA Weather & Growing Conditions

Tonight
38°F
Rain Showers
Rain showers before 3am. Cloudy. Low around 38, with temperatures rising to around 42 overnight. Northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 38°F Rain Showers 10 to 15 mph NW 74%
Wednesday 47°F Chance Rain Showers 10 to 15 mph WNW 40%
Wednesday Night 37°F Chance Rain Showers 10 mph WNW 37%
Thursday 48°F Slight Chance Rain Showers then Mostly Cloudy 10 mph NNW 21%
Thursday Night 32°F Mostly Cloudy 5 mph N 0%
Friday 47°F Mostly Sunny 0 to 5 mph NNE 0%
Friday Night 29°F Partly Cloudy 0 mph 0%
Saturday 52°F Mostly Sunny 0 to 5 mph SSW 1%
Saturday Night 34°F Mostly Clear 0 to 5 mph W 3%
Sunday 60°F Sunny 0 to 5 mph WSW 3%
Sunday Night 37°F Mostly Clear 5 mph SSW 0%
Monday 62°F Sunny 5 to 10 mph WSW 0%
Monday Night 38°F Mostly Clear 0 to 5 mph NW 0%
Tuesday 60°F Mostly Sunny 5 mph W 0%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Danbury, IA

Last spring frost
May 3
First fall frost
Oct 1
Growing season
151 days
Hardiness zone
5a

Explore more for Danbury, IA: full frost dates · planting calendar · Iowa frost dates

Climate data from the nearest NOAA station, Mapleton No.2, Ia (8.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.