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Current weather in Trempealeau is overcast clouds.

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

Now · 1:48 PM

Trempealeau Weather & Hourly Forecast

United States · Wisconsin · 54661

79°F

Overcast

Feels like: 76°F

💧 Humidity 53% 🌡 Pressure 30.09 inHg 💨 Wind 10 mph 👁 Visibility 25.3 mi ☁ Clouds 99% ☀️ UV index 6.5 · High 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Trempealeau

Today

2:00 PM

Overcast

79° 💧 None 💨 10 mph H 53%30.09 inHg

5:00 PM

Overcast

78° 💧 None 💨 11 mph H 51%30.03 inHg

8:00 PM

Mostly cloudy night

72° 💧 None 💨 8 mph H 65%30.03 inHg

11:00 PM

Overcast night

70° 💧 None 💨 10 mph H 72%30.06 inHg

Tomorrow

2:00 AM

Overcast night

69° 💧 None 💨 9 mph H 73%30.03 inHg

5:00 AM

Overcast night

69° 💧 None 💨 11 mph H 76%30.00 inHg

8:00 AM

Overcast

69° 💧 0.000 in 💨 9 mph H 75%30.03 inHg

11:00 AM

Overcast

75° 💧 0.184 in 💨 11 mph H 66%29.97 inHg

2:00 PM

Overcast

80° 💧 0.002 in 💨 10 mph H 65%29.91 inHg

5:00 PM

Mostly cloudy

82° 💧 0.023 in 💨 5 mph H 69%29.88 inHg

8:00 PM

Light thunderstorms

75° 💧 0.157 in 💨 7 mph H 95%29.91 inHg

11:00 PM

Light thunderstorms

72° 💧 0.258 in 💨 5 mph H 98%29.94 inHg

Wednesday

2:00 AM

Light thunderstorms

71° 💧 0.049 in 💨 8 mph H 98%29.94 inHg

5:00 AM

Mostly cloudy night

70° 💧 None 💨 5 mph H 99%29.94 inHg

8:00 AM

Overcast

69° 💧 None 💨 6 mph H 97%29.97 inHg

11:00 AM

Mostly sunny

75° 💧 None 💨 5 mph H 66%29.97 inHg

Today

2:00 PM

Overcast

79° 💧 None 💨 10 mph H 53%30.09 inHg

3:00 PM

Overcast

79° 💧 None 💨 11 mph H 50%30.06 inHg

4:00 PM

Overcast

79° 💧 None 💨 11 mph H 49%30.03 inHg

5:00 PM

Overcast

78° 💧 None 💨 11 mph H 51%30.03 inHg

6:00 PM

Overcast

77° 💧 None 💨 10 mph H 54%30.03 inHg

7:00 PM

Partly cloudy

75° 💧 None 💨 8 mph H 60%30.03 inHg

8:00 PM

Mostly cloudy night

72° 💧 None 💨 8 mph H 65%30.03 inHg

9:00 PM

Mostly cloudy night

71° 💧 None 💨 8 mph H 70%30.06 inHg

10:00 PM

Mostly cloudy night

70° 💧 None 💨 9 mph H 72%30.06 inHg

11:00 PM

Overcast night

70° 💧 None 💨 10 mph H 72%30.06 inHg

Tomorrow

12:00 AM

Overcast night

69° 💧 None 💨 11 mph H 71%30.03 inHg

1:00 AM

Overcast night

69° 💧 None 💨 10 mph H 71%30.03 inHg

2:00 AM

Overcast night

69° 💧 None 💨 9 mph H 73%30.03 inHg

3:00 AM

Overcast night

69° 💧 None 💨 9 mph H 74%30.03 inHg

4:00 AM

Overcast night

69° 💧 None 💨 11 mph H 76%30.00 inHg

5:00 AM

Overcast night

69° 💧 None 💨 11 mph H 76%30.00 inHg

6:00 AM

Overcast night

68° 💧 None 💨 11 mph H 76%30.00 inHg

7:00 AM

Overcast

69° 💧 None 💨 10 mph H 75%30.03 inHg

8:00 AM

Overcast

69° 💧 0.000 in 💨 9 mph H 75%30.03 inHg

9:00 AM

Overcast

71° 💧 0.000 in 💨 11 mph H 71%30.00 inHg

10:00 AM

Overcast

73° 💧 None 💨 10 mph H 70%29.97 inHg

11:00 AM

Overcast

75° 💧 None 💨 11 mph H 66%29.97 inHg

12:00 PM

Light rain

74° 💧 0.022 in 💨 7 mph H 75%29.97 inHg

1:00 PM

Thunderstorms

75° 💧 0.162 in 💨 5 mph H 88%29.97 inHg

2:00 PM

Overcast

80° 💧 0.000 in 💨 10 mph H 65%29.91 inHg

3:00 PM

Overcast

79° 💧 None 💨 7 mph H 68%29.91 inHg

4:00 PM

Mostly cloudy

81° 💧 0.001 in 💨 5 mph H 68%29.91 inHg

5:00 PM

Mostly cloudy

82° 💧 0.000 in 💨 5 mph H 69%29.88 inHg

6:00 PM

Light rain

83° 💧 0.006 in 💨 6 mph H 72%29.88 inHg

7:00 PM

Light thunderstorms

78° 💧 0.016 in 💨 6 mph H 83%29.91 inHg

8:00 PM

Light thunderstorms

75° 💧 0.072 in 💨 7 mph H 95%29.91 inHg

9:00 PM

Light thunderstorms

73° 💧 0.066 in 💨 12 mph H 97%29.94 inHg

10:00 PM

Light rain

72° 💧 0.019 in 💨 7 mph H 98%29.91 inHg

11:00 PM

Light thunderstorms

72° 💧 0.096 in 💨 5 mph H 98%29.94 inHg

Wednesday

12:00 AM

Thunderstorms

72° 💧 0.146 in 💨 6 mph H 98%29.94 inHg

1:00 AM

Light rain

72° 💧 0.016 in 💨 10 mph H 98%29.91 inHg

2:00 AM

Light thunderstorms

71° 💧 0.022 in 💨 8 mph H 98%29.94 inHg

3:00 AM

Light thunderstorms

70° 💧 0.027 in 💨 8 mph H 98%29.94 inHg

4:00 AM

Overcast night

71° 💧 0.001 in 💨 5 mph H 98%29.91 inHg

5:00 AM

Mostly cloudy night

70° 💧 None 💨 5 mph H 99%29.94 inHg

6:00 AM

Overcast night

69° 💧 None 💨 5 mph H 99%29.94 inHg

7:00 AM

Overcast

69° 💧 None 💨 6 mph H 98%29.97 inHg

8:00 AM

Overcast

69° 💧 None 💨 6 mph H 97%29.97 inHg

9:00 AM

Mostly cloudy

70° 💧 None 💨 6 mph H 94%30.00 inHg

10:00 AM

Mostly cloudy

72° 💧 None 💨 5 mph H 83%30.00 inHg

11:00 AM

Mostly sunny

75° 💧 None 💨 5 mph H 66%29.97 inHg

12:00 PM

Sunny

79° 💧 None 💨 7 mph H 51%29.97 inHg

1:00 PM

Mostly sunny

81° 💧 None 💨 9 mph H 43%29.94 inHg

2:00 PM

Mostly sunny

81° 💧 None 💨 10 mph H 42%29.94 inHg

3:00 PM

Sunny

81° 💧 None 💨 10 mph H 43%29.94 inHg

4:00 PM

Sunny

80° 💧 None 💨 10 mph H 45%29.94 inHg

5:00 PM

Sunny

79° 💧 None 💨 10 mph H 49%29.91 inHg

6:00 PM

Sunny

77° 💧 None 💨 8 mph H 55%29.91 inHg

7:00 PM

Sunny

73° 💧 None 💨 7 mph H 61%29.94 inHg

8:00 PM

Clear night

70° 💧 None 💨 5 mph H 68%29.94 inHg

9:00 PM

Clear night

68° 💧 None 💨 6 mph H 72%29.97 inHg

10:00 PM

Clear night

66° 💧 None 💨 6 mph H 75%29.97 inHg

11:00 PM

Mostly clear night

65° 💧 None 💨 6 mph H 78%30.00 inHg

Thursday

12:00 AM

Partly cloudy night

64° 💧 None 💨 6 mph H 79%30.00 inHg

1:00 AM

Clear night

63° 💧 None 💨 5 mph H 82%30.00 inHg

2:00 AM

Clear night

62° 💧 None 💨 5 mph H 84%30.00 inHg

3:00 AM

Clear night

61° 💧 None 💨 5 mph H 86%29.97 inHg

4:00 AM

Clear night

60° 💧 None 💨 5 mph H 88%30.00 inHg

5:00 AM

Clear night

60° 💧 None 💨 5 mph H 89%30.00 inHg

6:00 AM

Clear night

59° 💧 None 💨 5 mph H 90%30.03 inHg

7:00 AM

Mostly sunny

59° 💧 None 💨 5 mph H 91%30.03 inHg

10:00 AM

Sunny

68° 💧 None 💨 3 mph H 69%30.06 inHg

1:00 PM

Sunny

73° 💧 None 💨 6 mph H 50%30.03 inHg

4:00 PM

Sunny

74° 💧 None 💨 4 mph H 49%29.97 inHg

7:00 PM

Sunny

70° 💧 None 💨 1 mph H 71%29.94 inHg

10:00 PM

Clear night

64° 💧 None 💨 2 mph H 82%29.97 inHg

Friday

1:00 AM

Clear night

61° 💧 None 💨 4 mph H 85%29.97 inHg

4:00 AM

Clear night

60° 💧 None 💨 6 mph H 89%29.94 inHg

7:00 AM

Sunny

59° 💧 None 💨 7 mph H 87%29.94 inHg

10:00 AM

Sunny

69° 💧 None 💨 8 mph H 70%29.91 inHg

1:00 PM

Partly cloudy

77° 💧 None 💨 12 mph H 53%29.85 inHg

4:00 PM

Partly cloudy

78° 💧 None 💨 12 mph H 54%29.80 inHg

7:00 PM

Partly cloudy

73° 💧 None 💨 13 mph H 68%29.74 inHg

10:00 PM

Partly cloudy night

71° 💧 None 💨 13 mph H 68%29.77 inHg

Saturday

1:00 AM

Light rain

68° 💧 None 💨 12 mph H 82%29.80 inHg

4:00 AM

Light rain

67° 💧 None 💨 8 mph H 97%29.80 inHg

7:00 AM

Sunny

58° 💧 None 💨 10 mph H 91%29.91 inHg

10:00 AM

Sunny

63° 💧 None 💨 10 mph H 66%29.97 inHg

1:00 PM

Sunny

69° 💧 None 💨 8 mph H 54%30.00 inHg

4:00 PM

Sunny

71° 💧 None 💨 9 mph H 50%30.00 inHg

7:00 PM

Sunny

66° 💧 None 💨 4 mph H 66%30.00 inHg

10:00 PM

Clear night

61° 💧 None 💨 5 mph H 74%30.06 inHg

Sunday

1:00 AM

Mostly clear night

58° 💧 None 💨 4 mph H 82%30.09 inHg

7:00 AM

Sunny

58° 💧 None 💨 4 mph H 86%30.09 inHg

1:00 PM

Partly cloudy

55° 💧 None 💨 4 mph H 93%30.15 inHg

7:00 PM

Mostly cloudy

66° 💧 None 💨 3 mph H 62%30.18 inHg

Monday

1:00 AM

Overcast night

62° 💧 None 💨 5 mph H 76%30.12 inHg

7:00 AM

Mostly cloudy

60° 💧 None 💨 6 mph H 82%30.12 inHg

1:00 PM

Light rain

59° 💧 None 💨 12 mph H 97%29.97 inHg

7:00 PM

Light rain

64° 💧 None 💨 15 mph H 98%29.80 inHg

Tuesday

1:00 AM

Light rain

72° 💧 None 💨 13 mph H 97%29.62 inHg

7:00 AM

Sunny

62° 💧 None 💨 14 mph H 78%29.80 inHg

1:00 PM

Mostly sunny

58° 💧 None 💨 13 mph H 81%29.97 inHg

7:00 PM

Partly cloudy

65° 💧 None 💨 15 mph H 53%30.12 inHg

Wednesday

1:00 AM

Partly cloudy night

61° 💧 None 💨 6 mph H 66%30.18 inHg

7:00 AM

Sunny

54° 💧 None 💨 4 mph H 85%30.30 inHg

1:00 PM

Sunny

52° 💧 None 💨 5 mph H 88%30.36 inHg

7:00 PM

Sunny

71° 💧 None 💨 8 mph H 50%30.36 inHg

Thursday

1:00 AM

Clear night

63° 💧 None 💨 7 mph H 66%30.36 inHg

7:00 AM

Partly cloudy

53° 💧 None 💨 5 mph H 87%30.45 inHg

1:00 PM

Overcast

52° 💧 None 💨 4 mph H 85%30.50 inHg

7:00 PM

Mostly sunny

62° 💧 None 💨 6 mph H 55%30.45 inHg

Friday

1:00 AM

Clear night

58° 💧 None 💨 5 mph H 69%30.33 inHg

7:00 AM

Sunny

52° 💧 None 💨 7 mph H 82%30.33 inHg

1:00 PM

Sunny

51° 💧 None 💨 7 mph H 89%30.30 inHg

7:00 PM

Mostly sunny

68° 💧 None 💨 10 mph H 50%30.21 inHg

Saturday

1:00 AM

Clear night

62° 💧 None 💨 5 mph H 68%30.15 inHg

7:00 AM

Sunny

55° 💧 None 💨 5 mph H 85%30.18 inHg

1:00 PM

Sunny

51° 💧 None 💨 3 mph H 93%30.18 inHg

7:00 PM

Sunny

69° 💧 None 💨 4 mph H 54%30.15 inHg

Sunday

1:00 AM

Clear night

64° 💧 None 💨 1 mph H 71%30.06 inHg

7:00 AM

Partly cloudy

55° 💧 None 💨 5 mph H 87%30.03 inHg

1:00 PM

Mostly cloudy

57° 💧 None 💨 9 mph H 79%29.97 inHg

7:00 PM

Overcast

73° 💧 None 💨 12 mph H 57%29.88 inHg

Monday

1:00 AM

Mostly clear night

67° 💧 None 💨 6 mph H 74%29.85 inHg

7:00 AM

Mostly sunny

59° 💧 None 💨 4 mph H 96%29.91 inHg

1:00 PM

Overcast

56° 💧 None 💨 4 mph H 100%30.00 inHg

7:00 PM

Mostly sunny

64° 💧 None 💨 7 mph H 71%30.03 inHg

Tuesday

1:00 AM

Clear night

59° 💧 None 💨 4 mph H 73%30.03 inHg

In Trempealeau and, more broadly, across the state of Wisconsin: The rest of the day will be characterized by mostly cloudy skies, with temperatures remaining in the mild to warm range between 70 and 76 degrees Fahrenheit. Expect moderate southeast winds, generally around 12 mph, with occasional gusts reaching up to 26 mph. No precipitation is anticipated, so outdoor plans should be comfortable, though the breezy conditions may cause some movement of lightweight objects. Overall, it will be a relatively mild afternoon with partly cloudy to mostly cloudy skies, and breezy conditions continuing into the evening. Temperatures are expected to remain steady as the day progresses.

15-Day Weather Outlook for Trempealeau

TomorrowTomorrow

Light thunderstorms 78°/65° 💧 None 💨 13 mph

Wednesday, Sep 9Wed Sep 9

Light thunderstorms 80°/69° 💧 None 💨 12 mph

Thursday, Sep 10Thu Sep 10

Sunny 74°/59° 💧 1.184 in 💨 7 mph

Friday, Sep 11Fri Sep 11

Partly cloudy 78°/59° 💧 None 💨 12 mph

Saturday, Sep 12Sat Sep 12

Light rain 73°/58° 💧 0.082 in 💨 13 mph

Sunday, Sep 13Sun Sep 13

Mostly sunny 66°/55° 💧 0.495 in 💨 5 mph

Monday, Sep 14Mon Sep 14

Light rain 66°/59° 💧 0.117 in 💨 12 mph

Tuesday, Sep 15Tue Sep 15

Light rain 72°/58° 💧 1.686 in 💨 15 mph

Wednesday, Sep 16Wed Sep 16

Partly cloudy 65°/52° 💧 None 💨 15 mph

Thursday, Sep 17Thu Sep 17

Partly cloudy 71°/52° 💧 None 💨 8 mph

Friday, Sep 18Fri Sep 18

Mostly sunny 62°/51° 💧 None 💨 7 mph

Saturday, Sep 19Sat Sep 19

Mostly sunny 68°/51° 💧 None 💨 10 mph

Sunday, Sep 20Sun Sep 20

Partly cloudy 69°/55° 💧 None 💨 9 mph

Monday, Sep 21Mon Sep 21

Overcast 73°/56° 💧 0.013 in 💨 12 mph

Tuesday, Sep 22Tue Sep 22

Mostly sunny 64°/59° 💧 0.008 in 💨 7 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Trempealeau

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Trempealeau

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 2:00 PM

PM2.5 Fine particles Good 7,7µg/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 8,1µg/m³

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

O₃ Ozone Fair 86,6µg/m³

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

NO₂ Nitrogen dioxide Good 0,7µg/m³

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

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Trempealeau

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 6,5High 🙂Fair

Tomorrow UV 4,2Moderate 🙂Fair

Wednesday UV 6,2High 🙂Fair

Thursday UV 5,9Moderate 🙂Fair

Friday UV 7,0High 🙂Fair

Saturday UV 6,0High —Unavailable

Sunday UV 5,0Moderate —Unavailable

Hourly UV index today

2:00 PMUV 5,6 3:00 PMUV 3,9 4:00 PMUV 2,6 5:00 PMUV 1,1 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.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

Stay hydrated

Drink water regularly, especially during physical activity or prolonged sun exposure.

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 Trempealeau

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · TREMPEALEAU, WISCONSIN

Tonight's Stargazing & Shooting Stars

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

55/100Best-hour score

BEST TIME TONIGHT 10:00 PM–11:00 PM Astronomical darkness: 9:11 PM–4:56 AM

☁ Cloud cover 63% 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 16° 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 min23%

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

Explore current conditions and forecasts for other locations.

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Forecast data for Trempealeau were last refreshed today at 1:48 PM. The current forecast period extends through 09/09/2026 at 11:00 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.