Casco, WI Weather Forecast
Local 7-day forecast
Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Casco, WI in one place.
Mostly cloudy, with a high near 66. Northwest wind 8 to 15 mph, with gusts as high as 24 mph.
Local Weather Overview
This forecast page for Casco, 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: Oct 13, 2026 12:52 PM CDT.
The active forecast window currently covers Oct 13 to Oct 19, 2026 for Casco, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 19, 2026
- Latest sync
- Oct 13, 2026 12:52 PM CDT
- Forecast office
- GRB
- Source
- NOAA / NWS
Daily Outlook
This Week in Casco
Today looks like the warmest upcoming period in Casco at 66 degrees F.
Friday Night is the coolest period ahead with temperatures near 32 degrees F.
The strongest winds are forecast for Friday at about 18 to 24 mph NW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 13, 2026 12:52 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
Mostly cloudy, with a low around 50. North northwest wind around 6 mph.
Partly sunny, with a high near 59. North wind 3 to 10 mph.
Mostly cloudy, with a low around 42. Northeast wind around 6 mph.
A chance of rain showers after 1pm. Mostly cloudy, with a high near 57. East southeast wind 2 to 6 mph. Chance of precipitation is 50%.
Rain showers likely before 1am. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.
Mostly sunny, with a high near 53.
Widespread frost after 2am. Mostly clear, with a low around 32.
Widespread frost before 9am. Sunny, with a high near 56.
Clear, with a low around 35.
Sunny, with a high near 62.
Partly cloudy, with a low around 41.
Mostly sunny, with a high near 63.
Partly cloudy, with a low around 42.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Oct 13
|
Mostly Cloudy
|
66°F |
8 to 15 mph
NW
|
|
Tonight
Oct 13
|
Mostly Cloudy
|
50°F |
6 mph
NNW
|
|
Wednesday
Oct 14
|
Partly Sunny
|
59°F |
3 to 10 mph
N
|
|
Wednesday Night
Oct 14
|
Mostly Cloudy
|
42°F |
6 mph
NE
|
|
Thursday
Oct 15
|
Mostly Cloudy then Chance Rain Showers
|
57°F |
2 to 6 mph
ESE
|
|
Thursday Night
Oct 15
|
Rain Showers Likely
|
39°F |
1 to 17 mph
NNW
|
|
Friday
Oct 16
|
Mostly Sunny
|
53°F |
18 to 24 mph
NW
|
|
Friday Night
Oct 16
|
Mostly Clear then Widespread Frost
|
32°F |
5 to 18 mph
NW
|
|
Saturday
Oct 17
|
Widespread Frost then Sunny
|
56°F |
5 to 12 mph
W
|
|
Saturday Night
Oct 17
|
Clear
|
35°F |
8 to 13 mph
SW
|
|
Sunday
Oct 18
|
Sunny
|
62°F |
13 to 17 mph
SW
|
|
Sunday Night
Oct 18
|
Partly Cloudy
|
41°F |
7 to 14 mph
SW
|
|
Monday
Oct 19
|
Mostly Sunny
|
63°F |
7 mph
SW
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
42°F |
5 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Casco.