Portage, WI Weather Forecast

Local 7-day forecast

82°
F

Showers And Thunderstorms

Track current conditions, temperature changes, wind, and the full daily outlook for Portage, WI in one place.

Thursday, June 11, 2026
Wind: 0 to 15 mph SW
Thursday

Showers and thunderstorms after 9am. Partly sunny. High near 82, with temperatures falling to around 76 in the afternoon. Southwest wind 0 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

Local 7-day forecast

Local Weather Overview

This forecast page for Portage, 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 10, 2026 11:54 AM CDT.

The active forecast window currently covers Jun 11 to Jun 16, 2026 for Portage, WI.

Page Snapshot

Page focus
city weather
Forecast window
Jun 11 to Jun 16, 2026
Latest sync
Jun 10, 2026 11:54 AM CDT
Forecast office
MKX
Source
NOAA / NWS
Next High
82°F
Thursday
Next Low
56°F
Thursday Night
Rain Outlook
10
Periods mentioning precipitation
Windiest
0 to 15 mph
Thursday

Daily Outlook

Today
Jun 11
Showers And Thunderstorms
82 °F
/ 56°F
Wind 0 to 15 mph
Fri
Jun 12
Sunny
79 °F
/ 60°F
Wind 10 to 15 mph
Sat
Jun 13
Mostly Sunny then Chance Showers And Thunderstorms
82 °F
/ 55°F
Wind 10 to 15 mph
Sun
Jun 14
Slight Chance Rain Showers then Mostly Sunny
73 °F
/ 51°F
Wind 5 to 10 mph
Mon
Jun 15
Slight Chance Rain Showers
72 °F
/ 53°F
Wind 0 to 10 mph
Tue
Jun 16
Chance Showers And Thunderstorms
74 °F
/ 53°F
Wind 0 to 10 mph

This Week in Portage

Thursday looks like the warmest upcoming period in Portage at 82 degrees F.

Sunday Night is the coolest period ahead with temperatures near 51 degrees F.

The strongest winds are forecast for Thursday at about 0 to 15 mph SW.

Precipitation is mentioned in 10 upcoming forecast periods.

Forecast Details

Last updated
Jun 10, 2026 11:54 AM CDT
Coverage
6 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 source

Extended Forecast

Thursday Night
Jun 11
56°F
Showers And Thunderstorms then Showers And Thunderstorms Likely
5 to 10 mph W

Showers and thunderstorms before 7pm, then showers and thunderstorms likely between 7pm and 1am. Partly cloudy, with a low around 56. West wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

Friday
Jun 12
79°F
Sunny
10 to 15 mph W

Sunny, with a high near 79. West wind 10 to 15 mph.

Friday Night
Jun 12
60°F
Mostly Clear
5 to 10 mph SW

Mostly clear, with a low around 60. Southwest wind 5 to 10 mph.

Saturday
Jun 13
82°F
Mostly Sunny then Chance Showers And Thunderstorms
10 to 15 mph SW

A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82. Southwest wind 10 to 15 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.

Saturday Night
Jun 13
55°F
Chance Showers And Thunderstorms
5 to 10 mph W

A chance of showers and thunderstorms. Partly cloudy, with a low around 55. West wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

Sunday
Jun 14
73°F
Slight Chance Rain Showers then Mostly Sunny
5 to 10 mph NW

A slight chance of rain showers before 7am. Mostly sunny, with a high near 73. Chance of precipitation is 20%.

Sunday Night
Jun 14
51°F
Partly Cloudy then Slight Chance Rain Showers
0 to 10 mph W

A slight chance of rain showers after 1am. Partly cloudy, with a low around 51. Chance of precipitation is 20%.

Monday
Jun 15
72°F
Slight Chance Rain Showers
0 to 10 mph NW

A slight chance of rain showers. Mostly sunny, with a high near 72. Chance of precipitation is 20%.

Monday Night
Jun 15
53°F
Slight Chance Showers And Thunderstorms
0 to 5 mph W

A slight chance of rain showers before 7pm, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 53. Chance of precipitation is 20%.

Tuesday
Jun 16
74°F
Chance Showers And Thunderstorms
0 to 10 mph W

A chance of showers and thunderstorms. Partly sunny, with a high near 74. Chance of precipitation is 40%.

Tuesday Night
Jun 16
53°F
Chance Showers And Thunderstorms
0 to 5 mph W

A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 53. Chance of precipitation is 40%.

Detailed Forecast

Period Conditions Temp Wind
Thursday
Jun 11
Showers And Thunderstorms
82°F
0 to 15 mph
SW
Thursday Night
Jun 11
Showers And Thunderstorms then Showers And Thunderstorms Likely
56°F
5 to 10 mph
W
Friday
Jun 12
Sunny
79°F
10 to 15 mph
W
Friday Night
Jun 12
Mostly Clear
60°F
5 to 10 mph
SW
Saturday
Jun 13
Mostly Sunny then Chance Showers And Thunderstorms
82°F
10 to 15 mph
SW
Saturday Night
Jun 13
Chance Showers And Thunderstorms
55°F
5 to 10 mph
W
Sunday
Jun 14
Slight Chance Rain Showers then Mostly Sunny
73°F
5 to 10 mph
NW
Sunday Night
Jun 14
Partly Cloudy then Slight Chance Rain Showers
51°F
0 to 10 mph
W
Monday
Jun 15
Slight Chance Rain Showers
72°F
0 to 10 mph
NW
Monday Night
Jun 15
Slight Chance Showers And Thunderstorms
53°F
0 to 5 mph
W
Tuesday
Jun 16
Chance Showers And Thunderstorms
74°F
0 to 10 mph
W
Tuesday Night
Jun 16
Chance Showers And Thunderstorms
53°F
0 to 5 mph
W
PortageRetailHistoricDistrictCookBetweenWisconsinDeWittWIS33
PortageRetailHistoricDistrictCookBetweenWisconsinDeWittWIS33 image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.