Weather forecast for tomorrowMerrimac, WI
Weather forecast for tomorrow
Monday Oct 19, 2026
- 68°F
- 39°F
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
- details ▼
Tomorrow, on Monday, sunshine will take center stage, with just faint traces of clouds.
A daytime temperature reaching up to a delightful 68°F will sharply contrast with a nighttime low of an icy 39.2°F.
The forecast high of 68°F aligns more closely with September's typical high of 70.9°F than with October's usual 56.5°F.
Sunrise will be at 7:17 am and sunset at 6:09 pm; tomorrow's daylight will last for 10h and 52min.
A daytime temperature reaching up to a delightful 68°F will sharply contrast with a nighttime low of an icy 39.2°F.
The forecast high of 68°F aligns more closely with September's typical high of 70.9°F than with October's usual 56.5°F.
Sunrise will be at 7:17 am and sunset at 6:09 pm; tomorrow's daylight will last for 10h and 52min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 66°C.
Coldest hour: 6 am 41°C.
Coldest hour: 6 am 41°C.
Chance of precipitation
Highest chance: 3 am - 6 am 6%.
Hourly weather forecast
- 12 am
- 48°F
- Feels like:46°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 6mphSW 216°
- Humidity: 74%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 45°F
- Feels like:43°F
Clear
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 4mphSW 218°
- Humidity: 83%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 43°F
- Feels like:41°F
Clear
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 4mphSSW 209°
- Humidity: 88%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 41°F
- Feels like:41°F
Clear
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 3mphSSW 201°
- Humidity: 89%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:17 am
- 8 am
- 43°F
- Feels like:43°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 2mphSSW 202°
- Humidity: 88%
- Pressure: 30.36"Hg
- Visibility: 8mi
- UV index: 0
- details ▼
- 10 am
- 54°F
- Feels like:52°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphSSW 205°
- Humidity: 66%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 63°F
- Feels like:63°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphSSW 203°
- Humidity: 52%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 66°F
- Feels like:66°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphSSW 204°
- Humidity: 46%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 66°F
- Feels like:66°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphSSW 198°
- Humidity: 45%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 59°F
- Feels like:59°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 1mphSSE 167°
- Humidity: 57%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:09 pm
- 8 pm
- 52°F
- Feels like:52°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 1mphSE 146°
- Humidity: 74%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 48°F
- Feels like:48°F
Mostly Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 1mphSSE 158°
- Humidity: 82%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Monday, a combination of mostly clear and gloomy weather is forecasted.
The temperature will be between the lowest temperature of 41°F and the highest temperature of 66.2°F. The warmest part of the day will be from 2 pm to 4 pm.
The highest temperature is more resembling September's average maximum of 70.9°F than October's usual of 56.5°F. The minimum temperature will be similar to October's average low of 41°F.
The temperature will be between the lowest temperature of 41°F and the highest temperature of 66.2°F. The warmest part of the day will be from 2 pm to 4 pm.
The highest temperature is more resembling September's average maximum of 70.9°F than October's usual of 56.5°F. The minimum temperature will be similar to October's average low of 41°F.
Updated: Oct 18, 2026 @ 08:01:30 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
Tomorrow, sunny intervals will be long-lasting, with few disruptions.
Tomorrow, the highest temperature will be 68°F, while the lowest temperature will be 39.2°F.
The highest temperature will be uncommonly higher than the average maximum of 56.5°F in October. The lowest temperature will be in line with the average low of 41°F.
The highest temperature will be uncommonly higher than the average maximum of 56.5°F in October. The lowest temperature will be in line with the average low of 41°F.
On Monday, in Merrimac, sunrise will be at 7:17 am and sunset at 6:09 pm (CDT).
In Merrimac, the length of the day tomorrow will be 10h and 52min.
