Weather forecast for tomorrowMercer, IA
Weather forecast for tomorrow
Monday Oct 19, 2026
- 68°F
- 45°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 11mphS 175°
- Humidity: 59%
- UV index: 4
- Sunrise: 7:34 am CDT
- Sunset: 6:32 pm CDT
- details ▼
On Monday, in Mercer, a partly cloudy outlook will keep the sky interesting throughout the day.
The temperature is anticipated to oscillate between a maximum of an agreeable 68°F and a minimum of a frosty 44.6°F.
The day’s top temperature is expected to be a couple of degrees higher than the typical October high of 61.3°F.
Sunrise will be at 7:34 am and sunset at 6:32 pm; tomorrow's daylight will last for 10h and 58min.
The temperature is anticipated to oscillate between a maximum of an agreeable 68°F and a minimum of a frosty 44.6°F.
The day’s top temperature is expected to be a couple of degrees higher than the typical October high of 61.3°F.
Sunrise will be at 7:34 am and sunset at 6:32 pm; tomorrow's daylight will last for 10h and 58min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 66°C.
Coldest hour: 6 am 43°C.
Coldest hour: 6 am 43°C.
Chance of precipitation
Highest chance: 6 am 7%.
Hourly weather forecast
- 12 am
- 48°F
- Feels like:45°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 7mphS 189°
- Humidity: 79%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 46°F
- Feels like:43°F
Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphS 187°
- Humidity: 86%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 45°F
- Feels like:41°F
Mostly Clear
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 6mphS 178°
- Humidity: 88%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 43°F
- Feels like:39°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 6mphSSE 169°
- Humidity: 92%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:34 am
- 8 am
- 45°F
- Feels like:41°F
Mostly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 6mphSSE 162°
- Humidity: 90%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 54°F
- Feels like:52°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 8mphS 172°
- Humidity: 71%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 63°F
- Feels like:61°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 10mphS 183°
- Humidity: 53%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 66°F
- Feels like:66°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphS 186°
- Humidity: 44%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 66°F
- Feels like:66°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 10mphS 179°
- Humidity: 41%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 6 pm
- 63°F
- Feels like:63°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 7mphSSE 167°
- Humidity: 46%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:32 pm
- 8 pm
- 55°F
- Feels like:55°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 5mphSSE 148°
- Humidity: 62%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 52°F
- Feels like:50°F
Mostly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphSSE 150°
- Humidity: 69%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, a combination of overcast and sunny weather is predicted.
The temperature will be between the lowest temperature of 42.8°F and the highest temperature of 66.2°F. The warmest part of the day will be from 2 pm to 4 pm.
The maximum temperature will be moderately higher than October's average high of 61.3°F. The expected low will be also consistent with the average minimum in October, which is 44.4°F.
The temperature will be between the lowest temperature of 42.8°F and the highest temperature of 66.2°F. The warmest part of the day will be from 2 pm to 4 pm.
The maximum temperature will be moderately higher than October's average high of 61.3°F. The expected low will be also consistent with the average minimum in October, which is 44.4°F.
Updated: Oct 18, 2026 @ 11:41:48 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, in Mercer, moderate cloud cover will mix with sunshine throughout the day.
Tomorrow, the maximum temperature will be 68°F, while the minimum temperature will be 44.6°F.
The maximum temperature will be a few degrees higher than the average highest temperature of 61.3°F in October. The lowest temperature will be in line with the average low of 44.4°F.
The maximum temperature will be a few degrees higher than the average highest temperature of 61.3°F in October. The lowest temperature will be in line with the average low of 44.4°F.
On Monday, in Mercer, sunrise will be at 7:34 am and sunset at 6:32 pm (CDT).
In Mercer, Iowa, tomorrow, there will be 10h and 58min of daylight.





