Waukesha, WI Weather Forecast
Local 7-day forecast
Partly Sunny then Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Waukesha, WI in one place.
A chance of rain showers after 2pm. Partly sunny, with a high near 69. South wind 0 to 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Waukesha, 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 8, 2026 9:40 AM CDT.
The active forecast window currently covers Oct 9 to Oct 14, 2026 for Waukesha, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 9 to Oct 14, 2026
- Latest sync
- Oct 8, 2026 9:40 AM CDT
- Forecast office
- MKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Waukesha
Saturday looks like the warmest upcoming period in Waukesha at 80 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 42 degrees F.
The strongest winds are forecast for Saturday at about 10 to 15 mph S.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 8, 2026 9:40 AM CDT
- Coverage
- 6 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 slight chance of rain showers before 7pm. Partly cloudy, with a low around 57. South wind 5 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Sunny, with a high near 80. South wind 10 to 15 mph.
Mostly cloudy, with a low around 58. South wind 5 to 10 mph.
Mostly sunny, with a high near 73. South wind around 5 mph.
Partly cloudy, with a low around 55. South wind 0 to 5 mph.
A slight chance of rain showers after 1pm. Mostly sunny, with a high near 75. Chance of precipitation is 20%.
A slight chance of rain showers before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 51. Chance of precipitation is 40%.
A chance of rain showers before 7am. Partly sunny, with a high near 61. Chance of precipitation is 30%.
Partly cloudy, with a low around 42.
Mostly sunny, with a high near 60.
A slight chance of rain showers after 7pm. Partly cloudy, with a low around 46. Chance of precipitation is 20%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Oct 9
|
Partly Sunny then Chance Rain Showers
|
69°F |
0 to 10 mph
S
|
|
Friday Night
Oct 9
|
Slight Chance Rain Showers then Partly Cloudy
|
57°F |
5 to 10 mph
S
|
|
Saturday
Oct 10
|
Sunny
|
80°F |
10 to 15 mph
S
|
|
Saturday Night
Oct 10
|
Mostly Cloudy
|
58°F |
5 to 10 mph
S
|
|
Sunday
Oct 11
|
Mostly Sunny
|
73°F |
5 mph
S
|
|
Sunday Night
Oct 11
|
Partly Cloudy
|
55°F |
0 to 5 mph
S
|
|
Columbus Day
Oct 12
|
Mostly Sunny then Slight Chance Rain Showers
|
75°F |
5 to 10 mph
SW
|
|
Monday Night
Oct 12
|
Chance Showers And Thunderstorms
|
51°F |
10 mph
W
|
|
Tuesday
Oct 13
|
Chance Rain Showers then Partly Sunny
|
61°F |
10 to 15 mph
NW
|
|
Tuesday Night
Oct 13
|
Partly Cloudy
|
42°F |
0 to 5 mph
N
|
|
Wednesday
Oct 14
|
Mostly Sunny
|
60°F |
0 to 10 mph
SW
|
|
Wednesday Night
Oct 14
|
Slight Chance Rain Showers
|
46°F |
5 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Waukesha.
