Lancaster, WI Weather Forecast
Local 7-day forecast
Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Lancaster, WI in one place.
A chance of rain showers. Mostly cloudy, with a high near 79. South wind 7 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Lancaster, 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 28, 2026 12:04 AM CDT.
The active forecast window currently covers Aug 29 to Sep 3, 2026 for Lancaster, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 29 to Sep 3, 2026
- Latest sync
- Aug 28, 2026 12:04 AM CDT
- Forecast office
- ARX
- Source
- NOAA / NWS
Daily Outlook
This Week in Lancaster
Sunday looks like the warmest upcoming period in Lancaster at 87 degrees F.
Saturday Night is the coolest period ahead with temperatures near 68 degrees F.
The strongest winds are forecast for Sunday at about 13 to 16 mph S.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 28, 2026 12:04 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
A chance of rain showers before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 68. South wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 87. South wind 13 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 72. South wind 10 to 14 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 87. Southwest wind around 12 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 70. South wind around 7 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Partly sunny, with a high near 86. South wind 3 to 7 mph. Chance of precipitation is 40%.
A slight chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 69. South wind around 5 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 86. South wind 3 to 7 mph. Chance of precipitation is 40%.
A slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 69. South wind around 5 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 85. South wind around 8 mph. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Aug 29
|
Chance Rain Showers
|
79°F |
7 to 14 mph
S
|
|
Saturday Night
Aug 29
|
Chance Showers And Thunderstorms
|
68°F |
14 mph
S
|
|
Sunday
Aug 30
|
Chance Showers And Thunderstorms then Mostly Sunny
|
87°F |
13 to 16 mph
S
|
|
Sunday Night
Aug 30
|
Chance Showers And Thunderstorms
|
72°F |
10 to 14 mph
S
|
|
Monday
Aug 31
|
Chance Showers And Thunderstorms
|
87°F |
12 mph
SW
|
|
Monday Night
Aug 31
|
Mostly Cloudy then Chance Showers And Thunderstorms
|
70°F |
7 mph
S
|
|
Tuesday
Sep 1
|
Chance Showers And Thunderstorms
|
86°F |
3 to 7 mph
S
|
|
Tuesday Night
Sep 1
|
Slight Chance Showers And Thunderstorms
|
69°F |
5 mph
S
|
|
Wednesday
Sep 2
|
Chance Showers And Thunderstorms
|
86°F |
3 to 7 mph
S
|
|
Wednesday Night
Sep 2
|
Slight Chance Showers And Thunderstorms
|
69°F |
5 mph
S
|
|
Thursday
Sep 3
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
85°F |
8 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Lancaster.
