Oconomowoc Lake, WI Weather Forecast

Local 7-day forecast

56°
F

Widespread Frost then Sunny

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

Saturday, October 17, 2026
Wind: 0 to 10 mph W
Saturday

Widespread frost before 9am. Sunny, with a high near 56. West wind 0 to 10 mph.

Local 7-day forecast

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: Oct 16, 2026 11:33 PM CDT.

The active forecast window currently covers Oct 17 to Oct 23, 2026 for Oconomowoc Lake, WI.

Page Snapshot

Page focus
city weather
Forecast window
Oct 17 to Oct 23, 2026
Latest sync
Oct 16, 2026 11:33 PM CDT
Forecast office
MKX
Source
NOAA / NWS
Next High
56°F
Saturday
Next Low
36°F
Saturday Night
Rain Outlook
0
Periods mentioning precipitation
Windiest
10 to 15 mph
Sunday

Daily Outlook

Today
Oct 17
Widespread Frost then Sunny
56 °F
/ 36°F
Wind 0 to 10 mph
Sun
Oct 18
Sunny
63 °F
/ 38°F
Wind 10 to 15 mph
Mon
Oct 19
Sunny
66 °F
/ 40°F
Wind 0 to 5 mph
Tue
Oct 20
Sunny
68 °F
/ 42°F
Wind 0 to 5 mph
Wed
Oct 21
Sunny
70 °F
/ 45°F
Wind 0 to 5 mph
Thu
Oct 22
Mostly Sunny
71 °F
/ 47°F
Wind 0 to 5 mph
Fri
Oct 23
Mostly Sunny
71 °F
Wind 0 to 5 mph

This Week in Oconomowoc Lake

Thursday looks like the warmest upcoming period in Oconomowoc Lake at 71 degrees F.

Saturday Night is the coolest period ahead with temperatures near 36 degrees F.

The strongest winds are forecast for Sunday at about 10 to 15 mph SW.

The forecast from Oct 17 through Oct 23 stays mostly dry.

Forecast Details

Last updated
Oct 16, 2026 11:33 PM CDT
Coverage
7 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 source

Extended Forecast

Saturday Night
Oct 17
36°F
Clear
10 mph SW

Clear, with a low around 36. Southwest wind around 10 mph.

Sunday
Oct 18
63°F
Sunny
10 to 15 mph SW

Sunny, with a high near 63. Southwest wind 10 to 15 mph.

Sunday Night
Oct 18
38°F
Clear
0 to 10 mph SW

Clear, with a low around 38. Southwest wind 0 to 10 mph.

Monday
Oct 19
66°F
Sunny
0 to 5 mph SW

Sunny, with a high near 66. Southwest wind 0 to 5 mph.

Monday Night
Oct 19
40°F
Partly Cloudy
0 mph

Partly cloudy, with a low around 40. South wind around 0 mph.

Tuesday
Oct 20
68°F
Sunny
0 to 5 mph E

Sunny, with a high near 68. East wind 0 to 5 mph.

Tuesday Night
Oct 20
42°F
Mostly Clear
0 to 5 mph E

Mostly clear, with a low around 42.

Wednesday
Oct 21
70°F
Sunny
0 to 5 mph SE

Sunny, with a high near 70.

Wednesday Night
Oct 21
45°F
Mostly Clear
0 to 5 mph S

Mostly clear, with a low around 45.

Thursday
Oct 22
71°F
Mostly Sunny
0 to 5 mph SW

Mostly sunny, with a high near 71.

Thursday Night
Oct 22
47°F
Partly Cloudy
0 to 5 mph E

Partly cloudy, with a low around 47.

Friday
Oct 23
71°F
Mostly Sunny
0 to 5 mph SE

Mostly sunny, with a high near 71.

Detailed Forecast

Period Conditions Temp Wind
Saturday
Oct 17
Widespread Frost then Sunny
56°F
0 to 10 mph
W
Saturday Night
Oct 17
Clear
36°F
10 mph
SW
Sunday
Oct 18
Sunny
63°F
10 to 15 mph
SW
Sunday Night
Oct 18
Clear
38°F
0 to 10 mph
SW
Monday
Oct 19
Sunny
66°F
0 to 5 mph
SW
Monday Night
Oct 19
Partly Cloudy
40°F
0 mph
Tuesday
Oct 20
Sunny
68°F
0 to 5 mph
E
Tuesday Night
Oct 20
Mostly Clear
42°F
0 to 5 mph
E
Wednesday
Oct 21
Sunny
70°F
0 to 5 mph
SE
Wednesday Night
Oct 21
Mostly Clear
45°F
0 to 5 mph
S
Thursday
Oct 22
Mostly Sunny
71°F
0 to 5 mph
SW
Thursday Night
Oct 22
Partly Cloudy
47°F
0 to 5 mph
E
Friday
Oct 23
Mostly Sunny
71°F
0 to 5 mph
SE
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.