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Waukesha, WI Weather
Current conditions
Observed at Milwaukee-Timmerman · 1 hr ago
Forecast
10-day-
Monday
Mostly cloudy, with a high near 57. Northeast wind 5 to 10 mph.
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Monday Night
Mostly cloudy, with a low around 47. Northeast wind 5 to 10 mph.
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Tuesday
Mostly cloudy, with a high near 64. Southeast wind 5 to 10 mph.
National Weather Service forecast updated 1 day ago.
Hourly
Hourly forecast- Now55°
- 12 PM56°
- 1 PM56°
- 2 PM56°
- 3 PM55°
- 4 PM54°10%
- 5 PM53°10%
- 6 PM51°10%
- 7 PM50°10%
- 8 PM49°10%
- 9 PM49°10%
- 10 PM48°10%
- 11 PM49°10%
- Tue12 AM48°10%
- 1 AM49°10%
- 2 AM49°10%
- 3 AM48°10%
- 4 AM48°10%
- 5 AM48°10%
- 6 AM47°10%
- 7 AM48°
- 8 AM48°
- 9 AM51°
- 10 AM55°
10-day forecast
Details- SunOct 25Partly Sunny10%50°72°
- TodayOct 26Mostly Cloudy10%47°57°
- TueOct 27Mostly Cloudy10%53°64°
- WedOct 28Mostly Sunny33%53°72°
- ThuOct 29Chance Showers And Thunderstorms33%50°68°
- FriOct 30Slight Chance Rain Showers28%54°70°
- SatOct 31Chance Rain Showers63%52°69°
- SunNov 1Cloudy51°62°
- MonNov 2Cloudy48°59°
- TueNov 3Cloudy46°51°
Days after the National Weather Service's seven are MET Norway's outlook, a computer model with no forecaster's review.
Radar
Full mapWeather news near Waukesha
More weather news-
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Air quality
Air quality is satisfactory, and air pollution poses little or no risk.
Forecast
- MonGood
- TueModerate
- WedModerate
Milwaukee-Ozaukee, WI reporting area · 1 hr ago. Data from AirNow (EPA and its state, local and tribal partners); preliminary and subject to change.
Sun & moon
Almanac
MonthlyMilwaukee Area, records since 1871. Normals 1991–2020. Data from NOAA's Regional Climate Centers (ACIS).
Nearby
- Milwaukee 27 km
- Kenosha 58 km
- Racine 48 km
- West Allis 18 km
- Wauwatosa 19 km
- New Berlin 11 km
- Brookfield 12 km
- Greenfield 19 km
- Franklin 21 km
- Menomonee Falls 21 km
- Oak Creek 33 km
- West Bend 46 km
Forecasters' discussion
From the National Weather Service office in MKX, issued 4 hrs ago
Key Messages
- Cool, crisp start to the week with highs today in the 50s to low 60s. Then milder, above normal temps through at least midweek.
- Scattered sprinkles or very light rain today. Additional chances return Wednesday night through Thursday with additional chances this weekend.
Update
Issued 643 AM CDT Mon Oct 26 2026
A stream of vorticity maximums upstream across IA, NE and KS will track across srn WI today. Very light showers or sprinkles can be expected. Nely winds and mostly cloudy skies will maintain a cooler day, mainly in the 50s.
Gehring
Short Term
Issued 1200 AM CDT Mon Oct 26 2026
Today through Tuesday night:
Cold front will continue to slide southward through the early morning hours. Expect colder air to filter in behind the front and keep temps on the cooler side through the day with northeasterly breezy winds. Highs are only looking to climb into mid 50s to low 60s, especially with lingering cloud cover. High pressure will skirt north overnight and winds will diminish overnight. Still a cool, crisp fall night with lows in the 40s into Tuesday morning. However these cooler fall temps are not looking to stick around as low-level WAA quickly returns to southern WI as mid-level shortwave trough traverse the region along with a weak surface low.
Given this system's track on Tuesday, expect temps to warm back above normal with daytimes temps in the 60s. While PWATs do look to climb to around 1 inch on Tuesday, not looking like we will see precip associated with this system as forcing and moisture are not looking to align over southern WI and better chances remain to north and west. Thus, continue the dry trend for Tuesday into Tuesday night.
Wagner
Long Term
Issued 1200 AM CDT Mon Oct 26 2026
Wednesday through Sunday:
Looking at another surface low and associated mid-level shortwave trough to track across the region for Wednesday. Again this system is trending to remain just far enough west and north from southern WI to limit moisture and precip chances for Wednesday. Still looking at low-level WAA and above normal temps for midweek as well. As the low pressure tracks across Ontario to Hudson Bay Region Wednesday night into Thursday, the associated cold front looks to drag across the Upper Midwest. While upper-level forcing looks to remain closer to the surface low and upper-level trough to our north, mid-range models do prog moisture to increase in the warm sector. Pair the increased moisture with PWATs above 1 inch and forcing along the cold front, this looks to be our best chance to see some measurable rainfall across southern WI Thursday. Behind the front a cooler airmass will settle in toward the end of the week as high pressure builds across the region through the weekend.
Wagner
Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Search index and reflects what the press published. Terms of use. How to use Weather