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Current weather in Waukesha is few clouds.

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Weather data for Waukesha is updated regularly with the latest available observations and forecasts.

Now · 6:57 AM

Waukesha Weather & Hourly Forecast

United States · Wisconsin · 53188

63°F

Mostly clear night

Feels like: 64°F

💧 Humidity 93% 🌡 Pressure 30.18 inHg 💨 Wind 3 mph 👁 Visibility 15.2 mi ☁ Clouds 16% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Waukesha

Today

7:00 AM

Mostly sunny

63° 💧 None 💨 3 mph H 93%30.18 inHg

10:00 AM

Mostly sunny

73° 💧 None 💨 6 mph H 63%30.18 inHg

1:00 PM

Mostly sunny

77° 💧 None 💨 7 mph H 54%30.18 inHg

4:00 PM

Overcast

76° 💧 None 💨 8 mph H 54%30.12 inHg

7:00 PM

Overcast

69° 💧 None 💨 5 mph H 72%30.12 inHg

10:00 PM

Partly cloudy night

65° 💧 None 💨 5 mph H 83%30.15 inHg

Tomorrow

1:00 AM

Overcast night

65° 💧 None 💨 5 mph H 89%30.12 inHg

4:00 AM

Mostly cloudy night

64° 💧 None 💨 5 mph H 86%30.15 inHg

7:00 AM

Overcast

64° 💧 None 💨 7 mph H 88%30.12 inHg

10:00 AM

Overcast

71° 💧 None 💨 7 mph H 75%30.12 inHg

1:00 PM

Mostly cloudy

76° 💧 None 💨 6 mph H 65%30.06 inHg

4:00 PM

Partly cloudy

79° 💧 None 💨 9 mph H 60%30.00 inHg

7:00 PM

Mostly sunny

77° 💧 None 💨 8 mph H 66%29.97 inHg

10:00 PM

Overcast night

76° 💧 None 💨 11 mph H 65%30.00 inHg

Wednesday

1:00 AM

Overcast night

74° 💧 0.001 in 💨 9 mph H 68%29.94 inHg

4:00 AM

Overcast night

74° 💧 0.064 in 💨 12 mph H 69%29.94 inHg

Today

7:00 AM

Mostly sunny

63° 💧 None 💨 3 mph H 93%30.18 inHg

8:00 AM

Sunny

67° 💧 None 💨 5 mph H 87%30.18 inHg

9:00 AM

Sunny

71° 💧 None 💨 6 mph H 75%30.18 inHg

10:00 AM

Mostly sunny

73° 💧 None 💨 6 mph H 63%30.18 inHg

11:00 AM

Sunny

75° 💧 None 💨 6 mph H 58%30.18 inHg

12:00 PM

Sunny

76° 💧 None 💨 6 mph H 56%30.18 inHg

1:00 PM

Mostly sunny

77° 💧 None 💨 7 mph H 54%30.18 inHg

2:00 PM

Mostly sunny

77° 💧 None 💨 6 mph H 54%30.15 inHg

3:00 PM

Partly cloudy

77° 💧 None 💨 7 mph H 53%30.15 inHg

4:00 PM

Overcast

76° 💧 None 💨 8 mph H 54%30.12 inHg

5:00 PM

Overcast

74° 💧 None 💨 8 mph H 56%30.12 inHg

6:00 PM

Overcast

72° 💧 None 💨 7 mph H 62%30.12 inHg

7:00 PM

Overcast

69° 💧 None 💨 5 mph H 72%30.12 inHg

8:00 PM

Overcast night

66° 💧 None 💨 5 mph H 79%30.12 inHg

9:00 PM

Overcast night

65° 💧 None 💨 5 mph H 82%30.15 inHg

10:00 PM

Partly cloudy night

65° 💧 None 💨 5 mph H 83%30.15 inHg

11:00 PM

Overcast night

64° 💧 None 💨 5 mph H 85%30.15 inHg

Tomorrow

12:00 AM

Overcast night

65° 💧 None 💨 6 mph H 87%30.12 inHg

1:00 AM

Overcast night

65° 💧 None 💨 5 mph H 89%30.12 inHg

2:00 AM

Overcast night

65° 💧 None 💨 7 mph H 89%30.12 inHg

3:00 AM

Overcast night

65° 💧 None 💨 6 mph H 86%30.12 inHg

4:00 AM

Mostly cloudy night

64° 💧 None 💨 5 mph H 86%30.15 inHg

5:00 AM

Overcast night

63° 💧 None 💨 6 mph H 87%30.15 inHg

6:00 AM

Overcast night

63° 💧 None 💨 6 mph H 87%30.12 inHg

7:00 AM

Overcast

64° 💧 None 💨 7 mph H 88%30.12 inHg

8:00 AM

Overcast

66° 💧 None 💨 7 mph H 86%30.12 inHg

9:00 AM

Overcast

69° 💧 None 💨 7 mph H 79%30.12 inHg

10:00 AM

Overcast

71° 💧 None 💨 7 mph H 75%30.12 inHg

11:00 AM

Overcast

73° 💧 None 💨 6 mph H 72%30.12 inHg

12:00 PM

Overcast

75° 💧 None 💨 6 mph H 68%30.09 inHg

1:00 PM

Mostly cloudy

76° 💧 None 💨 6 mph H 65%30.06 inHg

2:00 PM

Overcast

78° 💧 None 💨 7 mph H 61%30.06 inHg

3:00 PM

Overcast

79° 💧 None 💨 8 mph H 60%30.03 inHg

4:00 PM

Partly cloudy

79° 💧 None 💨 9 mph H 60%30.00 inHg

5:00 PM

Mostly sunny

80° 💧 None 💨 9 mph H 58%30.00 inHg

6:00 PM

Sunny

79° 💧 None 💨 8 mph H 62%30.00 inHg

7:00 PM

Mostly sunny

77° 💧 None 💨 8 mph H 66%29.97 inHg

8:00 PM

Mostly clear night

75° 💧 None 💨 10 mph H 68%29.97 inHg

9:00 PM

Overcast night

75° 💧 None 💨 11 mph H 67%30.00 inHg

10:00 PM

Overcast night

76° 💧 None 💨 11 mph H 65%30.00 inHg

11:00 PM

Overcast night

75° 💧 None 💨 10 mph H 65%29.97 inHg

Wednesday

12:00 AM

Mostly cloudy night

75° 💧 None 💨 10 mph H 66%29.97 inHg

1:00 AM

Overcast night

74° 💧 None 💨 9 mph H 68%29.94 inHg

2:00 AM

Overcast night

74° 💧 None 💨 10 mph H 66%29.94 inHg

3:00 AM

Overcast night

74° 💧 0.001 in 💨 11 mph H 66%29.91 inHg

4:00 AM

Overcast night

74° 💧 0.001 in 💨 12 mph H 69%29.94 inHg

5:00 AM

Light rain

73° 💧 0.007 in 💨 12 mph H 74%29.94 inHg

6:00 AM

Light rain

69° 💧 0.055 in 💨 11 mph H 93%29.97 inHg

7:00 AM

Light thunderstorms

69° 💧 0.098 in 💨 11 mph H 95%29.94 inHg

8:00 AM

Light rain

69° 💧 0.052 in 💨 10 mph H 96%29.94 inHg

9:00 AM

Light rain

70° 💧 0.022 in 💨 10 mph H 96%29.97 inHg

10:00 AM

Light rain

71° 💧 0.023 in 💨 10 mph H 96%29.97 inHg

11:00 AM

Light rain

72° 💧 0.006 in 💨 10 mph H 97%29.97 inHg

12:00 PM

Overcast

74° 💧 0.001 in 💨 10 mph H 90%29.97 inHg

1:00 PM

Overcast

73° 💧 0.004 in 💨 8 mph H 94%29.94 inHg

2:00 PM

Overcast

74° 💧 0.001 in 💨 9 mph H 92%29.94 inHg

3:00 PM

Overcast

76° 💧 None 💨 9 mph H 84%29.94 inHg

4:00 PM

Overcast

77° 💧 None 💨 9 mph H 74%29.91 inHg

5:00 PM

Overcast

77° 💧 None 💨 8 mph H 73%29.91 inHg

6:00 PM

Overcast

76° 💧 None 💨 8 mph H 75%29.91 inHg

7:00 PM

Sunny

74° 💧 None 💨 8 mph H 79%29.91 inHg

10:00 PM

Clear night

70° 💧 None 💨 8 mph H 88%29.94 inHg

Thursday

1:00 AM

Clear night

65° 💧 None 💨 6 mph H 81%29.97 inHg

4:00 AM

Clear night

62° 💧 None 💨 6 mph H 87%30.00 inHg

7:00 AM

Overcast

60° 💧 None 💨 6 mph H 91%30.03 inHg

10:00 AM

Mostly cloudy

67° 💧 None 💨 6 mph H 74%30.03 inHg

1:00 PM

Sunny

72° 💧 None 💨 6 mph H 54%30.03 inHg

4:00 PM

Sunny

72° 💧 None 💨 7 mph H 53%29.97 inHg

7:00 PM

Sunny

67° 💧 None 💨 3 mph H 73%29.97 inHg

10:00 PM

Clear night

63° 💧 None 💨 1 mph H 79%30.00 inHg

Friday

1:00 AM

Clear night

59° 💧 None 💨 3 mph H 85%30.00 inHg

4:00 AM

Clear night

58° 💧 None 💨 1 mph H 88%30.00 inHg

7:00 AM

Sunny

58° 💧 None 💨 4 mph H 86%30.03 inHg

10:00 AM

Sunny

70° 💧 None 💨 6 mph H 62%30.03 inHg

1:00 PM

Sunny

74° 💧 None 💨 7 mph H 55%29.97 inHg

4:00 PM

Sunny

76° 💧 None 💨 7 mph H 56%29.91 inHg

7:00 PM

Sunny

68° 💧 None 💨 8 mph H 73%29.88 inHg

10:00 PM

Clear night

64° 💧 None 💨 9 mph H 76%29.88 inHg

Saturday

1:00 AM

Mostly clear night

63° 💧 None 💨 8 mph H 78%29.88 inHg

4:00 AM

Mostly clear night

62° 💧 None 💨 9 mph H 82%29.83 inHg

7:00 AM

Mostly sunny

64° 💧 None 💨 8 mph H 87%29.83 inHg

10:00 AM

Partly cloudy

69° 💧 None 💨 11 mph H 91%29.83 inHg

1:00 PM

Overcast

76° 💧 None 💨 12 mph H 77%29.83 inHg

4:00 PM

Mostly sunny

79° 💧 None 💨 11 mph H 68%29.85 inHg

7:00 PM

Sunny

73° 💧 None 💨 6 mph H 76%29.91 inHg

Sunday

1:00 AM

Mostly clear night

61° 💧 None 💨 7 mph H 84%30.06 inHg

7:00 AM

Sunny

57° 💧 None 💨 6 mph H 91%30.12 inHg

1:00 PM

Partly cloudy

72° 💧 None 💨 5 mph H 53%30.15 inHg

7:00 PM

Overcast

66° 💧 None 💨 6 mph H 69%30.12 inHg

Monday

1:00 AM

Heavy rain

61° 💧 None 💨 6 mph H 91%30.18 inHg

7:00 AM

Overcast

61° 💧 None 💨 11 mph H 92%30.09 inHg

1:00 PM

Light thunderstorms

68° 💧 None 💨 10 mph H 95%29.97 inHg

7:00 PM

Overcast

77° 💧 None 💨 14 mph H 86%29.74 inHg

Tuesday

1:00 AM

Moderate rain

71° 💧 None 💨 19 mph H 97%29.74 inHg

7:00 AM

Sunny

61° 💧 None 💨 14 mph H 81%29.91 inHg

1:00 PM

Overcast

67° 💧 None 💨 15 mph H 59%30.06 inHg

7:00 PM

Mostly sunny

62° 💧 None 💨 6 mph H 69%30.15 inHg

Wednesday

1:00 AM

Clear night

55° 💧 None 💨 5 mph H 83%30.27 inHg

7:00 AM

Sunny

53° 💧 None 💨 6 mph H 91%30.36 inHg

1:00 PM

Mostly sunny

67° 💧 None 💨 7 mph H 54%30.36 inHg

7:00 PM

Sunny

62° 💧 None 💨 3 mph H 76%30.33 inHg

Thursday

1:00 AM

Mostly clear night

57° 💧 None 💨 7 mph H 83%30.36 inHg

7:00 AM

Overcast

53° 💧 None 💨 7 mph H 88%30.42 inHg

1:00 PM

Mostly cloudy

62° 💧 None 💨 8 mph H 58%30.39 inHg

7:00 PM

Mostly sunny

57° 💧 None 💨 4 mph H 73%30.30 inHg

Friday

1:00 AM

Clear night

52° 💧 None 💨 6 mph H 84%30.30 inHg

7:00 AM

Sunny

49° 💧 None 💨 8 mph H 88%30.27 inHg

1:00 PM

Sunny

65° 💧 None 💨 12 mph H 52%30.18 inHg

7:00 PM

Clear night

62° 💧 None 💨 8 mph H 63%30.12 inHg

Saturday

1:00 AM

Clear night

56° 💧 None 💨 6 mph H 80%30.12 inHg

7:00 AM

Sunny

52° 💧 None 💨 6 mph H 91%30.15 inHg

1:00 PM

Sunny

67° 💧 None 💨 4 mph H 54%30.15 inHg

7:00 PM

Clear night

62° 💧 None 💨 3 mph H 75%30.09 inHg

Sunday

1:00 AM

Clear night

56° 💧 None 💨 6 mph H 89%30.06 inHg

7:00 AM

Partly cloudy

55° 💧 None 💨 7 mph H 90%30.03 inHg

1:00 PM

Overcast

72° 💧 None 💨 13 mph H 55%29.97 inHg

7:00 PM

Overcast night

67° 💧 None 💨 9 mph H 67%29.88 inHg

Monday

1:00 AM

Overcast night

64° 💧 None 💨 7 mph H 72%29.91 inHg

7:00 AM

Partly cloudy

60° 💧 None 💨 4 mph H 87%29.94 inHg

1:00 PM

Moderate rain

63° 💧 None 💨 10 mph H 95%30.00 inHg

7:00 PM

Overcast night

57° 💧 None 💨 11 mph H 74%30.03 inHg

In Waukesha and, more broadly, across the state of Wisconsin: The morning begins with a mix of sun and clouds, providing a pleasant start to the day. Temperatures are expected to be mild, ranging from around 56 degrees in the early hours to a warm high of about 79 degrees later in the afternoon. Winds will be moderate, blowing from the southeast at up to 11 mph, with gusts reaching 26 mph. No precipitation is expected throughout the day, making for generally dry conditions. The afternoon will bring continued mixed skies and breezy conditions, providing a comfortable yet dynamic weather pattern. Overall, it looks like a mild and partly sunny day with enough wind to keep things interesting.

15-Day Weather Outlook for Waukesha

TomorrowTomorrow

Overcast 80°/63° 💧 None 💨 9 mph

Wednesday, Sep 9Wed Sep 9

Light thunderstorms 77°/69° 💧 None 💨 12 mph

Thursday, Sep 10Thu Sep 10

Overcast 74°/60° 💧 0.283 in 💨 8 mph

Friday, Sep 11Fri Sep 11

Sunny 76°/58° 💧 None 💨 7 mph

Saturday, Sep 12Sat Sep 12

Overcast 79°/62° 💧 0.197 in 💨 12 mph

Sunday, Sep 13Sun Sep 13

Mostly sunny 73°/57° 💧 0.000 in 💨 7 mph

Monday, Sep 14Mon Sep 14

Light thunderstorms 68°/61° 💧 1.184 in 💨 11 mph

Tuesday, Sep 15Tue Sep 15

Moderate rain 77°/61° 💧 0.870 in 💨 19 mph

Wednesday, Sep 16Wed Sep 16

Mostly sunny 67°/53° 💧 None 💨 7 mph

Thursday, Sep 17Thu Sep 17

Mostly sunny 62°/53° 💧 None 💨 8 mph

Friday, Sep 18Fri Sep 18

Mostly sunny 65°/49° 💧 None 💨 12 mph

Saturday, Sep 19Sat Sep 19

Sunny 67°/52° 💧 None 💨 8 mph

Sunday, Sep 20Sun Sep 20

Partly cloudy 72°/55° 💧 None 💨 13 mph

Monday, Sep 21Mon Sep 21

Moderate rain 67°/60° 💧 0.093 in 💨 10 mph

Tuesday, Sep 22Tue Sep 22

Overcast 57°/57° 💧 0.044 in 💨 11 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Waukesha

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Waukesha

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 7:00 AM

PM2.5 Fine particles Good 4,2µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 5,5µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Good 31,7µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 9,7µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Waukesha

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 7,1High 😊Good

Tomorrow UV 6,5High 😐Moderate

Wednesday UV 4,0Moderate 🙂Fair

Thursday UV 5,8Moderate 🙂Fair

Friday UV 7,0High 😊Good

Saturday UV 6,0High —Unavailable

Sunday UV 5,0Moderate —Unavailable

Hourly UV index today

7:00 AMUV 0,0 8:00 AMUV 0,6 9:00 AMUV 1,7 10:00 AMUV 3,4 11:00 AMUV 5,2 12:00 PMUV 6,6 1:00 PMUV 7,1 2:00 PMUV 6,4 3:00 PMUV 4,8 4:00 PMUV 2,9 5:00 PMUV 1,2 6:00 PMUV 0,4

Today's weather health advice Open today's recommendations.

Strong UV exposure

Protect exposed skin with SPF 30+ sunscreen, wear sunglasses, and try to limit direct midday sun.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Waukesha

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · WAUKESHA, WISCONSIN

Tonight's Stargazing & Shooting Stars

Good observing conditions. Best local viewing window: 10:00 PM–11:00 PM.

66/100Best-hour score

BEST TIME TONIGHT 10:00 PM–11:00 PM Astronomical darkness: 8:56 PM–4:46 AM

☁ Cloud cover 47% Real hourly forecast for the best viewing hour.

☾ Moonlight 15% Waning Crescent · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 18° high at the best hour.

✦ Estimated visible meteors 0–1/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min28%

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 5–SEP 21

September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak

ACTIVE NOW

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

UPCOMING

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

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Forecast data for Waukesha were last refreshed today at 6:57 AM. The current forecast period extends through 09/09/2026 at 4:00 AM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.