Peterson, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Peterson, a city in Clay County, Iowa.
This Afternoon
55°F
Chance Rain Showers
A chance of rain showers. Cloudy. High near 55, with temperatures falling to around 48 in the afternoon. North northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Peterson
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 55°F | Chance Rain Showers | 15 mph NNW | 48% |
| Tonight | 39°F | Rain Showers | 15 mph NW | 87% |
| Wednesday | 47°F | Rain Showers | 15 mph WNW | 88% |
| Wednesday Night | 37°F | Rain Showers | 10 to 15 mph NW | 76% |
| Thursday | 47°F | Chance Rain Showers | 10 to 15 mph NNW | 45% |
| Thursday Night | 33°F | Mostly Cloudy | 5 to 10 mph N | 4% |
| Friday | 48°F | Partly Sunny | 0 to 5 mph NNE | 0% |
| Friday Night | 30°F | Mostly Cloudy | 0 mph | 0% |
| Saturday | 54°F | Mostly Sunny | 0 to 5 mph SW | 2% |
| Saturday Night | 34°F | Mostly Clear | 5 mph W | 5% |
| Sunday | 58°F | Sunny | 5 to 10 mph WSW | 4% |
| Sunday Night | 37°F | Mostly Clear | 5 mph SSW | 1% |
| Monday | 61°F | Sunny | 5 to 10 mph WSW | 0% |
| Monday Night | 37°F | Mostly Clear | 5 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Peterson (42.917, -95.343). Updated through the day.
Growing snapshot for Peterson
Last spring frost
May 4
First fall frost
Oct 4
Growing season
152 days
Hardiness zone
5a
More local growing data for Peterson: nearby ZIP 51047 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Cherokee, Ia (15.4 mi from Peterson). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.