Oconomowoc Lake, WI Weather Forecast
Local 7-day forecast
Showers And Thunderstorms then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Oconomowoc Lake, WI in one place.
Showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Mostly cloudy. High near 61, with temperatures falling to around 56 in the afternoon. Chance of precipitation is 90%.
Local Weather Overview
This forecast page for Oconomowoc Lake, 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: Apr 14, 2026 2:04 AM CDT.
The active forecast window currently covers Apr 18 to Apr 20, 2026 for Oconomowoc Lake, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 18 to Apr 20, 2026
- Latest sync
- Apr 14, 2026 2:04 AM CDT
- Forecast office
- MKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Oconomowoc Lake
Saturday looks like the warmest upcoming period in Oconomowoc Lake at 61 degrees F.
Saturday Night is the coolest period ahead with temperatures near 32 degrees F.
The strongest winds are forecast for Saturday at about 10 to 15 mph SW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 14, 2026 2:04 AM CDT
- Coverage
- 3 days
- Time zone
- America/Chicago
- Forecast office
- MKX
- Radar station
- KMKX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms before 10pm, then a slight chance of rain and snow showers between 10pm and 1am. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.
Partly sunny, with a high near 49.
Partly cloudy, with a low around 32.
Mostly sunny, with a high near 60.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 18
|
Showers And Thunderstorms then Chance Showers And Thunderstorms
|
61°F |
10 to 15 mph
SW
|
|
Saturday Night
Apr 18
|
Slight Chance Rain And Snow Showers
|
32°F |
10 to 15 mph
W
|
|
Sunday
Apr 19
|
Partly Sunny
|
49°F |
10 to 15 mph
W
|
|
Sunday Night
Apr 19
|
Partly Cloudy
|
32°F |
5 to 10 mph
W
|
|
Monday
Apr 20
|
Mostly Sunny
|
60°F |
5 to 10 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Oconomowoc Lake.