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.

Fair

64°F

18°C

Humidity 43%
Wind Speed W 13 G 22 mph
Barometer 29.90 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 28 Apr 4:45 pm CDT
Extended Forecast for

Waukesha WI

  • Tonight

    Tonight: Mostly cloudy, with a low around 43. West wind around 5 mph becoming northeast after midnight.

    Low: 43 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 55. North wind 5 to 10 mph. Chance of precipitation is 30%.

    High: 55 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 10pm. Areas of frost after 5am. Otherwise, partly cloudy, with a low around 37. Northwest wind around 5 mph becoming calm in the evening.

    Low: 37 °F

    Slight Chance
    T-storms then
    Areas Frost

  • Thursday

    Thursday: A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 52. Light northwest wind increasing to 5 to 10 mph in the morning.

    High: 52 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Areas of frost after 2am. Otherwise, partly cloudy, with a low around 34. North wind around 5 mph becoming calm in the evening.

    Low: 34 °F

    Partly Cloudy
    then Areas
    Frost

  • Friday

    Friday: Areas of frost before 8am. Otherwise, partly sunny, with a high near 50. Light north wind increasing to 5 to 10 mph in the morning.

    High: 50 °F

    Areas Frost
    then Partly
    Sunny

  • Friday Night

    Friday Night: Widespread frost, mainly after 3am. Otherwise, partly cloudy, with a low around 32. Northeast wind around 5 mph becoming calm in the evening.

    Low: 32 °F

    Mostly Cloudy
    then Frost

  • Saturday

    Saturday: Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 54. Light north wind becoming northwest 5 to 10 mph in the morning.

    High: 54 °F

    Frost then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 43. West wind around 5 mph becoming northeast after midnight.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 55. North wind 5 to 10 mph. Chance of precipitation is 30%.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 10pm. Areas of frost after 5am. Otherwise, partly cloudy, with a low around 37. Northwest wind around 5 mph becoming calm in the evening.
Thursday
A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 52. Light northwest wind increasing to 5 to 10 mph in the morning.
Thursday Night
Areas of frost after 2am. Otherwise, partly cloudy, with a low around 34. North wind around 5 mph becoming calm in the evening.
Friday
Areas of frost before 8am. Otherwise, partly sunny, with a high near 50. Light north wind increasing to 5 to 10 mph in the morning.
Friday Night
Widespread frost, mainly after 3am. Otherwise, partly cloudy, with a low around 32. Northeast wind around 5 mph becoming calm in the evening.
Saturday
Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 54. Light north wind becoming northwest 5 to 10 mph in the morning.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Mostly sunny, with a high near 60.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 40.
Monday
A 20 percent chance of showers. Mostly sunny, with a high near 64.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 43.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 65.
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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:
4:36 pm CDT Apr 28, 2026
Forecast Valid:
5pm CDT Apr 28, 2026-6pm CDT May 5, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation