Peterson, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Peterson, a city in Clay County, Iowa.
Today
70°F
Chance Rain Showers
A chance of rain showers and patchy fog before 1pm. Cloudy. High near 70, with temperatures falling to around 67 in the afternoon. North wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Peterson
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 70°F | Chance Rain Showers | 5 to 10 mph N | 27% |
| Tonight | 55°F | Slight Chance Rain Showers then Patchy Fog | 10 mph NNE | 18% |
| Sunday | 66°F | Cloudy then Slight Chance Rain Showers | 10 to 15 mph NE | 18% |
| Sunday Night | 51°F | Rain Showers Likely | 10 to 15 mph ENE | 56% |
| Monday | 60°F | Rain Showers Likely | 10 mph ENE | 56% |
| Monday Night | 46°F | Chance Rain Showers then Mostly Cloudy | 5 to 10 mph ENE | 41% |
| Tuesday | 61°F | Partly Sunny | 5 mph E | 8% |
| Tuesday Night | 43°F | Partly Cloudy | 0 to 5 mph ESE | 1% |
| Wednesday | 65°F | Mostly Sunny | 0 to 5 mph SE | 2% |
| Wednesday Night | 48°F | Partly Cloudy then Slight Chance Rain Showers | 0 to 5 mph SE | 21% |
| Thursday | 67°F | Slight Chance Rain Showers | 0 to 5 mph SE | 21% |
| Thursday Night | 52°F | Mostly Cloudy | 0 to 5 mph SE | 14% |
| Friday | 70°F | Partly Sunny | 0 to 10 mph SE | 14% |
| Friday Night | 53°F | Mostly Cloudy then Slight Chance Rain Showers | 5 mph SE | 18% |
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 Sep 19, 2026.