Local weather forecast

Weather in Casco, WI

Updated 2026-08-11 10:15 local time · ZIP codes 54205

Cloudy
Now69°F

Cloudy

High / Low74° / 64°
Rain chance26%
Wind7 mph
Weather alerts

Active alerts

1
Dense Fog Advisory issued August 10 at 10:51PM CDT until August 11 at 10:00AM CDT by NWS Green Bay WI

* WHAT...Dense fog will reduce visibility to 1/2 NM or less. * WHERE...Lake Michigan nearshore waters from Washington Island to Sheboygan. * WHEN...Until 10 AM CDT Tuesday. * IMPACTS...Low visibility will make navigation difficult.

Safety instructions

If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass.

Hourly

Next hours

NowCloudy69°23% rain
11 AMSunny72°13% rain
12 PMPartly Cloudy72°15% rain
1 PMPartly Cloudy72°16% rain
2 PMSunny73°14% rain
3 PMSunny74°12% rain
4 PMPartly Cloudy72°16% rain
5 PMPartly Cloudy70°20% rain
6 PMPartly Cloudy70°15% rain
7 PMPartly Cloudy68°17% rain
8 PMMist66°18% rain
9 PMMist65°19% rain
Forecast

3-day weather forecast

Today2026-08-11
Fog
74° 64°Fog
Rain 26%Gust 10 mph
Tomorrow2026-08-12
Sunny
78° 64°Sunny
Rain 66%Gust 10 mph
Thursday2026-08-13
Sunny
74° 64°Sunny
Rain 20%Gust 17 mph
Conditions

Weather details

Feels like71°F
Humidity91%
Pressure29.90 inHg
Visibility6 mi
Wind7 mph SSE
Wind gusts8 mph
Precipitation0.00 in
UV index2
Daylight

Sunrise, sunset and moon

Sunrise05:48 AM
Sunset08:02 PM
Moonrise03:42 AM
Moon phaseNew Moon
Practical guide

Weather insights for today

Umbrella not essential

Rain chance stays relatively low over the next 12 hours (up to 23%).

Light layers should work

It feels like 71°F with winds near 7 mph.

Best window: 11 AM

72°F, 13% rain chance and 8 mph wind.

Allow a little extra driving time

Visibility is around 6 mi; gusts may reach 20 mph.

Good conditions for an easy run

Current temperature is 69°F, wind 7 mph, rain chance up to 23%.

Low UV protection needs

UV index is 2.

Casco weather today

Cloudy and 69°F in Casco, WI. Today's high is 74°F with a 26% rain chance. Winds are around 7 mph with gusts near 8 mph. Relative humidity is 91%, pressure is 29.90 inHg, and visibility is about 6 miles.

Tonight and tomorrow in Casco

Sunrise is at 05:48 AM and sunset is at 08:02 PM. Tomorrow's forecast calls for Sunny with a high near 78°F and a low near 64°F. The maximum rain chance is 66%.

Nearby

Weather near Casco

Wisconsin

Popular cities in Wisconsin

View state page →