Pomeroy, IA Weather & Growing Conditions
Tonight
65°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1am, then patchy fog and a chance of showers and thunderstorms. Cloudy. Low around 65, with temperatures rising to around 67 overnight. South wind 3 to 8 mph. Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 65°F | Chance Showers And Thunderstorms | 3 to 8 mph S | 53% |
| Saturday | 75°F | Patchy Fog | 3 to 7 mph NNW | 46% |
| Saturday Night | 58°F | Slight Chance Rain Showers | 7 to 10 mph NNE | 19% |
| Sunday | 67°F | Slight Chance Rain Showers | 9 to 13 mph NE | 24% |
| Sunday Night | 54°F | Chance Rain Showers | 9 mph ENE | 49% |
| Monday | 60°F | Rain Showers Likely | 9 mph ENE | 62% |
| Monday Night | 49°F | Rain Showers Likely | 6 mph NE | 56% |
| Tuesday | 61°F | Mostly Cloudy | 6 mph ENE | 11% |
| Tuesday Night | 46°F | Partly Cloudy | 3 mph E | 2% |
| Wednesday | 65°F | Mostly Sunny | 2 mph ESE | 4% |
| Wednesday Night | 50°F | Partly Cloudy then Slight Chance Rain Showers | 1 mph ESE | 15% |
| Thursday | 67°F | Slight Chance Rain Showers | 2 mph SSE | 22% |
| Thursday Night | 53°F | Mostly Cloudy then Slight Chance Rain Showers | 1 mph SE | 15% |
| Friday | 69°F | Slight Chance Rain Showers then Partly Sunny | 3 mph SE | 15% |
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 Sep 19, 2026.