Superior, WI Weather & Growing Conditions
Tonight
50°F
Rain
Rain. Cloudy, with a low around 50. Northeast wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 50°F | Rain | 5 to 10 mph NE | 86% |
| Wednesday | 52°F | Rain | 5 to 10 mph N | 88% |
| Wednesday Night | 41°F | Light Rain | 5 to 10 mph N | 86% |
| Thursday | 45°F | Chance Light Rain then Mostly Cloudy | 10 mph N | 53% |
| Thursday Night | 32°F | Mostly Cloudy | 5 mph NE | 1% |
| Friday | 41°F | Mostly Sunny | 0 to 5 mph NE | 0% |
| Friday Night | 25°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 48°F | Mostly Sunny | 0 to 5 mph SW | 2% |
| Saturday Night | 34°F | Partly Cloudy | 5 mph SW | 12% |
| Sunday | 52°F | Mostly Sunny | 5 to 10 mph W | 10% |
| Sunday Night | 34°F | Partly Cloudy | 5 mph SW | 3% |
| Monday | 53°F | Partly Sunny | 5 to 10 mph SW | 2% |
| Monday Night | 35°F | Partly Cloudy | 5 to 10 mph W | 0% |
| Tuesday | 49°F | Mostly Sunny | 5 mph W | 0% |
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 Nov 4, 2026.