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

Hazardous Weather Conditions

Current conditions at

Waukesha County Airport (KUES)

Lat: 43.04°NLon: 88.25°WElev: 886ft.

Mostly Cloudy

45°F

7°C

Humidity 66%
Wind Speed SE 9 mph
Barometer 29.98 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 30 Apr 5:45 pm CDT
Extended Forecast for

Waukesha WI

Frost Advisory May 1, 12:00am until May 1, 08:00am
Click here for hazard details and duration
Frost Advisory

  • This Afternoon

    This Afternoon: Showers. Steady temperature around 45. Southeast wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 45 °F

    Showers

  • Tonight

    Tonight: Rain showers likely before 3am, then a chance of sprinkles and flurries between 3am and 4am. Patchy frost after 2am. Otherwise, mostly cloudy, with a low around 34. East wind around 5 mph becoming northwest after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Showers
    Likely then
    Scattered
    Rain/Flurries

  • Friday

    Friday: A 30 percent chance of showers, mainly after 4pm. Widespread frost, mainly before 7am. Otherwise, partly sunny, with a high near 49. North wind around 5 mph.

    High: 49 °F

    Frost then
    Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers before 7pm. Widespread frost, mainly after 1am. Otherwise, partly cloudy, with a low around 32. East wind around 5 mph becoming calm in the evening.

    Low: 32 °F

    Chance
    Showers then
    Frost

  • Saturday

    Saturday: Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 53. Calm wind becoming north around 5 mph in the afternoon.

    High: 53 °F

    Frost then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38. Southwest wind around 5 mph.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers. Partly sunny, with a high near 62. Southwest wind 10 to 15 mph.

    High: 62 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 45. Southwest wind 5 to 10 mph.

    Low: 45 °F

    Slight Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 71. Breezy.

    High: 71 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms and
    Breezy

Detailed Forecast

This Afternoon
Showers. Steady temperature around 45. Southeast wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain showers likely before 3am, then a chance of sprinkles and flurries between 3am and 4am. Patchy frost after 2am. Otherwise, mostly cloudy, with a low around 34. East wind around 5 mph becoming northwest after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 30 percent chance of showers, mainly after 4pm. Widespread frost, mainly before 7am. Otherwise, partly sunny, with a high near 49. North wind around 5 mph.
Friday Night
A 30 percent chance of showers before 7pm. Widespread frost, mainly after 1am. Otherwise, partly cloudy, with a low around 32. East wind around 5 mph becoming calm in the evening.
Saturday
Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 53. Calm wind becoming north around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 38. Southwest wind around 5 mph.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 62. Southwest wind 10 to 15 mph.
Sunday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 45. Southwest wind 5 to 10 mph.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 71. Breezy.
Monday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 45. Chance of precipitation is 30%.
Tuesday
A 40 percent chance of showers. Partly sunny, with a high near 61.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 40.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 56.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 38.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 57.
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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:
2:57 pm CDT Apr 30, 2026
Forecast Valid:
5pm CDT Apr 30, 2026-6pm CDT May 7, 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