Oconto, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Oconto, a city in Oconto County, Wisconsin.
Today
83°F
Partly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 1pm and 3pm, then a chance of showers and thunderstorms between 3pm and 4pm, then a chance of showers and thunderstorms. Partly sunny. High near 83, with temperatures falling to around 80 in the afternoon. Heat index values as high as 85. Southwest wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Oconto
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 9 to 13 mph SW | 42% |
| Tonight | 59°F | Chance Showers And Thunderstorms | 3 to 7 mph NNW | 41% |
| Wednesday | 78°F | Slight Chance Showers And Thunderstorms then Partly Sunny | 2 to 6 mph ENE | 18% |
| Wednesday Night | 54°F | Partly Cloudy | 1 to 6 mph SSE | 0% |
| Thursday | 82°F | Sunny | 1 to 8 mph SSW | 1% |
| Thursday Night | 58°F | Mostly Clear | 3 to 8 mph SSW | 1% |
| Friday | 84°F | Sunny | 3 to 13 mph SSW | 5% |
| Friday Night | 63°F | Slight Chance Rain Showers | 6 to 12 mph SW | 20% |
| Saturday | 86°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 6 to 10 mph SW | 22% |
| Saturday Night | 63°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 3 to 9 mph SSW | 45% |
| Sunday | 85°F | Chance Showers And Thunderstorms | 5 to 9 mph WSW | 45% |
| Sunday Night | 60°F | Chance Showers And Thunderstorms | 3 to 8 mph W | 41% |
| Monday | 81°F | Chance Showers And Thunderstorms | 3 to 7 mph SW | 31% |
| Monday Night | 59°F | Chance Showers And Thunderstorms | 3 to 7 mph NE | 37% |
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 Aug 4, 2026.