Seneca, WI Weather Forecast

Local 7-day forecast

63°
F

Mostly Cloudy

Track current conditions, temperature changes, wind, and the full daily outlook for Seneca, WI in one place.

Saturday, August 29, 2026
Wind: 6 mph S
Overnight

Mostly cloudy, with a low around 63. South wind around 6 mph.

Local 7-day forecast

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
Next High
79°F
Saturday
Next Low
63°F
Overnight
Rain Outlook
13
Periods mentioning precipitation
Windiest
6 to 12 mph
Saturday

Daily Outlook

Today
Aug 29
Showers And Thunderstorms
79 °F
/ 63°F
Wind 6 to 12 mph
Sun
Aug 30
Chance Rain Showers
86 °F
/ 70°F
Wind 9 mph
Mon
Aug 31
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
89 °F
/ 70°F
Wind 8 mph
Tue
Sep 1
Chance Showers And Thunderstorms
89 °F
/ 69°F
Wind 2 to 6 mph
Wed
Sep 2
Chance Showers And Thunderstorms
88 °F
/ 67°F
Wind 5 mph
Thu
Sep 3
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
86 °F
/ 67°F
Wind 5 mph
Fri
Sep 4
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
86 °F
Wind 3 to 7 mph

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 source

Extended Forecast

Saturday
Aug 29
79°F
Showers And Thunderstorms
6 to 12 mph S

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.

Saturday Night
Aug 29
68°F
Mostly Cloudy
10 mph S

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.

Sunday
Aug 30
86°F
Chance Rain Showers
9 mph SW

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%.

Sunday Night
Aug 30
70°F
Mostly Cloudy then Chance Showers And Thunderstorms
7 mph SE

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.

Monday
Aug 31
89°F
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
8 mph S

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.

Monday Night
Aug 31
70°F
Mostly Cloudy then Chance Showers And Thunderstorms
2 to 6 mph SW

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%.

Tuesday
Sep 1
89°F
Chance Showers And Thunderstorms
2 to 6 mph SW

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%.

Tuesday Night
Sep 1
69°F
Chance Showers And Thunderstorms
5 mph S

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%.

Wednesday
Sep 2
88°F
Chance Showers And Thunderstorms
5 mph N

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%.

Wednesday Night
Sep 2
67°F
Slight Chance Showers And Thunderstorms
3 mph NE

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%.

Thursday
Sep 3
86°F
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
5 mph SE

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%.

Thursday Night
Sep 3
67°F
Chance Showers And Thunderstorms
3 mph SE

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%.

Friday
Sep 4
86°F
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
3 to 7 mph S

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
St. Patrick%27s Catholic Church  Seneca  WI
St. Patrick%27s Catholic Church Seneca WI image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.