Seneca, WI Weather Forecast
Local 7-day forecast
Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Seneca, WI in one place.
Mostly cloudy, with a low around 63. South wind around 6 mph.
Local Weather Overview
This forecast page for Seneca, 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: Aug 29, 2026 3:34 AM CDT.
The active forecast window currently covers Aug 29 to Sep 4, 2026 for Seneca, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 29 to Sep 4, 2026
- Latest sync
- Aug 29, 2026 3:34 AM CDT
- Forecast office
- ARX
- Source
- NOAA / NWS
Daily Outlook
This Week in Seneca
Monday looks like the warmest upcoming period in Seneca at 89 degrees F.
Overnight is the coolest period ahead with temperatures near 63 degrees F.
The strongest winds are forecast for Saturday at about 6 to 12 mph S.
Precipitation is mentioned in 13 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 29, 2026 3:34 AM CDT
- Coverage
- 7 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
Rain showers likely between 7am and 10am, then showers and thunderstorms between 10am and 2pm, then a slight chance of showers and thunderstorms between 2pm and 3pm, then a chance of showers and thunderstorms between 3pm and 4pm. Mostly cloudy. High near 79, with temperatures falling to around 77 in the afternoon. South wind 6 to 12 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch possible.
Mostly cloudy. Low around 68, with temperatures rising to around 70 overnight. South wind around 10 mph, with gusts as high as 21 mph. New rainfall amounts less than a tenth of an inch possible.
A chance of rain showers between 10am and 4pm. Mostly sunny, with a high near 86. Southwest wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms between 1am and 4am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Southeast wind around 7 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms between 7am and 1pm. Partly sunny, with a high near 89. South wind around 8 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 70. Southwest wind 2 to 6 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 89. Southwest wind 2 to 6 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 69. South wind around 5 mph. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 88. North wind around 5 mph. Chance of precipitation is 50%.
A slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 67. Northeast wind around 3 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms between 7am and 1pm. Mostly sunny, with a high near 86. Southeast wind around 5 mph. Chance of precipitation is 30%.
A slight chance of rain showers between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 67. Southeast wind around 3 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms between 7am and 1pm. Mostly sunny, with a high near 86. South wind 3 to 7 mph. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Aug 29
|
Mostly Cloudy
|
63°F |
6 mph
S
|
|
Saturday
Aug 29
|
Showers And Thunderstorms
|
79°F |
6 to 12 mph
S
|
|
Saturday Night
Aug 29
|
Mostly Cloudy
|
68°F |
10 mph
S
|
|
Sunday
Aug 30
|
Chance Rain Showers
|
86°F |
9 mph
SW
|
|
Sunday Night
Aug 30
|
Mostly Cloudy then Chance Showers And Thunderstorms
|
70°F |
7 mph
SE
|
|
Monday
Aug 31
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
89°F |
8 mph
S
|
|
Monday Night
Aug 31
|
Mostly Cloudy then Chance Showers And Thunderstorms
|
70°F |
2 to 6 mph
SW
|
|
Tuesday
Sep 1
|
Chance Showers And Thunderstorms
|
89°F |
2 to 6 mph
SW
|
|
Tuesday Night
Sep 1
|
Chance Showers And Thunderstorms
|
69°F |
5 mph
S
|
|
Wednesday
Sep 2
|
Chance Showers And Thunderstorms
|
88°F |
5 mph
N
|
|
Wednesday Night
Sep 2
|
Slight Chance Showers And Thunderstorms
|
67°F |
3 mph
NE
|
|
Thursday
Sep 3
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
86°F |
5 mph
SE
|
|
Thursday Night
Sep 3
|
Chance Showers And Thunderstorms
|
67°F |
3 mph
SE
|
|
Friday
Sep 4
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
86°F |
3 to 7 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Seneca.