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Current weather in Rio is overcast clouds.

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

Now · 9:59 AM

Rio Weather & Hourly Forecast

United States · Wisconsin · 53960

74°F

Overcast

Feels like: 77°F

💧 Humidity 87% 🌡 Pressure 30.00 inHg 💨 Wind 9 mph 👁 Visibility 10.0 mi ☁ Clouds 100% ☀️ UV index 0.7 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Rio

Today

10:00 AM

Overcast

74° 💧 0.01 in 💨 9 mph H 87%30.00 inHg

1:00 PM

Partly cloudy

77° 💧 0.01 in 💨 7 mph H 77%30.03 inHg

4:00 PM

Partly cloudy

78° 💧 0.00 in 💨 8 mph H 71%30.00 inHg

7:00 PM

Sunny

73° 💧 0.00 in 💨 8 mph H 81%30.00 inHg

10:00 PM

Clear night

69° 💧 None 💨 5 mph H 95%30.06 inHg

Tomorrow

1:00 AM

Clear night

65° 💧 None 💨 3 mph H 96%30.06 inHg

4:00 AM

Partly cloudy night

62° 💧 None 💨 3 mph H 95%30.09 inHg

7:00 AM

Sunny

62° 💧 None 💨 4 mph H 94%30.12 inHg

10:00 AM

Mostly sunny

72° 💧 0.00 in 💨 5 mph H 84%30.12 inHg

1:00 PM

Mostly cloudy

77° 💧 0.00 in 💨 6 mph H 65%30.09 inHg

4:00 PM

Overcast

78° 💧 0.00 in 💨 4 mph H 62%30.09 inHg

7:00 PM

Mostly sunny

73° 💧 None 💨 6 mph H 79%30.06 inHg

10:00 PM

Partly cloudy night

66° 💧 None 💨 8 mph H 80%30.12 inHg

Monday

1:00 AM

Clear night

62° 💧 None 💨 6 mph H 84%30.15 inHg

4:00 AM

Partly cloudy night

61° 💧 None 💨 5 mph H 93%30.15 inHg

7:00 AM

Mostly sunny

62° 💧 None 💨 6 mph H 93%30.18 inHg

Today

10:00 AM

Overcast

74° 💧 0.00 in 💨 9 mph H 87%30.00 inHg

11:00 AM

Overcast

75° 💧 0.00 in 💨 8 mph H 84%30.00 inHg

12:00 PM

Overcast

76° 💧 0.00 in 💨 7 mph H 82%30.03 inHg

1:00 PM

Partly cloudy

77° 💧 0.00 in 💨 7 mph H 77%30.03 inHg

2:00 PM

Partly cloudy

79° 💧 0.00 in 💨 7 mph H 73%30.00 inHg

3:00 PM

Partly cloudy

79° 💧 0.00 in 💨 7 mph H 70%30.00 inHg

4:00 PM

Partly cloudy

78° 💧 0.00 in 💨 8 mph H 71%30.00 inHg

5:00 PM

Mostly sunny

77° 💧 0.00 in 💨 9 mph H 73%29.97 inHg

6:00 PM

Sunny

76° 💧 None 💨 8 mph H 76%29.97 inHg

7:00 PM

Sunny

73° 💧 0.00 in 💨 8 mph H 81%30.00 inHg

8:00 PM

Mostly clear night

71° 💧 None 💨 7 mph H 88%30.00 inHg

9:00 PM

Clear night

70° 💧 None 💨 5 mph H 93%30.03 inHg

10:00 PM

Clear night

69° 💧 None 💨 5 mph H 95%30.06 inHg

11:00 PM

Clear night

67° 💧 None 💨 6 mph H 97%30.06 inHg

Tomorrow

12:00 AM

Clear night

66° 💧 None 💨 5 mph H 96%30.06 inHg

1:00 AM

Clear night

65° 💧 None 💨 3 mph H 96%30.06 inHg

2:00 AM

Clear night

64° 💧 None 💨 3 mph H 95%30.09 inHg

3:00 AM

Mostly cloudy night

63° 💧 None 💨 3 mph H 95%30.09 inHg

4:00 AM

Partly cloudy night

62° 💧 None 💨 3 mph H 95%30.09 inHg

5:00 AM

Mostly clear night

62° 💧 None 💨 5 mph H 94%30.09 inHg

6:00 AM

Partly cloudy night

62° 💧 None 💨 5 mph H 93%30.09 inHg

7:00 AM

Sunny

62° 💧 None 💨 4 mph H 94%30.12 inHg

8:00 AM

Partly cloudy

65° 💧 None 💨 5 mph H 91%30.12 inHg

9:00 AM

Sunny

68° 💧 None 💨 4 mph H 87%30.12 inHg

10:00 AM

Mostly sunny

72° 💧 None 💨 5 mph H 84%30.12 inHg

11:00 AM

Mostly cloudy

75° 💧 0.00 in 💨 7 mph H 74%30.12 inHg

12:00 PM

Partly cloudy

76° 💧 0.00 in 💨 7 mph H 68%30.12 inHg

1:00 PM

Mostly cloudy

77° 💧 None 💨 6 mph H 65%30.09 inHg

2:00 PM

Mostly cloudy

77° 💧 0.00 in 💨 4 mph H 63%30.09 inHg

3:00 PM

Mostly cloudy

78° 💧 None 💨 4 mph H 62%30.09 inHg

4:00 PM

Overcast

78° 💧 0.00 in 💨 4 mph H 62%30.09 inHg

5:00 PM

Mostly sunny

76° 💧 None 💨 5 mph H 67%30.06 inHg

6:00 PM

Mostly sunny

76° 💧 None 💨 5 mph H 71%30.06 inHg

7:00 PM

Mostly sunny

73° 💧 None 💨 6 mph H 79%30.06 inHg

8:00 PM

Partly cloudy night

70° 💧 None 💨 9 mph H 81%30.09 inHg

9:00 PM

Mostly cloudy night

68° 💧 None 💨 9 mph H 82%30.12 inHg

10:00 PM

Partly cloudy night

66° 💧 None 💨 8 mph H 80%30.12 inHg

11:00 PM

Partly cloudy night

64° 💧 None 💨 7 mph H 80%30.15 inHg

Monday

12:00 AM

Clear night

63° 💧 None 💨 6 mph H 81%30.15 inHg

1:00 AM

Clear night

62° 💧 None 💨 6 mph H 84%30.15 inHg

2:00 AM

Clear night

61° 💧 None 💨 7 mph H 87%30.15 inHg

3:00 AM

Mostly clear night

61° 💧 None 💨 6 mph H 91%30.15 inHg

4:00 AM

Partly cloudy night

61° 💧 None 💨 5 mph H 93%30.15 inHg

5:00 AM

Mostly cloudy night

61° 💧 None 💨 5 mph H 94%30.18 inHg

6:00 AM

Mostly cloudy night

61° 💧 None 💨 5 mph H 93%30.18 inHg

7:00 AM

Mostly sunny

62° 💧 None 💨 6 mph H 93%30.18 inHg

8:00 AM

Partly cloudy

65° 💧 None 💨 6 mph H 90%30.18 inHg

9:00 AM

Mostly sunny

68° 💧 None 💨 6 mph H 84%30.18 inHg

10:00 AM

Sunny

71° 💧 None 💨 7 mph H 76%30.18 inHg

11:00 AM

Sunny

73° 💧 None 💨 7 mph H 69%30.21 inHg

12:00 PM

Mostly sunny

75° 💧 None 💨 7 mph H 66%30.18 inHg

1:00 PM

Sunny

76° 💧 None 💨 7 mph H 63%30.18 inHg

2:00 PM

Mostly sunny

76° 💧 None 💨 7 mph H 62%30.15 inHg

3:00 PM

Mostly cloudy

77° 💧 None 💨 8 mph H 62%30.15 inHg

4:00 PM

Partly cloudy

76° 💧 None 💨 8 mph H 63%30.12 inHg

5:00 PM

Mostly sunny

76° 💧 None 💨 8 mph H 65%30.12 inHg

6:00 PM

Mostly cloudy

75° 💧 None 💨 7 mph H 71%30.12 inHg

7:00 PM

Mostly cloudy

72° 💧 None 💨 7 mph H 77%30.12 inHg

Tuesday

4:00 AM

Overcast night

63° 💧 None 💨 8 mph H 90%30.12 inHg

7:00 AM

Mostly cloudy

64° 💧 None 💨 10 mph H 87%30.09 inHg

10:00 AM

Overcast

70° 💧 None 💨 9 mph H 80%30.09 inHg

1:00 PM

Overcast

77° 💧 None 💨 11 mph H 70%30.03 inHg

4:00 PM

Partly cloudy

82° 💧 None 💨 7 mph H 61%30.00 inHg

7:00 PM

Partly cloudy

78° 💧 None 💨 11 mph H 68%29.94 inHg

10:00 PM

Mostly cloudy night

77° 💧 None 💨 12 mph H 64%29.94 inHg

Wednesday

1:00 AM

Light rain

71° 💧 None 💨 8 mph H 85%29.94 inHg

4:00 AM

Moderate rain

69° 💧 None 💨 8 mph H 95%29.94 inHg

7:00 AM

Mostly cloudy

70° 💧 None 💨 9 mph H 98%29.94 inHg

10:00 AM

Mostly sunny

76° 💧 None 💨 9 mph H 80%29.97 inHg

1:00 PM

Mostly cloudy

80° 💧 None 💨 13 mph H 48%29.97 inHg

4:00 PM

Mostly cloudy

79° 💧 None 💨 13 mph H 48%29.94 inHg

7:00 PM

Sunny

72° 💧 None 💨 8 mph H 67%29.94 inHg

10:00 PM

Clear night

68° 💧 None 💨 9 mph H 73%30.00 inHg

Thursday

1:00 AM

Clear night

63° 💧 None 💨 7 mph H 83%30.00 inHg

4:00 AM

Mostly cloudy night

60° 💧 None 💨 6 mph H 89%30.00 inHg

7:00 AM

Sunny

59° 💧 None 💨 5 mph H 91%30.03 inHg

10:00 AM

Sunny

69° 💧 None 💨 6 mph H 70%30.03 inHg

1:00 PM

Sunny

76° 💧 None 💨 9 mph H 52%29.97 inHg

4:00 PM

Mostly sunny

77° 💧 None 💨 9 mph H 46%29.91 inHg

7:00 PM

Sunny

70° 💧 None 💨 3 mph H 72%29.91 inHg

10:00 PM

Clear night

64° 💧 None 💨 4 mph H 82%29.91 inHg

Friday

1:00 AM

Clear night

63° 💧 None 💨 5 mph H 84%29.91 inHg

7:00 AM

Mostly sunny

60° 💧 None 💨 2 mph H 82%30.00 inHg

1:00 PM

Sunny

57° 💧 None 💨 6 mph H 88%30.00 inHg

7:00 PM

Mostly sunny

77° 💧 None 💨 8 mph H 54%29.94 inHg

Saturday

1:00 AM

Overcast night

72° 💧 None 💨 6 mph H 64%29.85 inHg

7:00 AM

Mostly sunny

66° 💧 None 💨 9 mph H 69%29.83 inHg

1:00 PM

Mostly sunny

67° 💧 None 💨 10 mph H 71%29.77 inHg

7:00 PM

Overcast

78° 💧 None 💨 13 mph H 56%29.65 inHg

Sunday

1:00 AM

Moderate rain

69° 💧 None 💨 14 mph H 97%29.53 inHg

7:00 AM

Sunny

59° 💧 None 💨 11 mph H 75%29.77 inHg

1:00 PM

Sunny

53° 💧 None 💨 10 mph H 63%29.91 inHg

7:00 PM

Mostly sunny

64° 💧 None 💨 13 mph H 45%29.97 inHg

Monday

1:00 AM

Clear night

59° 💧 None 💨 6 mph H 53%30.00 inHg

7:00 AM

Sunny

52° 💧 None 💨 6 mph H 66%30.09 inHg

1:00 PM

Sunny

49° 💧 None 💨 6 mph H 78%30.15 inHg

7:00 PM

Sunny

69° 💧 None 💨 6 mph H 41%30.18 inHg

Tuesday

1:00 AM

Clear night

64° 💧 None 💨 5 mph H 65%30.12 inHg

7:00 AM

Sunny

58° 💧 None 💨 7 mph H 78%30.18 inHg

1:00 PM

Sunny

58° 💧 None 💨 6 mph H 78%30.18 inHg

7:00 PM

Mostly sunny

79° 💧 None 💨 9 mph H 47%30.15 inHg

Wednesday

1:00 AM

Mostly clear night

73° 💧 None 💨 6 mph H 63%30.12 inHg

7:00 AM

Mostly cloudy

66° 💧 None 💨 2 mph H 92%30.18 inHg

1:00 PM

Mostly sunny

62° 💧 None 💨 4 mph H 97%30.27 inHg

7:00 PM

Mostly sunny

77° 💧 None 💨 6 mph H 64%30.24 inHg

Thursday

1:00 AM

Overcast night

75° 💧 None 💨 8 mph H 68%30.15 inHg

7:00 AM

Heavy rain

65° 💧 None 💨 12 mph H 89%30.03 inHg

1:00 PM

Overcast

63° 💧 None 💨 16 mph H 86%29.97 inHg

7:00 PM

Mostly sunny

80° 💧 None 💨 15 mph H 67%29.91 inHg

Friday

1:00 AM

Clear night

74° 💧 None 💨 11 mph H 70%29.97 inHg

7:00 AM

Sunny

62° 💧 None 💨 7 mph H 89%30.12 inHg

1:00 PM

Sunny

56° 💧 None 💨 4 mph H 98%30.18 inHg

7:00 PM

Partly cloudy

70° 💧 None 💨 5 mph H 63%30.21 inHg

Saturday

1:00 AM

Clear night

66° 💧 None 💨 2 mph H 77%30.12 inHg

7:00 AM

Partly cloudy

57° 💧 None 💨 5 mph H 94%30.12 inHg

1:00 PM

Partly cloudy

55° 💧 None 💨 5 mph H 97%30.09 inHg

7:00 PM

Overcast

72° 💧 None 💨 9 mph H 64%30.00 inHg

Sunday

1:00 AM

Mostly clear night

70° 💧 None 💨 9 mph H 69%29.91 inHg

In Rio and, more broadly, across the state of Wisconsin: This morning will start with a mix of sun and clouds, creating a pleasant atmosphere. Temperatures are expected to be mild, ranging from 66 to 70 degrees Fahrenheit. Light east winds will blow at around 5 to 9 mph, with gusts reaching up to 18 mph. As the day progresses into the afternoon, skies will remain partly cloudy, and temperatures will warm up slightly, reaching up to 76 degrees. The wind will stay gentle, and no precipitation is anticipated throughout the day. Overall, expect a mild and comfortable day with variable cloud cover and mild breezes.

15-Day Weather Outlook for Rio

TomorrowTomorrow

Mostly sunny 78°/62° 💧 None 💨 8 mph

Monday, Sep 7Mon Sep 7

Mostly sunny 77°/61° 💧 None 💨 9 mph

Tuesday, Sep 8Tue Sep 8

Partly cloudy 82°/63° 💧 0.03 in 💨 11 mph

Wednesday, Sep 9Wed Sep 9

Moderate rain 80°/69° 💧 0.37 in 💨 13 mph

Thursday, Sep 10Thu Sep 10

Mostly cloudy 77°/59° 💧 None 💨 9 mph

Friday, Sep 11Fri Sep 11

Mostly sunny 70°/57° 💧 None 💨 6 mph

Saturday, Sep 12Sat Sep 12

Mostly sunny 77°/66° 💧 0.02 in 💨 10 mph

Sunday, Sep 13Sun Sep 13

Moderate rain 78°/53° 💧 0.21 in 💨 14 mph

Monday, Sep 14Mon Sep 14

Mostly sunny 64°/49° 💧 None 💨 13 mph

Tuesday, Sep 15Tue Sep 15

Sunny 69°/58° 💧 None 💨 7 mph

Wednesday, Sep 16Wed Sep 16

Mostly sunny 79°/62° 💧 0.02 in 💨 9 mph

Thursday, Sep 17Thu Sep 17

Heavy rain 77°/63° 💧 0.82 in 💨 16 mph

Friday, Sep 18Fri Sep 18

Mostly sunny 80°/56° 💧 0.00 in 💨 15 mph

Saturday, Sep 19Sat Sep 19

Partly cloudy 70°/55° 💧 0.01 in 💨 5 mph

Sunday, Sep 20Sun Sep 20

Overcast 72°/70° 💧 0.01 in 💨 9 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Rio

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Rio

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 10:00 AM

PM2.5 Fine particles Good 6,1µg/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 6,4µg/m³

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

O₃ Ozone Good 17,9µg/m³

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

NO₂ Nitrogen dioxide Good 4,4µg/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 Rio

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 6,1High 😊Good

Tomorrow UV 6,9High 🙂Fair

Monday UV 5,3Moderate 😐Moderate

Tuesday UV 6,7High 😐Moderate

Wednesday UV 7,0High 🙂Fair

Thursday UV 6,0High —Unavailable

Friday UV 5,0Moderate —Unavailable

Hourly UV index today

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

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 Rio

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · RIO, WISCONSIN

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 12:00 AM–1:00 AM.

94/100Best-hour score

BEST TIME TONIGHT 12:00 AM–1:00 AM Astronomical darkness: 9:05 PM–4:46 AM

☁ Cloud cover 2% Real hourly forecast for the best viewing hour.

☾ Moonlight 32% Last Quarter · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 35° high at the best hour.

✦ Estimated visible meteors 1–3/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min59%

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

AUG 28–SEP 5

AurigidsStart AUG 28 · Peak SEP 1 · End SEP 5 · ZHR 6 · 80% Moon at peak

ACTIVE NOW

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

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 Rio were last refreshed today at 9:59 AM. The current forecast period extends through 07/09/2026 at 7:00 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.