Portland, WI Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Portland, WI in one place.
Sunny, with a high near 83. South wind 0 to 5 mph.
Local Weather Overview
This forecast page for Portland, WI is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jun 2, 2026 8:46 PM CDT.
The active forecast window currently covers Jun 3 to Jun 9, 2026 for Portland, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 3 to Jun 9, 2026
- Latest sync
- Jun 2, 2026 8:46 PM CDT
- Forecast office
- MKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Portland
Tuesday looks like the warmest upcoming period in Portland at 88 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 57 degrees F.
The strongest winds are forecast for Thursday at about 5 to 15 mph SW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 2, 2026 8:46 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- MKX
- Radar station
- KMKX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 57. South wind around 5 mph.
Mostly sunny, with a high near 87. Southwest wind 5 to 15 mph.
A chance of rain showers after 1am. Mostly cloudy, with a low around 64. Southwest wind 5 to 10 mph. Chance of precipitation is 40%.
A chance of rain showers before 10am, then showers and thunderstorms likely. Mostly cloudy, with a high near 85. Southwest wind 10 to 15 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
Showers and thunderstorms. Mostly cloudy, with a low around 63. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 85. West wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 60. Chance of precipitation is 50%.
Mostly sunny, with a high near 83.
Partly cloudy, with a low around 60.
A slight chance of rain showers after 1pm. Mostly sunny, with a high near 87. Chance of precipitation is 20%.
A slight chance of rain showers before 7pm, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 62. Chance of precipitation is 20%.
A slight chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jun 3
|
Sunny
|
83°F |
0 to 5 mph
S
|
|
Wednesday Night
Jun 3
|
Partly Cloudy
|
57°F |
5 mph
S
|
|
Thursday
Jun 4
|
Mostly Sunny
|
87°F |
5 to 15 mph
SW
|
|
Thursday Night
Jun 4
|
Mostly Cloudy then Chance Rain Showers
|
64°F |
5 to 10 mph
SW
|
|
Friday
Jun 5
|
Showers And Thunderstorms Likely
|
85°F |
10 to 15 mph
SW
|
|
Friday Night
Jun 5
|
Showers And Thunderstorms
|
63°F |
5 to 10 mph
SW
|
|
Saturday
Jun 6
|
Showers And Thunderstorms Likely
|
85°F |
5 mph
W
|
|
Saturday Night
Jun 6
|
Chance Showers And Thunderstorms
|
60°F |
0 to 5 mph
NE
|
|
Sunday
Jun 7
|
Mostly Sunny
|
83°F |
0 to 10 mph
NE
|
|
Sunday Night
Jun 7
|
Partly Cloudy
|
60°F |
5 to 10 mph
E
|
|
Monday
Jun 8
|
Mostly Sunny then Slight Chance Rain Showers
|
87°F |
5 to 10 mph
E
|
|
Monday Night
Jun 8
|
Slight Chance Showers And Thunderstorms
|
62°F |
5 to 10 mph
E
|
|
Tuesday
Jun 9
|
Chance Showers And Thunderstorms
|
88°F |
5 to 10 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Portland.