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Peterson, IA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Peterson, a city in Clay County, Iowa.

Tonight
63°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1am, then patchy fog and a chance of showers and thunderstorms. Cloudy, with a low around 63. East southeast wind 0 to 5 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast for Peterson

WhenTempForecastWindPrecip
Tonight 63°F Chance Showers And Thunderstorms 0 to 5 mph ESE 35%
Saturday 72°F Patchy Fog then Cloudy 5 to 10 mph N 33%
Saturday Night 56°F Slight Chance Rain Showers then Cloudy 10 mph NNE 20%
Sunday 66°F Slight Chance Rain Showers 10 to 15 mph NE 22%
Sunday Night 51°F Chance Rain Showers 10 mph ENE 54%
Monday 59°F Rain Showers Likely 10 mph ENE 59%
Monday Night 47°F Chance Rain Showers 5 to 10 mph ENE 42%
Tuesday 61°F Partly Sunny 5 to 10 mph E 12%
Tuesday Night 45°F Partly Cloudy 0 to 5 mph ESE 0%
Wednesday 65°F Mostly Sunny 0 to 5 mph SE 5%
Wednesday Night 49°F Mostly Cloudy then Slight Chance Rain Showers 0 to 5 mph SE 22%
Thursday 68°F Slight Chance Rain Showers 0 to 5 mph SSE 24%
Thursday Night 52°F Mostly Cloudy then Slight Chance Rain Showers 0 to 5 mph SSE 15%
Friday 68°F Slight Chance Rain Showers then Partly Sunny 0 to 5 mph SE 15%

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

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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.