Porterfield, WI Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Porterfield, WI in one place.
Sunny, with a high near 76. Heat index values as high as 75. South wind 1 to 8 mph.
Local Weather Overview
This forecast page for Porterfield, 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: May 30, 2026 8:42 PM CDT.
The active forecast window currently covers May 31 to Jun 6, 2026 for Porterfield, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 31 to Jun 6, 2026
- Latest sync
- May 30, 2026 8:42 PM CDT
- Forecast office
- GRB
- Source
- NOAA / NWS
Daily Outlook
This Week in Porterfield
Thursday looks like the warmest upcoming period in Porterfield at 84 degrees F.
Monday Night is the coolest period ahead with temperatures near 47 degrees F.
The strongest winds are forecast for Thursday at about 5 to 14 mph SW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- May 30, 2026 8:42 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- GRB
- Radar station
- KGRB
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 50. West northwest wind 0 to 8 mph.
Sunny, with a high near 76. Heat index values as high as 75. East northeast wind 2 to 12 mph, with gusts as high as 18 mph.
Mostly clear, with a low around 47. Northeast wind 2 to 9 mph.
Sunny, with a high near 78.
Mostly clear, with a low around 49.
Sunny, with a high near 83.
Partly cloudy, with a low around 57.
A chance of rain showers after 7am. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
A chance of rain showers before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Chance of precipitation is 50%.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 79. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
May 31
|
Sunny
|
76°F |
1 to 8 mph
S
|
|
Sunday Night
May 31
|
Mostly Clear
|
50°F |
0 to 8 mph
WNW
|
|
Monday
Jun 1
|
Sunny
|
76°F |
2 to 12 mph
ENE
|
|
Monday Night
Jun 1
|
Mostly Clear
|
47°F |
2 to 9 mph
NE
|
|
Tuesday
Jun 2
|
Sunny
|
78°F |
2 to 8 mph
E
|
|
Tuesday Night
Jun 2
|
Mostly Clear
|
49°F |
0 to 6 mph
S
|
|
Wednesday
Jun 3
|
Sunny
|
83°F |
1 to 10 mph
SSW
|
|
Wednesday Night
Jun 3
|
Partly Cloudy
|
57°F |
5 to 10 mph
S
|
|
Thursday
Jun 4
|
Chance Rain Showers
|
84°F |
5 to 14 mph
SW
|
|
Thursday Night
Jun 4
|
Chance Showers And Thunderstorms
|
60°F |
7 to 12 mph
SW
|
|
Friday
Jun 5
|
Chance Showers And Thunderstorms
|
82°F |
7 to 12 mph
SW
|
|
Friday Night
Jun 5
|
Chance Showers And Thunderstorms
|
56°F |
5 to 10 mph
NE
|
|
Saturday
Jun 6
|
Chance Rain Showers
|
79°F |
6 to 10 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Porterfield.
