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Port Wing, WI Weather Forecast | 5 Day

Updated: Sun Sep 27th 2026 10:15 AM CDT

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Overcast

Sun 9-27-26

Overcast with a high of 70°F and a low of 58°F. There might be light rainfall having a 16% chance. Winds will be light at 7mph and gusts of 8.2mph at 1 PM. The humidity will be on the higher side, averaging about 76%, the maximum being 94% at 11 PM and 71% being its lowest at 4 PM. Barometric pressure is its highest of 30.09^inHg at 11 AM, a lowest point of 30.04^inHg at 4 PM with an avg 30.07^inHg.

HI: 70°F
LO: 58°F

Rainfall: 16%
Snowfall: 0%

Wind
6.3 mph
Humidity
76% avg.

UV Index
2.7
Air Quality
Good

Sunrise
06:59 AM
Sunset
06:53 PM

Moonrise
06:58 PM
Moonset
08:09 AM
Moon Phase
Waning Gibbous

Overcast

Weather Tomorrow, Mon 9-28-26

Overcast with a high of 64°F and a low of 57°F. There's a moderate 27% chance of rainfall with an estimated 0in. Winds will be light at 10mph and gusts of 13.7mph at 5 PM. High humidity with average of 90% is anticipated, the maximum being 98% at 5 AM and 80% being its lowest at 1 PM. Barometric pressure is its highest of 30.12^inHg at 8 AM, a lowest point of 29.91^inHg at 11 PM with an avg 30.05^inHg.

HI: 64°F
LO: 57°F

Rainfall: 27% | est. 0in
Snowfall: 0%

Wind
9.2 mph
Humidity
90% avg.

UV Index
3.9
Air Quality
Good

Sunrise
07:00 AM
Sunset
06:51 PM

Moonrise
07:17 PM
Moonset
09:20 AM
Moon Phase
Waning Gibbous

Overcast

Tue 9-29-26

Overcast with a high of 70°F and a low of 57°F. It will likey rain, having a 88% chance of a downpour with an estimated 0.92in. Wind will be moderate, blowing around 13mph on average and gusts of 25.5mph at 10 AM. The humidity will be on the higher side, averaging about 80%, the maximum being 96% at 7 PM and 63% being its lowest at 11 AM. Barometric pressure is its highest of 29.89^inHg at 12 AM, a lowest point of 29.75^inHg at 11 PM with an avg 29.82^inHg.

HI: 70°F
LO: 57°F

Rainfall: 88% | est. 0.92in
Snowfall: 0%

Wind
12.3 mph
Humidity
80% avg.

UV Index
2.1
Air Quality
Good

Sunrise
07:01 AM
Sunset
06:49 PM

Moonrise
07:42 PM
Moonset
10:35 AM
Moon Phase
Waning Gibbous

Fog

Wed 9-30-26

Fog with a high of 64°F and a low of 58°F. It will likey rain, having a 93% chance of a downpour with an estimated 0.2in. Winds will be light at 9mph and gusts of 18.8mph at 12 AM. High humidity with average of 98% is anticipated, the maximum being 99% at 7 PM and 97% being its lowest at 12 AM. Barometric pressure is its highest of 29.74^inHg at 12 AM, a lowest point of 29.58^inHg at 11 PM with an avg 29.63^inHg.

HI: 64°F
LO: 58°F

Rainfall: 93% | est. 0.2in
Snowfall: 0%

Wind
8.1 mph
Humidity
98% avg.

UV Index
4
Air Quality
Good

Sunrise
07:03 AM
Sunset
06:47 PM

Moonrise
08:15 PM
Moonset
11:50 AM
Moon Phase
Waning Gibbous

Overcast

Thu 10-1-26

Overcast with a high of 67°F and a low of 52°F. There might be light rainfall having a 13% chance. Wind will be moderate, blowing around 19mph on average and gusts of 29.1mph at 2 PM. The humidity will be on the higher side, averaging about 74%, the maximum being 99% at 12 AM and 47% being its lowest at 2 PM. Barometric pressure is its highest of 30.05^inHg at 11 PM, a lowest point of 29.56^inHg at 2 AM with an avg 29.82^inHg.

HI: 67°F
LO: 52°F

Rainfall: 13%
Snowfall: 0%

Wind
18.6 mph
Humidity
74% avg.

UV Index
5
Air Quality
Good

Sunrise
07:04 AM
Sunset
06:46 PM

Moonrise
08:58 PM
Moonset
01:04 PM
Moon Phase
Last Quarter

Sunny

Fri 10-2-26

Sunny with a high of 58°F and a low of 52°F. There's a very small chance of rainfall, only about 7%. Winds will be light at 9mph and gusts of 17mph at 1 PM. The humidity will be on the higher side, averaging about 66%, the maximum being 79% at 7 AM and 56% being its lowest at 4 PM. Barometric pressure is its highest of 30.23^inHg at 10 PM, a lowest point of 30.06^inHg at 12 AM with an avg 30.17^inHg.

HI: 58°F
LO: 52°F

Rainfall: 7%
Snowfall: 0%

Wind
8.1 mph
Humidity
66% avg.

UV Index
4
Air Quality
TBA

Sunrise
07:05 AM
Sunset
06:44 PM

Moonrise
09:56 PM
Moonset
02:10 PM
Moon Phase
Last Quarter

Port Wing, WI Weather Forecast - 10 Day Detailed

This 5-Day weather forecast is valid for ZIP code 54865, accurately covering the area of Port Wing, WI.

Currently

	59°F	30.09 inHg. Barometer 75% Humidity SW 8.6 mph Wind
Cloudy

Full Report

National Outlook

Strong Nor'easter Hits Mid-Atlantic and Northeast - 09-27 to 09-29

Sun Sep 27th 2026, 2:59am PDT

Read

Heavy Rain and Flooding Threat in Central U.S. - 09-30 to 10-04

Extended Forecast
Sun Sep 27th 2026, 3:01am PDT

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5 Day Forecast Nearby

Wisconsin

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