Waukesha, Wisconsin Weather Forecast

Waukesha County 43.01°N, 88.25°W Pop. 72,299

Today in Waukesha: mostly sunny with a high near 69°F and a low around 49°F. Rain chance 0%. No day tops a 20% rain chance through Thursday. Cooling trend: highs fall from 69°F today to 59°F by Monday.

Forecast updated 3:05 AM CDT, Oct 23

Active Weather Alerts

7-Day Forecast for Waukesha

Today 10/23
Mostly sunny
69°49°
Sat 10/24
Partly cloudy
68°50°
Sun 10/25
Partly cloudy
70°53°
Mon 10/26
Overcast
59°50°
Tue 10/27
Partly cloudy
57°48°
Wed 10/28
Mostly sunny
65°49°
Thu 10/29
Slight rain showers
19%
62°49°
Hourly charts, 15-day outlook and more for Waukesha in Local Wx →

Next 24 Hours

Now1 PM2 PM3 PM4 PM5 PM6 PM7 PM8 PM9 PM10 PM11 PMSat12 AM1 AM2 AM3 AM4 AM5 AM6 AM7 AM8 AM9 AM10 AM11 AM
SkyClear skyClear skyMostly sunnyMostly sunnyMostly sunnyMostly sunnyMostly sunnyMostly sunnyMainly clearPartly cloudyMainly clearMainly clearMainly clearPartly cloudyPartly cloudyMainly clearPartly cloudyPartly cloudyPartly cloudyPartly cloudyPartly cloudyPartly cloudyPartly cloudyMostly sunny
Temp66°68°69°69°69°66°62°59°57°55°54°53°53°52°52°51°51°50°50°50°51°54°58°62°
Rain0%0%0%0%0%0%0%0%0%0%0%0%1%1%1%1%2%2%3%3%4%4%5%4%
WindSSE 5SSE 5SSE 5SSE 6SE 6SE 6SE 5SE 5SE 4SE 3SE 3SE 3SSE 3SSE 3SSE 3S 3S 3S 3S 3S 3S 4S 5S 6S 7

Growing Conditions

Growing degree days
3,023
since Apr 1, base 50°F
Rain, last 30 days
5.11 in
model analysis
Rain, year to date
34.41 in
since Jan 1
2-inch soil temperature
54°F
yesterday, daily average
Reference ET, last 7 days
0.60 in
FAO-56 grass reference
Through Oct 22. Season totals use model analysis for this point and update every morning. Soil, ET and spray tools for Waukesha →

Current Stats & Observations

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NWS Forecast

About Waukesha Weather

Waukesha sits at about 892 feet above sea level in Waukesha County, Wisconsin. About 72,299 people live in the Waukesha area. Official forecasts and warnings for the area come from the National Weather Service MKX office, and the nearest NEXRAD radar site is KMKX. The city is in USDA plant hardiness zone 5b, where the coldest winter night typically falls between -15 to -10°F. Over the past ten years the last spring freeze has come around Apr 26 and the first fall freeze around Oct 30.