Weather forecast for 10 daysMerrimac, WI

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 64°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 17mphSSW 208°
  • Humidity: 51%
  • UV index: 4
  • Sunrise: 7:16 am CDT
  • Sunset: 6:10 pm CDT
  • ▼
Today, on Sunday, October 18, clear skies and sunshine are anticipated.
The temperature will vary between a maximum of an enjoyable 64.4°F and a minimum of a cold 41°F.
Temperatures are trending warmer, with a peak resembling September's average maximum rather than October's seasonal high.
Sunrise will be at 7:16 am and sunset at 6:10 pm; the daylight will last for 10h and 55min.

10-day overview

Daily temperatures

Warmest day: Thursday 73°C.
Minimum temperature: 64°C.

Chance of precipitation

Highest chance: Tuesday 27.10. 24%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 64°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 17mphSSW 208°
  • Humidity: 51%
  • UV index: 4
  • Sunrise: 7:16 am CDT
  • Sunset: 6:10 pm CDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 68°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 4mphSSW 201°
  • Humidity: 60%
  • UV index: 3
  • Sunrise: 7:17 am CDT
  • Sunset: 6:09 pm CDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 68°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 19%
  • Precipitation: 0"
  • Wind: 4mphSE 136°
  • Humidity: 61%
  • UV index: 3
  • Sunrise: 7:18 am CDT
  • Sunset: 6:07 pm CDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 72°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 6mphSSW 200°
  • Humidity: 61%
  • UV index: 3
  • Sunrise: 7:20 am CDT
  • Sunset: 6:06 pm CDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 73°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 10%
  • Precipitation: 0"
  • Wind: 4mphSSE 147°
  • Humidity: 62%
  • UV index: 3
  • Sunrise: 7:21 am CDT
  • Sunset: 6:04 pm CDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 72°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 9mphSSE 152°
  • Humidity: 61%
  • UV index: 3
  • Sunrise: 7:22 am CDT
  • Sunset: 6:02 pm CDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 72°F
  • 52°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 12mphS 169°
  • Humidity: 53%
  • UV index: 2
  • Sunrise: 7:23 am CDT
  • Sunset: 6:01 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 70°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 7mphSW 233°
  • Humidity: 58%
  • UV index: 3
  • Sunrise: 7:25 am CDT
  • Sunset: 5:59 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 66°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 14%
  • Precipitation: 0"
  • Wind: 7mphENE 74°
  • Humidity: 62%
  • UV index: 3
  • Sunrise: 7:26 am CDT
  • Sunset: 5:58 pm CDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 64°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 7mphESE 111°
  • Humidity: 73%
  • UV index: 3
  • Sunrise: 7:27 am CDT
  • Sunset: 5:57 pm CDT
  • ▼
For the next ten days, a combination of gloomy and sun-filled weather is expected.
Rainfall is not predicted in Merrimac in the upcoming period.
In the coming days, the maximum temperature will vary between 64.4°F and 73.4°F, while there will be a marked difference in overnight low temperatures, as the overnight lows will vary from 39.2°F to 51.8°F.
Expect the warmest day on Thursday, with temperatures peaking at 73.4°F; the coldest days will be Sunday and next Tuesday, with a maximum of 64.4°F.
Updated: Oct 18, 2026 @ 08:01:30 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, expect sunny weather with a crisp, clear sky.

Today, the highest temperature in Merrimac will be 64.4°F, while the lowest temperature will be 41°F.
Today, the highest temperature will be a few degrees higher than the average maximum temperature in October. Today, the lowest temperature will be in line with the average low temperature.

On Sunday, in Merrimac, sunrise will be at 7:16 am and sunset at 6:10 pm (CDT).

Today in Merrimac, the daylight will last for 10h and 55min.