Superior, Wisconsin Weather
Superior weather this week
Over the next 7 days in Superior, daytime highs range from 6°C to 14°C and night-time lows from -5°C to 9°C. The warmest afternoon is likely on Saturday at 14°C, while the coolest night is expected tonight at -5°C. Temperatures trend warmer through the week, rising by about 4°C.
Rain is most likely Friday and Saturday, with roughly 18 mm forecast in total over the week.
Winds stay mostly light this week, peaking at about 27 km/h on Saturday. UV levels stay moderate or lower, peaking at 2. Average humidity is high at around 78%, which can make it feel muggy.
| Day | Conditions | High / Low | Rain chance | Rain | Max wind |
|---|---|---|---|---|---|
| Today (Sunday) | Overcast | 6° / -5° | 0% | 0.0 mm | 11 km/h |
| Tomorrow (Monday) | Overcast | 10° / 0° | 4% | 0.0 mm | 20 km/h |
| Tuesday | Overcast | 11° / 6° | 0% | 0.0 mm | 19 km/h |
| Wednesday | Overcast | 13° / 8° | 12% | 0.0 mm | 19 km/h |
| Thursday | Light drizzle | 12° / 9° | 18% | 0.4 mm | 23 km/h |
| Friday | Drizzle | 13° / 7° | 61% | 4.4 mm | 16 km/h |
| Saturday | Slight rain | 14° / 4° | 61% | 12.9 mm | 27 km/h |
Hourly forecast in Superior
16-day forecast for Superior
Check any date
Superior air quality & conditions
Air quality index
Today's outlook for Superior
At 01:00 local time it is -3°C in Superior under clear skies, feeling like -7°C. Today's forecast high is 6°C and the low is -5°C, and the day overall looks overcast. Rain is unlikely today (0% chance). Winds are blowing at about 8 km/h from the south-west. Humidity is 83%.
Explore nearby
Weather articles
Weather news
Climate of Superior: monthly averages
Based on 25 years of satellite and reanalysis data (2001-2025), July is usually the hottest month in Superior, with average daytime highs around 26°C. January is the coolest, when nights typically fall to about -16°C and frost is possible on the coldest nights. That is a wide yearly range of roughly 42°C, so the seasons feel very different from each other.
The area receives about 800 mm of rain in a typical year. Most of it falls from June, and June is the wettest month at roughly 104 mm.
For outdoor plans and travel, July to September usually offer the most comfortable weather in Superior, with mild days and relatively little rain.
| Month | Avg high | Avg low | Rainfall | Humidity |
|---|---|---|---|---|
| Jan | -7° | -16° | 20 mm | 94% |
| Feb | -5° | -15° | 26 mm | 91% |
| Mar | 2° | -7° | 41 mm | 83% |
| Apr | 10° | -1° | 76 mm | 75% |
| May | 17° | 5° | 94 mm | 75% |
| Jun | 22° | 11° | 104 mm | 77% |
| Jul | 26° | 15° | 94 mm | 73% |
| Aug | 25° | 14° | 96 mm | 72% |
| Sep | 21° | 10° | 85 mm | 74% |
| Oct | 12° | 2° | 82 mm | 78% |
| Nov | 3° | -4° | 38 mm | 83% |
| Dec | -4° | -11° | 40 mm | 91% |
Source: NASA POWER (MERRA-2 reanalysis), averaged over the roughly 50 km grid area around Superior. Values describe typical conditions, not a forecast.
About Superior weather
Superior sits within Wisconsin's humid continental climate, with cold winters shaped by its Great Lakes location, about 458 km north-west of Madison. Conditions turn hot with warm summers (June–August) with highs in the high 20s°C. By December, expect cold, snowy winters (December–February) with lake-effect snow near Lake Michigan. This page shows live, auto-refreshing weather for Superior: current conditions, an hourly breakdown, a 16-day outlook, a date-lookup tool for any past or future date, and real-time air quality, sourced from Open-Meteo. Local timezone: America/Chicago.
Frequently asked questions
Superior is about 458 km north-west of Madison, in Wisconsin.
Superior sees cold, snowy winters (December–February) with lake-effect snow near Lake Michigan.
The live current conditions, hourly forecast and 16-day outlook above are pulled in real time for Superior's exact coordinates. No fixed schedule, the page updates whenever you load it.
July is usually the hottest month in Superior, with average daytime highs of about 26°C and nights around 15°C.
The coldest nights come in January, when the average low is about -16°C and daytime highs reach around -7°C. Frost is possible on clear, calm nights.
Superior receives about 800 mm of rain in a typical year. June is the wettest month at roughly 104 mm, the only month that averages more than 100 mm.
July to September usually offer the most comfortable weather in Superior, with mild daytime temperatures and little rain.
In November Superior typically sees daytime highs near 3°C and lows near -4°C, with about 38 mm of rain over the month and average humidity around 83%. Check the live forecast above for this week's actual conditions.
Up to 16 days ahead using the extended forecast and date picker above; further-out or historical dates use the same date lookup tool.
Live temperature for Superior is shown at the top of this page and refreshes automatically — see the hourly breakdown below for how it changes through the day.
Superior's day-to-day weather follows the broader pattern of Wisconsin described above. See the hourly weather forecast or the air quality index for more detail.