Weather forecast for 10 daysMercer, WI
Weather forecast for the weekend
Sunday Oct 18, 2026
- 63°F
- 34°F
Mostly Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 16mphSW 215°
- Humidity: 50%
- UV index: 3
- Sunrise: 7:21 am CDT
- Sunset: 6:08 pm CDT
- details ▼
On Sunday, in Mercer, a bright and mostly cloud-free sky is in store.
A significant variation in temperature is forecasted, ranging from a high of an enjoyable 62.6°F to a low of a wintry 33.8°F.
Today, expect conditions that are warmer than normal, with a temperature that reflects September's typical maximum of 66.9°F.
Sunrise will be at 7:21 am and sunset at 6:08 pm; the daylight will last for 10h and 47min.
A significant variation in temperature is forecasted, ranging from a high of an enjoyable 62.6°F to a low of a wintry 33.8°F.
Today, expect conditions that are warmer than normal, with a temperature that reflects September's typical maximum of 66.9°F.
Sunrise will be at 7:21 am and sunset at 6:08 pm; the daylight will last for 10h and 47min.
10-day overview
Daily temperatures
Warmest period: Wednesday - Saturday 68°C.
Coldest day: Monday 26.10. 55°C.
Coldest day: Monday 26.10. 55°C.
Chance of precipitation
Highest chance: Monday 26.10. 24%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 63°F
- 34°F
Mostly Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 16mphSW 215°
- Humidity: 50%
- UV index: 3
- Sunrise: 7:21 am CDT
- Sunset: 6:08 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 64°F
- 37°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 4mphE 92°
- Humidity: 61%
- UV index: 3
- Sunrise: 7:23 am CDT
- Sunset: 6:07 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 64°F
- 41°F
Partly Cloudy
- Precip. probability: 9%
- Precipitation: 0"
- Wind: 7mphS 170°
- Humidity: 65%
- UV index: 3
- Sunrise: 7:24 am CDT
- Sunset: 6:05 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 68°F
- 39°F
Mostly Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 7mphSW 218°
- Humidity: 63%
- UV index: 3
- Sunrise: 7:25 am CDT
- Sunset: 6:03 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 68°F
- 43°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 4mphSE 136°
- Humidity: 67%
- UV index: 3
- Sunrise: 7:27 am CDT
- Sunset: 6:01 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 68°F
- 50°F
Mostly Cloudy
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 11mphSSE 165°
- Humidity: 64%
- UV index: 2
- Sunrise: 7:28 am CDT
- Sunset: 6:00 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 68°F
- 48°F
Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 16mphS 179°
- Humidity: 56%
- UV index: 2
- Sunrise: 7:30 am CDT
- Sunset: 5:58 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 61°F
- 37°F
Partly Cloudy
- Precip. probability: 22%
- Precipitation: 0.04"
- Wind: 9mphWSW 252°
- Humidity: 61%
- UV index: 3
- Sunrise: 7:31 am CDT
- Sunset: 5:57 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 55°F
- 37°F
Mostly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 6mphNE 34°
- Humidity: 65%
- UV index: 2
- Sunrise: 7:32 am CDT
- Sunset: 5:55 pm CDT
- details ▼
- Tuesday
- Oct 27, 2026
- 57°F
- 43°F
Partly Cloudy
- Precip. probability: 23%
- Precipitation: 0"
- Wind: 8mphSE 146°
- Humidity: 68%
- UV index: 2
- Sunrise: 7:34 am CDT
- Sunset: 5:53 pm CDT
- details ▼
Across the following ten days, primarily gloomy and occasionally bright weather is anticipated.
With a 22% probability, rainfall is forecasted only for next Sunday. Forecasted precipitation will be minimal at 0.04".
The temperature will vary considerably in the next ten days. Forecast highs will fluctuate between 55.4°F and 68°F, while the lowest nightly temperature differences will be also quite pronounced, as temperatures overnight will fluctuate from 33.8°F up to 50°F.
Wednesday through Saturday, with the highest temperature of 68°F, will be the warmest days in Mercer; expect the coldest day on next Monday with a high of 55.4°F.
With a 22% probability, rainfall is forecasted only for next Sunday. Forecasted precipitation will be minimal at 0.04".
The temperature will vary considerably in the next ten days. Forecast highs will fluctuate between 55.4°F and 68°F, while the lowest nightly temperature differences will be also quite pronounced, as temperatures overnight will fluctuate from 33.8°F up to 50°F.
Wednesday through Saturday, with the highest temperature of 68°F, will be the warmest days in Mercer; expect the coldest day on next Monday with a high of 55.4°F.
Updated: Oct 18, 2026 @ 07:02:12 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
Today, sunshine will take center stage, with just faint traces of clouds.
Today, the highest temperature will be 62.6°F, while the lowest temperature will be 33.8°F.
The highest temperature today will be uncommonly higher than the average maximum of 50.5°F in October. Today, the lowest temperature will be relatively lower than the average low temperature.
The highest temperature today will be uncommonly higher than the average maximum of 50.5°F in October. Today, the lowest temperature will be relatively lower than the average low temperature.
On Sunday, in Mercer, sunrise will be at 7:21 am and sunset at 6:08 pm (CDT).
In Mercer, the length of the day today will be 10h and 47min.





