What is the weather in Williams Bay right now?

Current weather in Williams Bay is clear sky.

Where can I find the hourly weather forecast for Williams Bay?

This page shows hourly weather forecast for Williams Bay, including temperature, wind, precipitation, humidity and cloud cover.

Is the weather forecast for Williams Bay updated regularly?

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

Now · 1:56 AM

Williams Bay Weather & Hourly Forecast

United States · Wisconsin · 53191

63°F

Clear night

Feels like: 61°F

💧 Humidity 75% 🌡 Pressure 29.97 inHg 💨 Wind 6 mph 👁 Visibility 19.7 mi ☁ Clouds 8% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Williams Bay

Today

2:00 AM

Clear night

61° 💧 None 💨 5 mph H 79%29.97 inHg

5:00 AM

Mostly cloudy night

59° 💧 0.004 in 💨 8 mph H 77%30.00 inHg

8:00 AM

Sunny

59° 💧 None 💨 6 mph H 78%30.06 inHg

11:00 AM

Mostly cloudy

66° 💧 0.015 in 💨 7 mph H 56%30.09 inHg

2:00 PM

Light rain

63° 💧 0.031 in 💨 7 mph H 67%30.12 inHg

5:00 PM

Sunny

65° 💧 None 💨 7 mph H 65%30.06 inHg

8:00 PM

Clear night

58° 💧 None 💨 4 mph H 77%30.12 inHg

11:00 PM

Clear night

57° 💧 None 💨 3 mph H 83%30.18 inHg

Tomorrow

2:00 AM

Clear night

55° 💧 None 💨 3 mph H 86%30.21 inHg

5:00 AM

Clear night

53° 💧 None 💨 5 mph H 90%30.21 inHg

8:00 AM

Sunny

57° 💧 None 💨 4 mph H 80%30.24 inHg

11:00 AM

Mostly sunny

67° 💧 None 💨 9 mph H 56%30.24 inHg

2:00 PM

Overcast

70° 💧 None 💨 10 mph H 54%30.15 inHg

5:00 PM

Mostly cloudy

69° 💧 None 💨 11 mph H 57%30.06 inHg

8:00 PM

Mostly cloudy night

65° 💧 None 💨 11 mph H 67%30.00 inHg

11:00 PM

Mostly cloudy night

67° 💧 None 💨 15 mph H 56%29.97 inHg

Today

2:00 AM

Clear night

61° 💧 None 💨 5 mph H 79%29.97 inHg

3:00 AM

Mostly clear night

60° 💧 None 💨 6 mph H 78%29.97 inHg

4:00 AM

Partly cloudy night

60° 💧 None 💨 7 mph H 77%29.97 inHg

5:00 AM

Mostly cloudy night

59° 💧 None 💨 8 mph H 77%30.00 inHg

6:00 AM

Mostly cloudy night

58° 💧 None 💨 7 mph H 79%30.03 inHg

7:00 AM

Light rain

58° 💧 0.004 in 💨 7 mph H 80%30.03 inHg

8:00 AM

Sunny

59° 💧 None 💨 6 mph H 78%30.06 inHg

9:00 AM

Mostly sunny

62° 💧 None 💨 7 mph H 73%30.06 inHg

10:00 AM

Partly cloudy

64° 💧 None 💨 7 mph H 63%30.09 inHg

11:00 AM

Mostly cloudy

66° 💧 0.000 in 💨 7 mph H 56%30.09 inHg

12:00 PM

Light rain

66° 💧 0.015 in 💨 7 mph H 57%30.12 inHg

1:00 PM

Overcast

67° 💧 None 💨 9 mph H 54%30.12 inHg

2:00 PM

Light rain

63° 💧 0.011 in 💨 7 mph H 67%30.12 inHg

3:00 PM

Light rain

62° 💧 0.020 in 💨 6 mph H 71%30.12 inHg

4:00 PM

Sunny

64° 💧 0.000 in 💨 6 mph H 66%30.09 inHg

5:00 PM

Sunny

65° 💧 None 💨 7 mph H 65%30.06 inHg

6:00 PM

Sunny

64° 💧 None 💨 8 mph H 63%30.06 inHg

7:00 PM

Sunny

61° 💧 None 💨 6 mph H 69%30.09 inHg

8:00 PM

Clear night

58° 💧 None 💨 4 mph H 77%30.12 inHg

9:00 PM

Clear night

58° 💧 None 💨 2 mph H 79%30.15 inHg

10:00 PM

Mostly clear night

57° 💧 None 💨 2 mph H 82%30.15 inHg

11:00 PM

Clear night

57° 💧 None 💨 3 mph H 83%30.18 inHg

Tomorrow

12:00 AM

Clear night

56° 💧 None 💨 3 mph H 84%30.18 inHg

1:00 AM

Clear night

56° 💧 None 💨 3 mph H 85%30.18 inHg

2:00 AM

Clear night

55° 💧 None 💨 3 mph H 86%30.21 inHg

3:00 AM

Clear night

54° 💧 None 💨 3 mph H 88%30.21 inHg

4:00 AM

Clear night

54° 💧 None 💨 3 mph H 89%30.21 inHg

5:00 AM

Clear night

53° 💧 None 💨 5 mph H 90%30.21 inHg

6:00 AM

Clear night

52° 💧 None 💨 3 mph H 88%30.21 inHg

7:00 AM

Sunny

53° 💧 None 💨 4 mph H 86%30.24 inHg

8:00 AM

Sunny

57° 💧 None 💨 4 mph H 80%30.24 inHg

9:00 AM

Sunny

61° 💧 None 💨 5 mph H 72%30.24 inHg

10:00 AM

Sunny

65° 💧 None 💨 7 mph H 61%30.24 inHg

11:00 AM

Mostly sunny

67° 💧 None 💨 9 mph H 56%30.24 inHg

12:00 PM

Overcast

69° 💧 None 💨 9 mph H 55%30.21 inHg

1:00 PM

Overcast

70° 💧 None 💨 9 mph H 55%30.18 inHg

2:00 PM

Overcast

70° 💧 None 💨 10 mph H 54%30.15 inHg

3:00 PM

Overcast

71° 💧 None 💨 11 mph H 52%30.09 inHg

4:00 PM

Overcast

70° 💧 None 💨 12 mph H 53%30.06 inHg

5:00 PM

Mostly cloudy

69° 💧 None 💨 11 mph H 57%30.06 inHg

6:00 PM

Mostly sunny

67° 💧 None 💨 11 mph H 65%30.03 inHg

7:00 PM

Mostly cloudy

66° 💧 None 💨 11 mph H 69%30.00 inHg

8:00 PM

Mostly cloudy night

65° 💧 None 💨 11 mph H 67%30.00 inHg

9:00 PM

Clear night

67° 💧 None 💨 13 mph H 58%30.00 inHg

10:00 PM

Mostly clear night

67° 💧 None 💨 14 mph H 54%30.00 inHg

11:00 PM

Mostly cloudy night

67° 💧 None 💨 15 mph H 56%29.97 inHg

Tuesday

12:00 AM

Overcast night

67° 💧 None 💨 15 mph H 59%29.97 inHg

1:00 AM

Overcast night

68° 💧 None 💨 16 mph H 62%29.94 inHg

2:00 AM

Mostly cloudy night

68° 💧 None 💨 17 mph H 65%29.91 inHg

3:00 AM

Overcast night

69° 💧 None 💨 17 mph H 67%29.91 inHg

4:00 AM

Strong thunderstorm

69° 💧 0.000 in 💨 12 mph H 71%29.94 inHg

5:00 AM

Light thunderstorms

68° 💧 0.012 in 💨 12 mph H 80%29.91 inHg

6:00 AM

Light thunderstorms

67° 💧 0.092 in 💨 13 mph H 92%29.97 inHg

7:00 AM

Light rain

68° 💧 0.070 in 💨 14 mph H 95%29.94 inHg

8:00 AM

Overcast

69° 💧 0.002 in 💨 15 mph H 94%29.97 inHg

9:00 AM

Light rain

71° 💧 0.019 in 💨 16 mph H 93%29.97 inHg

10:00 AM

Light rain

71° 💧 0.051 in 💨 13 mph H 95%29.97 inHg

11:00 AM

Light rain

75° 💧 0.012 in 💨 16 mph H 86%30.00 inHg

12:00 PM

Light rain

73° 💧 0.035 in 💨 13 mph H 92%30.00 inHg

1:00 PM

Light rain

74° 💧 0.020 in 💨 13 mph H 90%30.00 inHg

2:00 PM

Light rain

74° 💧 0.009 in 💨 12 mph H 89%30.00 inHg

3:00 PM

Light rain

73° 💧 0.014 in 💨 10 mph H 91%30.03 inHg

4:00 PM

Light rain

73° 💧 0.018 in 💨 9 mph H 92%30.03 inHg

5:00 PM

Overcast

71° 💧 0.002 in 💨 8 mph H 87%30.06 inHg

6:00 PM

Overcast

71° 💧 None 💨 6 mph H 81%30.09 inHg

7:00 PM

Overcast

68° 💧 None 💨 6 mph H 82%30.09 inHg

10:00 PM

Mostly cloudy night

66° 💧 None 💨 6 mph H 80%30.18 inHg

Wednesday

1:00 AM

Mostly clear night

62° 💧 None 💨 8 mph H 81%30.21 inHg

4:00 AM

Mostly cloudy night

59° 💧 None 💨 5 mph H 86%30.27 inHg

7:00 AM

Mostly cloudy

58° 💧 None 💨 7 mph H 89%30.33 inHg

10:00 AM

Overcast

69° 💧 None 💨 10 mph H 76%30.33 inHg

1:00 PM

Moderate rain

69° 💧 None 💨 7 mph H 82%30.33 inHg

4:00 PM

Light rain

64° 💧 None 💨 10 mph H 96%30.27 inHg

7:00 PM

Light rain

62° 💧 None 💨 8 mph H 95%30.27 inHg

10:00 PM

Light rain

61° 💧 None 💨 8 mph H 95%30.27 inHg

Thursday

1:00 AM

Light rain

62° 💧 None 💨 8 mph H 96%30.24 inHg

4:00 AM

Light thunderstorms

63° 💧 None 💨 9 mph H 97%30.24 inHg

7:00 AM

Light thunderstorms

63° 💧 None 💨 9 mph H 98%30.24 inHg

10:00 AM

Light rain

64° 💧 None 💨 8 mph H 97%30.24 inHg

1:00 PM

Overcast

67° 💧 None 💨 9 mph H 90%30.24 inHg

4:00 PM

Overcast

69° 💧 None 💨 9 mph H 84%30.21 inHg

7:00 PM

Overcast

65° 💧 None 💨 6 mph H 86%30.24 inHg

10:00 PM

Mostly cloudy night

62° 💧 None 💨 5 mph H 91%30.24 inHg

Friday

1:00 AM

Overcast night

63° 💧 None 💨 6 mph H 89%30.24 inHg

4:00 AM

Overcast night

63° 💧 None 💨 6 mph H 93%30.21 inHg

7:00 AM

Partly cloudy

62° 💧 None 💨 5 mph H 96%30.21 inHg

10:00 AM

Overcast

67° 💧 None 💨 5 mph H 86%30.21 inHg

1:00 PM

Overcast

72° 💧 None 💨 5 mph H 80%30.18 inHg

7:00 PM

Moderate rain

69° 💧 None 💨 8 mph H 96%30.12 inHg

Saturday

1:00 AM

Moderate rain

65° 💧 None 💨 10 mph H 98%30.06 inHg

7:00 AM

Moderate rain

64° 💧 None 💨 12 mph H 97%30.03 inHg

1:00 PM

Moderate rain

62° 💧 None 💨 12 mph H 97%30.03 inHg

7:00 PM

Moderate rain

65° 💧 None 💨 12 mph H 98%30.00 inHg

Sunday

1:00 AM

Overcast night

64° 💧 None 💨 14 mph H 96%29.97 inHg

7:00 AM

Overcast

63° 💧 None 💨 11 mph H 89%30.00 inHg

1:00 PM

Overcast

60° 💧 None 💨 12 mph H 94%30.06 inHg

7:00 PM

Overcast night

66° 💧 None 💨 15 mph H 67%30.12 inHg

Monday

1:00 AM

Mostly clear night

62° 💧 None 💨 12 mph H 80%30.09 inHg

7:00 AM

Mostly sunny

59° 💧 None 💨 9 mph H 82%30.12 inHg

1:00 PM

Overcast

57° 💧 None 💨 10 mph H 95%30.09 inHg

7:00 PM

Overcast night

65° 💧 None 💨 14 mph H 73%30.06 inHg

Tuesday

1:00 AM

Light rain

60° 💧 None 💨 11 mph H 88%30.03 inHg

7:00 AM

Light rain

60° 💧 None 💨 11 mph H 96%30.03 inHg

1:00 PM

Overcast

59° 💧 None 💨 11 mph H 97%30.03 inHg

7:00 PM

Overcast night

68° 💧 None 💨 15 mph H 75%30.06 inHg

Wednesday

1:00 AM

Partly cloudy night

62° 💧 None 💨 11 mph H 81%30.09 inHg

7:00 AM

Overcast

61° 💧 None 💨 12 mph H 88%30.09 inHg

1:00 PM

Overcast

60° 💧 None 💨 12 mph H 90%30.12 inHg

7:00 PM

Light rain

64° 💧 None 💨 14 mph H 83%30.15 inHg

Thursday

1:00 AM

Overcast night

62° 💧 None 💨 11 mph H 88%30.12 inHg

7:00 AM

Overcast

62° 💧 None 💨 10 mph H 92%30.12 inHg

1:00 PM

Overcast

60° 💧 None 💨 9 mph H 97%30.12 inHg

7:00 PM

Overcast night

67° 💧 None 💨 10 mph H 79%30.09 inHg

Friday

1:00 AM

Overcast night

64° 💧 None 💨 9 mph H 89%30.06 inHg

7:00 AM

Overcast

64° 💧 None 💨 3 mph H 99%29.97 inHg

1:00 PM

Overcast

63° 💧 None 💨 7 mph H 99%30.00 inHg

7:00 PM

Overcast night

69° 💧 None 💨 7 mph H 81%30.00 inHg

Saturday

1:00 AM

Overcast night

67° 💧 None 💨 6 mph H 82%30.03 inHg

7:00 AM

Sunny

61° 💧 None 💨 6 mph H 95%30.06 inHg

1:00 PM

Sunny

57° 💧 None 💨 5 mph H 96%30.09 inHg

7:00 PM

Clear night

72° 💧 None 💨 9 mph H 63%30.09 inHg

Sunday

1:00 AM

Mostly clear night

66° 💧 None 💨 4 mph H 83%30.06 inHg

7:00 AM

Sunny

58° 💧 None 💨 5 mph H 87%30.06 inHg

1:00 PM

Mostly sunny

55° 💧 None 💨 5 mph H 91%30.03 inHg

In Williams Bay and, more broadly, across the state of Wisconsin: Expect a mostly clear evening with a few clouds drifting across the sky. Temperatures will remain mild, ranging from 68 to 69 degrees Fahrenheit. Winds will be light from the northwest at around 7 mph, with occasional gusts up to 12 mph. No precipitation is expected throughout the night, providing a calm and pleasant evening. Conditions should remain comfortable for outdoor activities or evening walks. Temperatures are likely to stay steady during the upcoming hours, with no significant changes expected. Overall, the night will be mild and mostly clear with gentle breezes.

15-Day Weather Outlook for Williams Bay

TomorrowTomorrow

Mostly sunny 70°/52° 💧 None 💨 12 mph

Tuesday, Sep 15Tue Sep 15

Light thunderstorms 74°/65° 💧 0.531 in 💨 16 mph

Wednesday, Sep 16Wed Sep 16

Moderate rain 72°/58° 💧 0.635 in 💨 10 mph

Thursday, Sep 17Thu Sep 17

Light thunderstorms 69°/61° 💧 1.489 in 💨 9 mph

Friday, Sep 18Fri Sep 18

Overcast 72°/62° 💧 0.014 in 💨 6 mph

Saturday, Sep 19Sat Sep 19

Moderate rain 69°/62° 💧 1.672 in 💨 12 mph

Sunday, Sep 20Sun Sep 20

Moderate rain 65°/60° 💧 1.006 in 💨 14 mph

Monday, Sep 21Mon Sep 21

Overcast 66°/57° 💧 None 💨 15 mph

Tuesday, Sep 22Tue Sep 22

Light rain 65°/59° 💧 0.107 in 💨 14 mph

Wednesday, Sep 23Wed Sep 23

Overcast 68°/60° 💧 0.007 in 💨 15 mph

Thursday, Sep 24Thu Sep 24

Light rain 64°/60° 💧 0.032 in 💨 14 mph

Friday, Sep 25Fri Sep 25

Overcast 67°/63° 💧 0.187 in 💨 10 mph

Saturday, Sep 26Sat Sep 26

Overcast 69°/57° 💧 0.005 in 💨 7 mph

Sunday, Sep 27Sun Sep 27

Mostly sunny 72°/55° 💧 0.001 in 💨 9 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Williams Bay

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Williams Bay

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 2:00 AM

PM2.5 Fine particles Good 3,5µg/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 3,7µg/m³

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

O₃ Ozone Good 55,1µg/m³

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

NO₂ Nitrogen dioxide Good 2,9µg/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 Williams Bay

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 3,8Moderate 😊Good

Tomorrow UV 5,7Moderate 🙂Fair

Tuesday UV 2,3Low 🙂Fair

Wednesday UV 1,1Low 😐Moderate

Thursday UV 4,0Moderate 🙂Fair

Friday UV 5,0Moderate —Unavailable

Saturday UV 5,0Moderate —Unavailable

Hourly UV index today

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

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

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

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 Williams Bay

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · WILLIAMS BAY, WISCONSIN

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 2:00 AM–3:00 AM.

94/100Best-hour score

BEST TIME TONIGHT 2:00 AM–3:00 AM Astronomical darkness: 8:46 PM–4:55 AM

☁ Cloud cover 9% Real hourly forecast for the best viewing hour.

☾ Moonlight 2% New Moon · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 61° high at the best hour.

✦ Estimated visible meteors 1–4/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min75%

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.

DISCOVER WEATHER NEARBY Weather in other cities

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Forecast data for Williams Bay were last refreshed today at 1:19 AM. The current forecast period extends through 14/09/2026 at 11:00 PM. 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.