Agency, IA Weather & Growing Conditions
Overnight
70°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 70. South wind around 3 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 70°F | Slight Chance Showers And Thunderstorms | 3 mph S | 24% |
| Saturday | 85°F | Chance Showers And Thunderstorms | 3 to 9 mph SSW | 36% |
| Saturday Night | 65°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 3 to 7 mph NNW | 72% |
| Sunday | 71°F | Rain Showers Likely then Chance Showers And Thunderstorms | 6 to 10 mph NNE | 70% |
| Sunday Night | 59°F | Showers And Thunderstorms Likely | 12 mph NE | 67% |
| Monday | 63°F | Showers And Thunderstorms Likely | 12 mph NE | 67% |
| Monday Night | 53°F | Rain Showers Likely | 10 mph NE | 59% |
| Tuesday | 61°F | Chance Rain Showers then Partly Sunny | 10 mph NE | 39% |
| Tuesday Night | 48°F | Partly Cloudy | 3 to 7 mph NE | 3% |
| Wednesday | 65°F | Sunny | 6 mph NE | 2% |
| Wednesday Night | 52°F | Partly Cloudy | 3 mph NE | 3% |
| Thursday | 68°F | Partly Sunny | 3 mph ENE | 9% |
| Thursday Night | 56°F | Mostly Cloudy | 2 mph ENE | 6% |
| Friday | 71°F | Partly Sunny | 5 mph E | 5% |
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 Sep 19, 2026.