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Oconto, WI Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Oconto, a city in Oconto County, Wisconsin.

Today
63°F
Rain Showers Likely
Rain showers likely. Cloudy, with a high near 63. East wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast for Oconto

WhenTempForecastWindPrecip
Today 63°F Rain Showers Likely 10 mph E 60%
Tonight 50°F Chance Rain Showers then Mostly Cloudy 9 mph NE 35%
Sunday 66°F Mostly Sunny 9 to 15 mph NE 0%
Sunday Night 44°F Mostly Cloudy 9 to 14 mph NE 0%
Monday 61°F Mostly Cloudy 9 to 15 mph NE 0%
Monday Night 43°F Partly Cloudy 7 to 12 mph NE 0%
Tuesday 62°F Mostly Sunny 7 to 14 mph ENE 0%
Tuesday Night 44°F Mostly Clear 5 to 10 mph ENE 1%
Wednesday 64°F Sunny 5 to 12 mph NE 2%
Wednesday Night 44°F Mostly Clear 2 to 8 mph NE 1%
Thursday 67°F Mostly Sunny 3 to 9 mph NE 2%
Thursday Night 45°F Partly Cloudy 5 mph NE 2%
Friday 70°F Mostly Sunny 2 to 7 mph NE 2%
Friday Night 46°F Partly Cloudy 1 to 5 mph NE 1%

Forecast source: National Weather Service (api.weather.gov) for Oconto (44.893, -87.869). Updated through the day.

Growing snapshot for Oconto

Last spring frost
May 9
First fall frost
Oct 6
Growing season
150 days
Hardiness zone
5a

More local growing data for Oconto: nearby ZIP 54153 weather · frost dates · planting calendar · Wisconsin frost dates

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Climate data from the nearest NOAA station, Oconto 4 W, Wi (2 mi from Oconto). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.