Weather forecast for 10 daysMonticello, IA

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 66°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 15mphSSW 195°
  • Humidity: 56%
  • UV index: 4
  • Sunrise: 7:21 am CDT
  • Sunset: 6:18 pm CDT
  • ▼
Tomorrow, on Sunday, October 18, the weather remains calm, bright, and sunny.
A high of a breezy 66.2°F during the day contrasts markedly with a low of a wintry 37.4°F at night.
A forecast high of 66.2°F brings conditions more familiar to September's average than October's.
Sunrise will be at 7:21 am and sunset at 6:18 pm; tomorrow's daylight will last for 10h and 57min.

10-day overview

Daily temperatures

Warmest period: Thursday - Saturday 75°C.
Coldest day: tomorrow 66°C.

Chance of precipitation

Highest chance: Sunday 25.10. 17%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • min.
  • 37°F
Mostly Clear
Mostly Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 8mphSSW 196°
  • Humidity: 77%
  • UV index: 0
  • Sunrise: 7:20 am CDT
  • Sunset: 6:19 pm CDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 66°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 15mphSSW 195°
  • Humidity: 56%
  • UV index: 4
  • Sunrise: 7:21 am CDT
  • Sunset: 6:18 pm CDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 70°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 5mphS 175°
  • Humidity: 59%
  • UV index: 4
  • Sunrise: 7:22 am CDT
  • Sunset: 6:16 pm CDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 70°F
  • 43°F
Sunny
Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 6mphSE 139°
  • Humidity: 60%
  • UV index: 4
  • Sunrise: 7:23 am CDT
  • Sunset: 6:15 pm CDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 73°F
  • 46°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 6mphS 178°
  • Humidity: 63%
  • UV index: 4
  • Sunrise: 7:24 am CDT
  • Sunset: 6:13 pm CDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 75°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 4mphSE 139°
  • Humidity: 59%
  • UV index: 4
  • Sunrise: 7:26 am CDT
  • Sunset: 6:12 pm CDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 75°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 9mphSE 144°
  • Humidity: 59%
  • UV index: 3
  • Sunrise: 7:27 am CDT
  • Sunset: 6:10 pm CDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 75°F
  • 52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 11mphSSE 164°
  • Humidity: 57%
  • UV index: 3
  • Sunrise: 7:28 am CDT
  • Sunset: 6:09 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 70°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 17%
  • Precipitation: 0"
  • Wind: 7mphSSW 201°
  • Humidity: 60%
  • UV index: 3
  • Sunrise: 7:29 am CDT
  • Sunset: 6:07 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 70°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 6mphE 91°
  • Humidity: 61%
  • UV index: 3
  • Sunrise: 7:30 am CDT
  • Sunset: 6:06 pm CDT
  • ▼
Weather models show that a combination of overcast and sun-filled weather is anticipated.
Rain is not forecasted in Monticello in the upcoming period.
In the coming days, the highest temperature will range between 66.2°F and 75.2°F, while the nightly low temperatures will show a considerable swing, as the lowest temperatures will be recorded between 37.4°F and 51.8°F.
The warmest days will be Thursday through next Saturday, with a maximum of 75.2°F; expect the coldest day on Sunday with a high of 66.2°F.
Updated: Oct 18, 2026 @ 03:52:32 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, conditions remain stable and sunny, with little cloud presence.

Tomorrow, the highest temperature in Monticello will be 66.2°F, while the lowest temperature will be 37.4°F.
The highest temperature will be moderately higher than the average maximum of 58.6°F in October. Tomorrow, the lowest temperature will be also relatively lower than the average low temperature.

On Sunday, in Monticello, sunrise will be at 7:21 am and sunset at 6:18 pm (CDT).

In Monticello, the length of the day tomorrow will be 10h and 57min.