Pierson, IA Weather & Growing Conditions
This Afternoon
46°F
Rain Showers Likely
Rain showers likely. Cloudy, with a high near 46. West northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 46°F | Rain Showers Likely | 15 mph WNW | 59% |
| Tonight | 37°F | Rain Showers | 10 to 15 mph NW | 85% |
| Thursday | 47°F | Mostly Cloudy | 10 to 15 mph NNW | 8% |
| Thursday Night | 31°F | Mostly Cloudy | 5 to 10 mph N | 0% |
| Friday | 46°F | Mostly Sunny | 0 to 5 mph NE | 0% |
| Friday Night | 28°F | Partly Cloudy | 0 to 5 mph SE | 0% |
| Saturday | 54°F | Mostly Sunny | 5 to 10 mph SSW | 0% |
| Saturday Night | 32°F | Mostly Clear | 0 to 5 mph SW | 0% |
| Sunday | 58°F | Sunny | 0 to 5 mph WSW | 0% |
| Sunday Night | 36°F | Clear | 5 mph SSW | 0% |
| Monday | 63°F | Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 37°F | Mostly Clear | 0 to 5 mph NW | 0% |
| Tuesday | 59°F | Mostly Sunny | 0 to 5 mph N | 1% |
| Tuesday Night | 38°F | Partly Cloudy | 0 to 5 mph ENE | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Pierson, IA
Last spring frost
Apr 30
First fall frost
Oct 9
Growing season
162 days
Hardiness zone
5a
Explore more for Pierson, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Holstein, Ia (15.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.