Slinger, WI Weather & Growing Conditions
Overnight
61°F
Mostly Clear
Mostly clear, with a low around 61. Southwest wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 61°F | Mostly Clear | 5 mph SW | 0% |
| Tuesday | 83°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 20% |
| Tuesday Night | 63°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 mph W | 86% |
| Wednesday | 75°F | Patchy Fog then Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 58% |
| Wednesday Night | 59°F | Chance Showers And Thunderstorms | 0 mph | 31% |
| Thursday | 78°F | Mostly Sunny | 0 mph | 12% |
| Thursday Night | 59°F | Mostly Clear | 0 mph | 7% |
| Friday | 81°F | Sunny | 0 to 5 mph SW | 1% |
| Friday Night | 62°F | Mostly Clear | 5 mph SW | 7% |
| Saturday | 83°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 15% |
| Saturday Night | 67°F | Slight Chance Showers And Thunderstorms | 5 mph SW | 29% |
| Sunday | 84°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 29% |
| Sunday Night | 65°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 mph SW | 52% |
| Monday | 82°F | Chance Rain Showers | 0 to 5 mph SW | 40% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Slinger, WI
Last spring frost
May 5
First fall frost
Oct 5
Growing season
152 days
Hardiness zone
5a
Explore more for Slinger, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Slinger Wwtp, Wi (1.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.