City of Portage Weather Forecast

Local 7-day forecast

70°
F

Mostly Sunny

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

Wednesday, September 16, 2026
Wind: 0 to 5 mph NE
Wednesday

Mostly sunny, with a high near 70. Northeast wind 0 to 5 mph.

Local 7-day forecast

Local Weather Overview

This forecast page for City of Portage 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: Sep 15, 2026 7:16 AM CDT.

The active forecast window currently covers Sep 16 to Sep 21, 2026 for City of Portage.

Page Snapshot

Page focus
city weather
Forecast window
Sep 16 to Sep 21, 2026
Latest sync
Sep 15, 2026 7:16 AM CDT
Forecast office
MKX
Source
NOAA / NWS
Next High
70°F
Wednesday
Next Low
55°F
Wednesday Night
Rain Outlook
8
Periods mentioning precipitation
Windiest
10 to 15 mph
Friday Night

Daily Outlook

Today
Sep 16
Mostly Sunny
70 °F
/ 55°F
Wind 0 to 5 mph
Thu
Sep 17
Chance Rain Showers then Mostly Cloudy
73 °F
/ 54°F
Wind 0 to 5 mph
Fri
Sep 18
Rain Showers Likely
70 °F
/ 57°F
Wind 5 to 10 mph
Sat
Sep 19
Showers And Thunderstorms
73 °F
/ 54°F
Wind 10 to 15 mph
Sun
Sep 20
Chance Showers And Thunderstorms
67 °F
/ 48°F
Wind 5 to 10 mph
Mon
Sep 21
Mostly Sunny
67 °F
Wind 5 to 10 mph

This Week in City of Portage

Thursday looks like the warmest upcoming period in City of Portage at 73 degrees F.

Sunday Night is the coolest period ahead with temperatures near 48 degrees F.

The strongest winds are forecast for Friday Night at about 10 to 15 mph SE.

Precipitation is mentioned in 8 upcoming forecast periods.

Forecast Details

Last updated
Sep 15, 2026 7:16 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

Wednesday Night
Sep 16
55°F
Slight Chance Showers And Thunderstorms
0 to 5 mph E

A slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 55. East wind 0 to 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.

Thursday
Sep 17
73°F
Chance Rain Showers then Mostly Cloudy
0 to 5 mph NE

A chance of rain showers before 7am. Mostly cloudy, with a high near 73. Northeast wind 0 to 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.

Thursday Night
Sep 17
54°F
Mostly Cloudy then Slight Chance Rain Showers
0 to 5 mph NE

A slight chance of rain showers after 1am. Mostly cloudy, with a low around 54. Northeast wind 0 to 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Friday
Sep 18
70°F
Rain Showers Likely
5 to 10 mph E

Rain showers likely. Mostly cloudy, with a high near 70. East wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

Friday Night
Sep 18
57°F
Showers And Thunderstorms
10 to 15 mph SE

Rain showers likely before 7pm, then showers and thunderstorms. Mostly cloudy, with a low around 57. Chance of precipitation is 90%.

Saturday
Sep 19
73°F
Showers And Thunderstorms
10 to 15 mph SW

Showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 73. Chance of precipitation is 90%.

Saturday Night
Sep 19
54°F
Chance Showers And Thunderstorms
5 to 10 mph NW

A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Chance of precipitation is 50%.

Sunday
Sep 20
67°F
Chance Showers And Thunderstorms
5 to 10 mph NE

A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 67. Chance of precipitation is 30%.

Sunday Night
Sep 20
48°F
Mostly Cloudy
5 mph NE

Mostly cloudy, with a low around 48.

Monday
Sep 21
67°F
Mostly Sunny
5 to 10 mph NE

Mostly sunny, with a high near 67.

Detailed Forecast

Period Conditions Temp Wind
Wednesday
Sep 16
Mostly Sunny
70°F
0 to 5 mph
NE
Wednesday Night
Sep 16
Slight Chance Showers And Thunderstorms
55°F
0 to 5 mph
E
Thursday
Sep 17
Chance Rain Showers then Mostly Cloudy
73°F
0 to 5 mph
NE
Thursday Night
Sep 17
Mostly Cloudy then Slight Chance Rain Showers
54°F
0 to 5 mph
NE
Friday
Sep 18
Rain Showers Likely
70°F
5 to 10 mph
E
Friday Night
Sep 18
Showers And Thunderstorms
57°F
10 to 15 mph
SE
Saturday
Sep 19
Showers And Thunderstorms
73°F
10 to 15 mph
SW
Saturday Night
Sep 19
Chance Showers And Thunderstorms
54°F
5 to 10 mph
NW
Sunday
Sep 20
Chance Showers And Thunderstorms
67°F
5 to 10 mph
NE
Sunday Night
Sep 20
Mostly Cloudy
48°F
5 mph
NE
Monday
Sep 21
Mostly Sunny
67°F
5 to 10 mph
NE
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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.