Weather forecast for 10 daysMarengo, WI
Weather forecast for the weekend
Sunday Oct 18, 2026
- 64°F
- 37°F
Mostly Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 17mphSW 214°
- Humidity: 47%
- UV index: 3
- Sunrise: 7:25 am CDT
- Sunset: 6:11 pm CDT
- details ▼
On Sunday, October 18, a bright and mostly cloud-free sky is in store.
The temperature will peak at an enjoyable 64.4°F during the day, dropping to a low of an icy 37.4°F at night.
The forecast high of 64.4°F aligns more closely with September's typical high of 67.1°F than with October's usual 52°F.
Sunrise will be at 7:25 am and sunset at 6:11 pm; the daylight will last for 10h and 46min.
The temperature will peak at an enjoyable 64.4°F during the day, dropping to a low of an icy 37.4°F at night.
The forecast high of 64.4°F aligns more closely with September's typical high of 67.1°F than with October's usual 52°F.
Sunrise will be at 7:25 am and sunset at 6:11 pm; the daylight will last for 10h and 46min.
10-day overview
Daily temperatures
Warmest day: Friday 73°C.
Coldest period: Monday - Tuesday 59°C.
Coldest period: Monday - Tuesday 59°C.
Chance of precipitation
Highest chance: Thursday 20%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 64°F
- 37°F
Mostly Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 17mphSW 214°
- Humidity: 47%
- UV index: 3
- Sunrise: 7:25 am CDT
- Sunset: 6:11 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 64°F
- 36°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 7mphENE 60°
- Humidity: 61%
- UV index: 3
- Sunrise: 7:26 am CDT
- Sunset: 6:09 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 68°F
- 45°F
Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 7mphS 185°
- Humidity: 61%
- UV index: 3
- Sunrise: 7:27 am CDT
- Sunset: 6:08 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 70°F
- 39°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 8mphSW 228°
- Humidity: 60%
- UV index: 3
- Sunrise: 7:29 am CDT
- Sunset: 6:06 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 70°F
- 46°F
Mostly Sunny
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 6mphENE 66°
- Humidity: 69%
- UV index: 3
- Sunrise: 7:30 am CDT
- Sunset: 6:04 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 73°F
- 55°F
Mostly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 12mphS 172°
- Humidity: 56%
- UV index: 2
- Sunrise: 7:32 am CDT
- Sunset: 6:02 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 70°F
- 52°F
Cloudy
- Precip. probability: 13%
- Precipitation: 0"
- Wind: 16mphS 189°
- Humidity: 51%
- UV index: 2
- Sunrise: 7:33 am CDT
- Sunset: 6:01 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 63°F
- 39°F
Partly Cloudy
- Precip. probability: 12%
- Precipitation: 0"
- Wind: 9mphWSW 256°
- Humidity: 58%
- UV index: 2
- Sunrise: 7:35 am CDT
- Sunset: 5:59 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 59°F
- 39°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 8mphNNE 30°
- Humidity: 63%
- UV index: 2
- Sunrise: 7:36 am CDT
- Sunset: 5:57 pm CDT
- details ▼
- Tuesday
- Oct 27, 2026
- 59°F
- 46°F
Mostly Cloudy
- Precip. probability: 14%
- Precipitation: 0"
- Wind: 8mphSSE 150°
- Humidity: 65%
- UV index: 2
- Sunrise: 7:37 am CDT
- Sunset: 5:56 pm CDT
- details ▼
In the days ahead, a combination of cloud-filled and clear weather is anticipated.
Rainfall is not forecasted in Marengo in the upcoming days.
Temperature fluctuation will be noticeable throughout the forecast window. The temperature is expected to swing from 59°F up to 73.4°F, while the difference in minimum temperatures will be also substantial, as nighttime lows are forecast to fall between 35.6°F and 55.4°F.
Expect the warmest day on Friday, with temperatures peaking at 73.4°F; the coldest days will be next Monday and Tuesday, with a maximum of 59°F.
Rainfall is not forecasted in Marengo in the upcoming days.
Temperature fluctuation will be noticeable throughout the forecast window. The temperature is expected to swing from 59°F up to 73.4°F, while the difference in minimum temperatures will be also substantial, as nighttime lows are forecast to fall between 35.6°F and 55.4°F.
Expect the warmest day on Friday, with temperatures peaking at 73.4°F; the coldest days will be next Monday and Tuesday, with a maximum of 59°F.
Updated: Oct 18, 2026 @ 08:57:36 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
On Sunday, blue skies and warm sunshine will define the conditions.
Today, the highest temperature will be 64.4°F, while the lowest temperature will be 37.4°F.
The maximum temperature today will be significantly higher than the average highest temperature of 52°F in October. The lowest temperature today will be in line with the average low temperature.
The maximum temperature today will be significantly higher than the average highest temperature of 52°F in October. The lowest temperature today will be in line with the average low temperature.
On Sunday, in Marengo, sunrise will be at 7:25 am and sunset at 6:11 pm (CDT).
Today, the daylight will last for 10h and 46min.
