Oconto, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Oconto, a city in Oconto County, Wisconsin.
Overnight
58°F
Chance Rain Showers
A chance of rain showers before 1am, then rain showers and areas of fog. Cloudy, with a low around 58. South southeast wind around 12 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Oconto
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 58°F | Chance Rain Showers | 12 mph SSE | 92% |
| Wednesday | 63°F | Rain Showers | 13 mph S | 89% |
| Wednesday Night | 44°F | Rain Showers Likely | 12 mph SW | 55% |
| Thursday | 54°F | Rain Showers | 8 to 15 mph WNW | 89% |
| Thursday Night | 32°F | Chance Rain Showers | 17 mph N | 42% |
| Friday | 46°F | Slight Chance Rain Showers then Partly Sunny | 10 to 17 mph N | 16% |
| Friday Night | 28°F | Partly Cloudy | 3 to 8 mph NNW | 4% |
| Saturday | 49°F | Mostly Sunny | 6 mph W | 3% |
| Saturday Night | 29°F | Partly Cloudy | 5 mph WSW | 10% |
| Sunday | 55°F | Mostly Sunny | 5 to 10 mph W | 13% |
| Sunday Night | 31°F | Partly Cloudy | 7 mph WNW | 4% |
| Monday | 55°F | Mostly Sunny | 6 to 13 mph WSW | 1% |
| Monday Night | 35°F | Partly Cloudy | 9 mph W | 0% |
| Tuesday | 55°F | Mostly Sunny | 7 to 10 mph WNW | 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
Nearby towns & communities
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 Nov 4, 2026.