Weather forecast for 10 daysGrantfork, IL

Weather forecast for the weekend

Saturday Oct 24, 2026

  • 77°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 5mphSE 128°
  • Humidity: 52%
  • UV index: 4
  • Sunrise: 7:17 am CDT
  • Sunset: 6:08 pm CDT
  • ▼
On Saturday, in Grantfork, mostly clear with scattered clouds is expected.
Temperature readings will span from a daytime high of a temperate 77°F to a night low of a chilly 46.4°F.
Today, meteorological data suggests the high will feel more like September, based on a forecast of 77°F.
Sunrise will be at 7:17 am and sunset at 6:08 pm; the daylight will last for 10h and 50min.

Sunday Oct 25, 2026

  • 79°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 4mphSSE 162°
  • Humidity: 52%
  • UV index: 4
  • Sunrise: 7:18 am CDT
  • Sunset: 6:06 pm CDT
  • ▼
On Sunday, in Grantfork, occasional cloudiness will be present, but there will still be plenty of sun.
The temperature is predicted to vary significantly from a high of a warm 78.8°F to a low of a fresh 50°F.
The expected high of 78.8°F appears seasonally off, better matching September's typical values.
Sunrise will be at 7:18 am and sunset at 6:06 pm; tomorrow's daylight will last for 10h and 49min.

10-day overview

Daily temperatures

Warmest period: Thursday - Friday 81°C.
Coldest day: Monday 02.11. 70°C.

Chance of precipitation

Highest chance: Sunday 01.11. 44%.

Long-term weather forecast

  • Saturday
  • Oct 24, 2026
  • 77°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 5mphSE 128°
  • Humidity: 52%
  • UV index: 4
  • Sunrise: 7:17 am CDT
  • Sunset: 6:08 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 79°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 4mphSSE 162°
  • Humidity: 52%
  • UV index: 4
  • Sunrise: 7:18 am CDT
  • Sunset: 6:06 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 79°F
  • 50°F
AM Clouds / PM Sun
AM Clouds / PM Sun
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 5mphSSW 210°
  • Humidity: 54%
  • UV index: 3
  • Sunrise: 7:19 am CDT
  • Sunset: 6:05 pm CDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 77°F
  • 52°F
Cloudy
Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 7mphS 174°
  • Humidity: 55%
  • UV index: 2
  • Sunrise: 7:20 am CDT
  • Sunset: 6:04 pm CDT
  • ▼
  • Wednesday
  • Oct 28, 2026
  • 79°F
  • 52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 9mphSSW 192°
  • Humidity: 52%
  • UV index: 4
  • Sunrise: 7:21 am CDT
  • Sunset: 6:03 pm CDT
  • ▼
  • Thursday
  • Oct 29, 2026
  • 81°F
  • 52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 7mphSSW 201°
  • Humidity: 51%
  • UV index: 4
  • Sunrise: 7:22 am CDT
  • Sunset: 6:01 pm CDT
  • ▼
  • Friday
  • Oct 30, 2026
  • 81°F
  • 59°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 7mphS 182°
  • Humidity: 50%
  • UV index: 3
  • Sunrise: 7:23 am CDT
  • Sunset: 6:00 pm CDT
  • ▼
  • Saturday
  • Oct 31, 2026
  • 79°F
  • 61°F
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 10mphS 173°
  • Humidity: 64%
  • UV index: 2
  • Sunrise: 7:24 am CDT
  • Sunset: 5:59 pm CDT
  • ▼
  • Sunday
  • Nov 1, 2026
  • 73°F
  • 57°F
Showers
Showers
  • Precip. probability: 44%
  • Precipitation: 0.28"
  • Wind: 11mphSSW 200°
  • Humidity: 76%
  • UV index: 2
  • Sunrise: 7:26 am CDT
  • Sunset: 5:58 pm CDT
  • ▼
  • Monday
  • Nov 2, 2026
  • 70°F
  • 50°F
Showers
Showers
  • Precip. probability: 42%
  • Precipitation: 0.59"
  • Wind: 7mphSSW 201°
  • Humidity: 73%
  • UV index: 2
  • Sunrise: 6:27 am CST
  • Sunset: 4:57 pm CST
  • ▼
Forecasts for the ten-day outlook show that primarily gloomy and occasionally wet weather is anticipated.
Rainfall is forecasted for next Sunday and Monday.
In the upcoming period, the maximum temperature will vary between 69.8°F and 80.6°F, while there will be a marked difference in overnight low temperatures, as temperatures overnight will fluctuate from 46.4°F up to 60.8°F.
With a maximum temperature of 80.6°F, Thursday and Friday will be the warmest days; next Monday will be the coldest day, with the highest temperature of 69.8°F.
Updated: Oct 24, 2026 @ 07:24:41 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, a pleasant mix of sun and clouds will define the day.

Today, the maximum temperature will be 77°F, while the minimum temperature will be 46.4°F.
Today, the highest temperature will be uncommonly higher than the average maximum of 65.7°F in October. The lowest temperature today will be in line with the average low temperature.

On Saturday, in Grantfork, sunrise will be at 7:17 am and sunset at 6:08 pm (CDT).

Today, the daylight will last for 10h and 50min.

On Sunday, expect a mix of sun and clouds throughout the day.

Tomorrow, the highest temperature will be 78.8°F, while the lowest temperature will be 50°F.
Tomorrow, the maximum temperature will be notably higher than the average highest temperature of 65.7°F in October. The lowest temperature will be in line with the average low of 48.9°F.

On Sunday, in Grantfork, sunrise will be at 7:18 am and sunset at 6:06 pm (CDT).

In Grantfork, Illinois, the length of the day tomorrow will be 10h and 49min.