Sylvan, WI Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Sylvan, WI in one place.
Partly sunny, with a high near 69. Northeast wind 12 to 15 mph, with gusts as high as 26 mph. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Sylvan, 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: Sep 19, 2026 3:37 AM CDT.
The active forecast window currently covers Sep 20 to Sep 25, 2026 for Sylvan, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 20 to Sep 25, 2026
- Latest sync
- Sep 19, 2026 3:37 AM CDT
- Forecast office
- ARX
- Source
- NOAA / NWS
Daily Outlook
This Week in Sylvan
Friday looks like the warmest upcoming period in Sylvan at 71 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 43 degrees F.
The strongest winds are forecast for Sunday at about 12 to 15 mph NE.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 19, 2026 3:37 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- ARX
- Radar station
- KARX
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. Northeast wind around 13 mph, with gusts as high as 24 mph.
A slight chance of rain showers between 7am and 1pm. Mostly cloudy, with a high near 64. Northeast wind around 12 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Mostly cloudy, with a low around 45. Northeast wind 6 to 10 mph, with gusts as high as 18 mph.
Mostly sunny, with a high near 62. Northeast wind 6 to 12 mph, with gusts as high as 20 mph.
Partly cloudy, with a low around 43. Northeast wind 3 to 7 mph.
Mostly sunny, with a high near 67. Northeast wind around 7 mph.
Mostly clear, with a low around 46. Northeast wind 1 to 5 mph.
Mostly sunny, with a high near 68. Northeast wind 2 to 6 mph.
Partly cloudy, with a low around 48. East wind 0 to 3 mph.
Mostly sunny, with a high near 71. East wind 2 to 6 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Sep 20
|
Partly Sunny
|
69°F |
12 to 15 mph
NE
|
|
Sunday Night
Sep 20
|
Mostly Cloudy
|
50°F |
13 mph
NE
|
|
Monday
Sep 21
|
Slight Chance Rain Showers
|
64°F |
12 mph
NE
|
|
Monday Night
Sep 21
|
Mostly Cloudy
|
45°F |
6 to 10 mph
NE
|
|
Tuesday
Sep 22
|
Mostly Sunny
|
62°F |
6 to 12 mph
NE
|
|
Tuesday Night
Sep 22
|
Partly Cloudy
|
43°F |
3 to 7 mph
NE
|
|
Wednesday
Sep 23
|
Mostly Sunny
|
67°F |
7 mph
NE
|
|
Wednesday Night
Sep 23
|
Mostly Clear
|
46°F |
1 to 5 mph
NE
|
|
Thursday
Sep 24
|
Mostly Sunny
|
68°F |
2 to 6 mph
NE
|
|
Thursday Night
Sep 24
|
Partly Cloudy
|
48°F |
0 to 3 mph
E
|
|
Friday
Sep 25
|
Mostly Sunny
|
71°F |
2 to 6 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sylvan.