Weather forecast for 10 daysMonmouth, IL
Weather forecast for the weekend
Sunday Oct 18, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 12mphS 187°
- Humidity: 57%
- UV index: 4
- Sunrise: 7:17 am CDT
- Sunset: 6:17 pm CDT
- details ▼
Today, in Monmouth, expect sunny weather with a crisp, clear sky.
A stark contrast will be evident between the daytime peak temperature of an enjoyable 66.2°F and the nighttime low of a cold 37.4°F.
The forecasted temperature is slightly warmer than October's regular maximum of 61.7°F.
Sunrise will be at 7:17 am and sunset at 6:17 pm; the daylight will last for 11h and 0min.
A stark contrast will be evident between the daytime peak temperature of an enjoyable 66.2°F and the nighttime low of a cold 37.4°F.
The forecasted temperature is slightly warmer than October's regular maximum of 61.7°F.
Sunrise will be at 7:17 am and sunset at 6:17 pm; the daylight will last for 11h and 0min.
10-day overview
Daily temperatures
Maximum temperature: 75°C.
Coldest day: today 66°C.
Coldest day: today 66°C.
Chance of precipitation
Highest chance: Tuesday 27.10. 21%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 12mphS 187°
- Humidity: 57%
- UV index: 4
- Sunrise: 7:17 am CDT
- Sunset: 6:17 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 68°F
- 41°F
Mostly Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 5mphSSE 166°
- Humidity: 57%
- UV index: 4
- Sunrise: 7:18 am CDT
- Sunset: 6:16 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 72°F
- 43°F
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 5mphSE 133°
- Humidity: 54%
- UV index: 4
- Sunrise: 7:19 am CDT
- Sunset: 6:14 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 73°F
- 46°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphS 175°
- Humidity: 57%
- UV index: 4
- Sunrise: 7:20 am CDT
- Sunset: 6:13 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 75°F
- 45°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphSE 140°
- Humidity: 58%
- UV index: 4
- Sunrise: 7:22 am CDT
- Sunset: 6:11 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 73°F
- 48°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 9mphSE 140°
- Humidity: 58%
- UV index: 4
- Sunrise: 7:23 am CDT
- Sunset: 6:10 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 75°F
- 52°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 10mphSSE 158°
- Humidity: 52%
- UV index: 3
- Sunrise: 7:24 am CDT
- Sunset: 6:09 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 75°F
- 52°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphS 191°
- Humidity: 54%
- UV index: 3
- Sunrise: 7:25 am CDT
- Sunset: 6:07 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 72°F
- 50°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 6mphSE 145°
- Humidity: 58%
- UV index: 3
- Sunrise: 7:26 am CDT
- Sunset: 6:06 pm CDT
- details ▼
- Tuesday
- Oct 27, 2026
- 70°F
- 52°F
Mostly Cloudy
- Precip. probability: 21%
- Precipitation: 0"
- Wind: 7mphSE 139°
- Humidity: 67%
- UV index: 3
- Sunrise: 7:27 am CDT
- Sunset: 6:05 pm CDT
- details ▼
It is expected that a combination of dry and sunny and cloud-filled weather is expected.
Rain is not predicted in Monmouth in the upcoming period.
In the coming days, the highest temperature will range between 66.2°F and 75.2°F, while the lowest nightly temperature differences will be quite pronounced, as temperatures overnight will fluctuate from 37.4°F up to 51.8°F.
Thursday, Saturday and next Sunday, with the highest temperature of 75.2°F, will be the warmest days; today is the coldest day, with a maximum temperature of 66.2°F.
Rain is not predicted in Monmouth in the upcoming period.
In the coming days, the highest temperature will range between 66.2°F and 75.2°F, while the lowest nightly temperature differences will be quite pronounced, as temperatures overnight will fluctuate from 37.4°F up to 51.8°F.
Thursday, Saturday and next Sunday, with the highest temperature of 75.2°F, will be the warmest days; today is the coldest day, with a maximum temperature of 66.2°F.
Updated: Oct 18, 2026 @ 08:08:56 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Today, in Monmouth, sunny skies and pleasant visibility are expected.
Today, the maximum temperature in Monmouth, Illinois, will be 66.2°F, while the minimum temperature will be 37.4°F.
Today, the highest temperature will be slightly warmer than the average maximum temperature in October. The lowest temperature will be also slightly cooler than the average low of 45.9°F.
Today, the highest temperature will be slightly warmer than the average maximum temperature in October. The lowest temperature will be also slightly cooler than the average low of 45.9°F.
On Sunday, in Monmouth, sunrise will be at 7:17 am and sunset at 6:17 pm (CDT).
Today, the daylight will last for 11h and 0min.
