Oconomowoc, WI Weather Forecast
Local 7-day forecast
Slight Chance Rain Showers then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Oconomowoc, WI in one place.
A slight chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 90. South wind 0 to 5 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Oconomowoc, 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: Jul 14, 2026 9:33 PM CDT.
The active forecast window currently covers Jul 17 to Jul 21, 2026 for Oconomowoc, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 17 to Jul 21, 2026
- Latest sync
- Jul 14, 2026 9:33 PM CDT
- Forecast office
- MKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Oconomowoc
Friday looks like the warmest upcoming period in Oconomowoc at 90 degrees F.
Monday Night is the coolest period ahead with temperatures near 64 degrees F.
The strongest winds are forecast for Saturday at about 5 to 10 mph W.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 9:33 PM CDT
- Coverage
- 5 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 1am. Partly cloudy, with a low around 69. Southwest wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms after 1pm. Sunny, with a high near 90. West wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms before 1am. Mostly clear, with a low around 65. Chance of precipitation is 30%.
Sunny, with a high near 87.
A slight chance of rain showers after 1am. Partly cloudy, with a low around 65. Chance of precipitation is 20%.
A slight chance of rain showers. Mostly sunny, with a high near 87. Chance of precipitation is 20%.
A chance of rain showers. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
A slight chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 82. Chance of precipitation is 20%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Jul 17
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
90°F |
0 to 5 mph
S
|
|
Friday Night
Jul 17
|
Chance Showers And Thunderstorms
|
69°F |
5 mph
SW
|
|
Saturday
Jul 18
|
Sunny then Chance Showers And Thunderstorms
|
90°F |
5 to 10 mph
W
|
|
Saturday Night
Jul 18
|
Chance Showers And Thunderstorms
|
65°F |
0 to 10 mph
N
|
|
Sunday
Jul 19
|
Sunny
|
87°F |
0 to 5 mph
NW
|
|
Sunday Night
Jul 19
|
Partly Cloudy then Slight Chance Rain Showers
|
65°F |
0 to 5 mph
SW
|
|
Monday
Jul 20
|
Slight Chance Rain Showers
|
87°F |
5 to 10 mph
W
|
|
Monday Night
Jul 20
|
Chance Rain Showers
|
64°F |
5 to 10 mph
W
|
|
Tuesday
Jul 21
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
82°F |
5 to 10 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Oconomowoc.
