Pomeroy, IA Weather & Growing Conditions
Tonight
42°F
Rain Showers
Rain showers. Cloudy. Low around 42, with temperatures rising to around 44 overnight. Northwest wind 10 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 42°F | Rain Showers | 10 to 17 mph NW | 89% |
| Wednesday | 49°F | Rain Showers Likely | 12 to 15 mph WNW | 58% |
| Wednesday Night | 40°F | Rain Showers Likely | 8 to 12 mph WNW | 68% |
| Thursday | 50°F | Rain Showers Likely | 10 mph NNW | 58% |
| Thursday Night | 36°F | Mostly Cloudy | 3 to 7 mph N | 5% |
| Friday | 50°F | Partly Sunny | 0 to 3 mph N | 1% |
| Friday Night | 32°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 56°F | Mostly Sunny | 0 to 3 mph SW | 2% |
| Saturday Night | 36°F | Mostly Clear | 2 mph W | 5% |
| Sunday | 60°F | Sunny | 3 mph W | 4% |
| Sunday Night | 38°F | Mostly Clear | 5 mph SW | 1% |
| Monday | 64°F | Sunny | 5 to 8 mph WSW | 0% |
| Monday Night | 40°F | Mostly Clear | 3 mph NW | 0% |
| Tuesday | 61°F | Mostly Sunny | 3 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Pomeroy, IA
Last spring frost
Apr 26
First fall frost
Oct 10
Growing season
167 days
Hardiness zone
5a
Explore more for Pomeroy, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Rockwell City, Ia (11.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.