National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Waukesha County Airport (KUES)

Lat: 43.04°NLon: 88.25°WElev: 886ft.

Overcast

63°F

17°C

Humidity 73%
Wind Speed W 17 G 24 mph
Barometer 30.01 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 19 May 5:45 pm CDT
Extended Forecast for

Waukesha WI

  • Tonight

    Tonight: Mostly cloudy, with a low around 45. West wind 5 to 15 mph.

    Low: 45 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 59. North wind around 10 mph becoming northeast in the afternoon.

    High: 59 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 41. Northeast wind 5 to 10 mph.

    Low: 41 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 58. East wind 5 to 10 mph.

    High: 58 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 44. East wind 5 to 10 mph.

    Low: 44 °F

    Mostly Cloudy

  • Friday

    Friday: A 50 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 60. East wind 10 to 15 mph.

    High: 60 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 47. East wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 47 °F

    Showers
    Likely

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 67. Northeast wind around 5 mph becoming northwest in the afternoon.

    High: 67 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 45. West wind 5 to 15 mph.
Wednesday
Mostly sunny, with a high near 59. North wind around 10 mph becoming northeast in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 41. Northeast wind 5 to 10 mph.
Thursday
Partly sunny, with a high near 58. East wind 5 to 10 mph.
Thursday Night
Mostly cloudy, with a low around 44. East wind 5 to 10 mph.
Friday
A 50 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 60. East wind 10 to 15 mph.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 47. East wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 67. Northeast wind around 5 mph becoming northwest in the afternoon.
Saturday Night
Mostly cloudy, with a low around 50.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 74.
Sunday Night
Partly cloudy, with a low around 52.
Memorial Day
Mostly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
A 20 percent chance of showers. Partly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Waukesha WI
 43.01°N 88.24°W (Elev. 922 ft)
Last Update:
3:52 pm CDT May 19, 2026
Forecast Valid:
5pm CDT May 19, 2026-6pm CDT May 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation