Agency, IA Weather & Growing Conditions
Tonight
49°F
Cloudy
Cloudy. Low around 49, with temperatures rising to around 51 overnight. Southwest wind around 10 mph, with gusts as high as 20 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 49°F | Cloudy | 10 mph SW | 13% |
| Wednesday | 54°F | Mostly Cloudy | 10 to 14 mph WSW | 11% |
| Wednesday Night | 44°F | Mostly Cloudy | 10 mph WSW | 4% |
| Thursday | 54°F | Mostly Cloudy then Chance Rain Showers | 7 to 10 mph WNW | 28% |
| Thursday Night | 42°F | Chance Rain Showers then Mostly Cloudy | 7 mph NNW | 31% |
| Friday | 53°F | Partly Sunny | 5 to 8 mph N | 10% |
| Friday Night | 35°F | Mostly Cloudy | 0 to 3 mph NNW | 1% |
| Saturday | 55°F | Partly Sunny | 0 to 3 mph W | 1% |
| Saturday Night | 37°F | Mostly Clear | 3 mph W | 3% |
| Sunday | 61°F | Sunny | 6 mph WNW | 8% |
| Sunday Night | 38°F | Mostly Clear | 5 mph WSW | 2% |
| Monday | 65°F | Sunny | 5 to 9 mph SW | 1% |
| Monday Night | 41°F | Mostly Clear | 5 mph W | 0% |
| Tuesday | 65°F | Sunny | 5 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Agency, IA
Last spring frost
Apr 23
First fall frost
Oct 14
Growing season
172 days
Hardiness zone
5b
Explore more for Agency, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Ottumwa Industrial Ap, Ia (11.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.