Danbury, IA Weather & Growing Conditions
Overnight
67°F
Patchy Fog
Patchy fog and a chance of showers and thunderstorms. Cloudy, with a low around 67. Northwest wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 67°F | Patchy Fog | 5 mph NW | 43% |
| Saturday | 73°F | Patchy Fog then Cloudy | 5 to 10 mph NNW | 37% |
| Saturday Night | 57°F | Slight Chance Rain Showers then Cloudy | 5 to 10 mph NNE | 15% |
| Sunday | 63°F | Cloudy then Chance Rain Showers | 10 mph NE | 26% |
| Sunday Night | 53°F | Chance Rain Showers | 5 to 10 mph ENE | 48% |
| Monday | 58°F | Rain Showers Likely | 5 to 10 mph ENE | 59% |
| Monday Night | 48°F | Chance Rain Showers then Mostly Cloudy | 5 mph ENE | 42% |
| Tuesday | 60°F | Partly Sunny | 5 mph E | 9% |
| Tuesday Night | 44°F | Partly Cloudy | 0 to 5 mph ESE | 2% |
| Wednesday | 64°F | Mostly Sunny | 0 to 5 mph SE | 3% |
| Wednesday Night | 50°F | Partly Cloudy then Chance Rain Showers | 0 to 5 mph SE | 30% |
| Thursday | 66°F | Chance Rain Showers | 5 mph SE | 30% |
| Thursday Night | 53°F | Mostly Cloudy | 0 to 5 mph SE | 14% |
| Friday | 68°F | Slight Chance Rain Showers | 5 mph SE | 15% |
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 Sep 19, 2026.