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

57°F

14°C

Humidity 94%
Wind Speed SW 9 G 18 mph
Barometer 29.62 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 7 Mar 6:45 am CST
Extended Forecast for

Merton WI

  • Today

    Today: A 20 percent chance of showers before 11am. Cloudy, with a temperature falling to around 42 by 5pm. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 58 °F⇓

    Slight Chance
    Showers then
    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 32. Southwest wind 10 to 15 mph.

    Low: 32 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 59. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 59 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 45. Southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 45 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 68. West wind 5 to 15 mph.

    High: 68 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 38. West wind 5 to 10 mph becoming northeast after midnight.

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 50 percent chance of showers after noon. Increasing clouds, with a high near 52. East wind 10 to 15 mph.

    High: 52 °F

    Sunny then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Rain before midnight, then rain and snow likely. Low around 32. North wind around 15 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 32 °F

    Rain then
    Rain/Snow
    Likely

  • Wednesday

    Wednesday: A chance of rain and snow before noon, then a chance of snow. Cloudy, with a high near 40. Chance of precipitation is 50%.

    High: 40 °F

    Chance
    Rain/Snow
    then Chance
    Snow

Detailed Forecast

Today
A 20 percent chance of showers before 11am. Cloudy, with a temperature falling to around 42 by 5pm. West wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 32. Southwest wind 10 to 15 mph.
Sunday
Sunny, with a high near 59. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph.
Sunday Night
Partly cloudy, with a low around 45. Southwest wind around 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 68. West wind 5 to 15 mph.
Monday Night
Mostly clear, with a low around 38. West wind 5 to 10 mph becoming northeast after midnight.
Tuesday
A 50 percent chance of showers after noon. Increasing clouds, with a high near 52. East wind 10 to 15 mph.
Tuesday Night
Rain before midnight, then rain and snow likely. Low around 32. North wind around 15 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
A chance of rain and snow before noon, then a chance of snow. Cloudy, with a high near 40. Chance of precipitation is 50%.
Wednesday Night
A 20 percent chance of snow before midnight. Partly cloudy, with a low around 23.
Thursday
Partly sunny, with a high near 43.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 40%.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 49. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Merton WI
 43.14°N 88.32°W (Elev. 958 ft)
Last Update:
6:33 am CST Mar 7, 2026
Forecast Valid:
7am CST Mar 7, 2026-6pm CDT Mar 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation