Superior, WI Weather & Growing Conditions
Tonight
51°F
Chance Rain Showers
A chance of rain showers before 8pm, then a chance of drizzle between 8pm and 1am, then a chance of rain showers and patchy fog between 1am and 2am, then patchy fog and a slight chance of drizzle. Cloudy, with a low around 51. Northeast wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 51°F | Chance Rain Showers | 5 to 10 mph NE | 35% |
| Saturday | 61°F | Patchy Fog then Mostly Cloudy | 5 to 10 mph NE | 21% |
| Saturday Night | 49°F | Mostly Cloudy | 0 to 5 mph NE | 3% |
| Sunday | 60°F | Partly Sunny | 5 to 15 mph NE | 0% |
| Sunday Night | 42°F | Mostly Cloudy | 5 to 10 mph E | 0% |
| Monday | 60°F | Partly Sunny | 5 to 15 mph NE | 0% |
| Monday Night | 39°F | Partly Cloudy | 0 to 10 mph NE | 0% |
| Tuesday | 62°F | Mostly Sunny | 0 to 10 mph E | 1% |
| Tuesday Night | 40°F | Mostly Clear | 0 to 10 mph E | 0% |
| Wednesday | 64°F | Sunny | 0 to 5 mph E | 0% |
| Wednesday Night | 43°F | Partly Cloudy | 0 to 5 mph E | 5% |
| Thursday | 67°F | Partly Sunny | 0 to 5 mph SE | 10% |
| Thursday Night | 46°F | Partly Cloudy | 0 mph | 5% |
| Friday | 70°F | Mostly Sunny | 0 to 5 mph N | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Superior, WI
Last spring frost
May 18
First fall frost
Oct 3
Growing season
135 days
Hardiness zone
4b
Explore more for Superior, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Pattison Ranger Staion, Wi (3.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.