Porterfield, WI Weather Forecast
Local 7-day forecast
Smoke
Track current conditions, temperature changes, wind, and the full daily outlook for Porterfield, WI in one place.
Smoke. Partly sunny. High near 94, with temperatures falling to around 91 in the afternoon. Heat index values as high as 92. North northeast wind 3 to 9 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: Jul 14, 2026 10:35 PM CDT.
The active forecast window currently covers Jul 15 to Jul 21, 2026 for Porterfield, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 15 to Jul 21, 2026
- Latest sync
- Jul 14, 2026 10:35 PM CDT
- Forecast office
- GRB
- Source
- NOAA / NWS
Daily Outlook
This Week in Porterfield
Wednesday looks like the warmest upcoming period in Porterfield at 94 degrees F.
Monday Night is the coolest period ahead with temperatures near 59 degrees F.
The strongest winds are forecast for Tuesday at about 9 to 14 mph N.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 10:35 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
Smoke. Mostly cloudy, with a low around 63. Northeast wind 0 to 9 mph.
Smoke before 2pm. Mostly sunny, with a high near 89. Heat index values as high as 86. East wind 1 to 9 mph.
A slight chance of rain showers after 1am. Partly cloudy, with a low around 63. East wind 2 to 8 mph. Chance of precipitation is 20%.
A slight chance of rain showers before 7am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 1am, then showers and thunderstorms likely. Partly cloudy, with a low around 65. Chance of precipitation is 60%.
Showers and thunderstorms likely before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 60%.
A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 60. Chance of precipitation is 30%.
Mostly sunny, with a high near 86.
A chance of rain showers after 7pm. Partly cloudy, with a low around 63. Chance of precipitation is 30%.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 59. Chance of precipitation is 50%.
A slight chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 79. Chance of precipitation is 20%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jul 15
|
Smoke
|
94°F |
3 to 9 mph
NNE
|
|
Wednesday Night
Jul 15
|
Smoke
|
63°F |
0 to 9 mph
NE
|
|
Thursday
Jul 16
|
Smoke
|
89°F |
1 to 9 mph
E
|
|
Thursday Night
Jul 16
|
Partly Cloudy then Slight Chance Rain Showers
|
63°F |
2 to 8 mph
E
|
|
Friday
Jul 17
|
Chance Showers And Thunderstorms
|
86°F |
2 to 9 mph
ESE
|
|
Friday Night
Jul 17
|
Chance Showers And Thunderstorms
|
65°F |
5 to 8 mph
S
|
|
Saturday
Jul 18
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
87°F |
6 to 12 mph
WNW
|
|
Saturday Night
Jul 18
|
Chance Showers And Thunderstorms then Partly Cloudy
|
60°F |
2 to 10 mph
N
|
|
Sunday
Jul 19
|
Mostly Sunny
|
86°F |
2 to 9 mph
SSW
|
|
Sunday Night
Jul 19
|
Chance Rain Showers
|
63°F |
5 to 8 mph
SSW
|
|
Monday
Jul 20
|
Chance Rain Showers
|
87°F |
7 to 13 mph
W
|
|
Monday Night
Jul 20
|
Chance Showers And Thunderstorms
|
59°F |
10 mph
NW
|
|
Tuesday
Jul 21
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
79°F |
9 to 14 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Porterfield.
