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Marengo, WI 54855 Weather

It is 45°F and cloudy in Marengo, WI 54855, observed at 12:40 PM CDT. Today: Partly Sunny, high 52°F, low 27°F. Hourly and 7-day forecast from the National Weather Service. Times are local (CDT).

Marengo, WI 54855 current weather

45°F

Cloudy

H 52° / L 27°Feels like 38°

  • No rain expected in the next 12 hours

Observed at John F Kennedy Memorial Airport (13.9 mi away), 10/29/2026, 12:40 PM CDT

Hourly forecast

NWS, updated 10/29/2026, 9:41 AM PT

  1. Now45°
  2. 2 PM47°
  3. 3 PM50°
  4. 4 PM47°
  5. 5 PM45°
  6. 6 PM43°
  7. 7 PM38°
  8. 8 PM36°
  9. 9 PM35°
  10. 10 PM33°
  11. 11 PM32°
  12. 12 AM31°Fri
  13. 1 AM31°
  14. 2 AM30°
  15. 3 AM30°
  16. 4 AM30°
  17. 5 AM29°
  18. 6 AM29°
  19. 7 AM29°
  20. 8 AM28°
  21. 9 AM32°
  22. 10 AM37°
  23. 11 AM40°
  24. 12 PM43°
  25. 1 PM47°
  26. 2 PM48°
  27. 3 PM48°
  28. 4 PM50°
  29. 5 PM47°
  30. 6 PM44°
  31. 7 PM41°
  32. 8 PM37°
  33. 9 PM36°
  34. 10 PM34°
  35. 11 PM34°
  36. 12 AM33°Sat
  37. 1 AM33°
  38. 2 AM32°
  39. 3 AM32°
  40. 4 AM32°
  41. 5 AM31°
  42. 6 AM33°
  43. 7 AM33°
  44. 8 AM33°
  45. 9 AM37°
  46. 10 AM43°
  47. 11 AM48°
  48. 12 PM51°

7-day forecast

Tap a day for details

  • Today10/29Low 27°High 52°

    This Afternoon: Partly sunny. High near 52, with temperatures falling to around 45 in the afternoon. Northwest wind around 10 mph, with gusts as high as 25 mph.

    Tonight: Partly cloudy. Low around 27, with temperatures rising to around 29 overnight. West wind 0 to 5 mph, with gusts as high as 20 mph.

    Partly Sunny
  • Fri10/30Low 30°High 50°

    Friday: Sunny. High near 50, with temperatures falling to around 47 in the afternoon. West wind around 0 mph.

    Friday Night: Mostly clear, with a low around 30. Southeast wind 0 to 5 mph.

    Sunny
  • Sat10/3127% chance of precipitationLow 45°High 56°

    Saturday: A slight chance of rain showers after 1pm. Mostly sunny, with a high near 56. South wind around 5 mph. Chance of precipitation is 20%.

    Saturday Night: A chance of rain showers. Mostly cloudy, with a low around 45. South wind 0 to 5 mph.

    Mostly Sunny then Slight Chance Rain Showers
  • Sun11/1Low 48°High 64°

    Sunday: Mostly cloudy, with a high near 64. South wind 0 to 5 mph.

    Sunday Night: Mostly cloudy, with a low around 48. South wind 0 to 5 mph.

    Mostly Cloudy
  • Mon11/257% chance of precipitationLow 48°High 64°

    Monday: A chance of rain showers after noon. Mostly cloudy, with a high near 64. Southeast wind around 5 mph, with gusts as high as 20 mph.

    Monday Night: Rain showers likely. Mostly cloudy, with a low around 48. Southeast wind 5 to 10 mph, with gusts as high as 25 mph.

    Mostly Cloudy then Chance Rain Showers
  • Tue11/337% chance of precipitationLow 43°High 57°

    Tuesday: A chance of rain showers. Mostly cloudy, with a high near 57. Northeast wind 5 to 10 mph, with gusts as high as 25 mph.

    Tuesday Night: A chance of rain showers. Mostly cloudy, with a low around 43. North wind around 5 mph, with gusts as high as 20 mph.

    Chance Rain Showers
  • Wed11/444% chance of precipitationLow 37°High 57°

    Wednesday: A chance of rain showers. Mostly cloudy, with a high near 57. Southwest wind around 5 mph, with gusts as high as 20 mph.

    Wednesday Night: A chance of rain showers. Mostly cloudy, with a low around 37. Northwest wind around 5 mph.

    Chance Rain Showers

Forecast for 46.348, -90.871 from the NWS DLH office, updated 10/29/2026, 9:41 AM PT · Official forecast on weather.gov

From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.

Next 6 hours

NWS hourly forecast

  1. Now45°Partly Sunny0%10 mph
  2. 2 PM47°Partly Sunny0%10 mph
  3. 3 PM50°Partly Sunny0%10 mph
  4. 4 PM47°Mostly Sunny0%10 mph
  5. 5 PM45°Mostly Sunny0%10 mph
  6. 6 PM43°Partly Cloudy0%5 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShow

Radar and satellite

National radar

NEXRAD (up to 24 hours) and GOES

Latest

Frequently asked questions

What is the weather in Marengo, WI 54855 right now?
The latest observation from John F Kennedy Memorial Airport was 45°F and cloudy, reported at 10/29/2026, 12:40 PM CDT.
What is the high temperature today in Marengo, WI 54855?
The National Weather Service forecast for this afternoon calls for a high near 52°F. Partly Sunny.
Will it rain in Marengo, WI 54855 in the next 24 hours?
The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.
What time is sunrise and sunset in Marengo, WI 54855 today?
Sunrise is about 7:40 AM CDT and sunset is about 5:53 PM CDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Marengo, WI 54855?
At Mellen 4 NE, the 1991 to 2020 normal high in October is 54°F and the normal low is 34°F.

Nearby hazards

Wisconsin hazards

Severe storm and flash flood outlooks, expected rain, river flooding and wildfires near this area

  • Severe storm outlook today:No thunderstorm risk area over this locationOutlook map
  • Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
  • River gauges within 40 miles at or above flood stage: None reported
  • Active wildfires within 50 miles: Black River Fire (326 acres), Redhouse Fire (22 acres), Trepania Fire (3 acres), Metnik Fire (1 acre), Little Pete Fire (1 acre)

UV and air quality forecast

EPA and AirNow

AQI forecast today (Northwoods West)
GoodOzone
AQI forecast tomorrow (Northwoods West)
GoodOzone

UV index guide · Air quality

Drought

By county

Ashland County, week of 10/27/2026

100% of the county is in moderate drought or worse, 98% in extreme drought or worse.

Sun and moon

Local time, center of the area

Sunrise
7:40 AM
Sunset
5:53 PM
Daylight
10 hr 12 min
Moon
Waning Gibbous 86% lit
First light (civil dawn)
7:09 AM
Last light (civil dusk)
6:24 PM
Moonrise
8:02 PM
Moonset
12:14 PM

Normal October weather

Climate

Normal October high 54°, low 34°, precipitation 3.73 in for the month. 1991 to 2020 normals at Mellen 4 NE, 11 mi away.

Other places nearby

Data sources

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About this data

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