Weather forecast for 10 daysQuincy, IL

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 59°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphSSW 209°
  • Humidity: 38%
  • UV index: 4
  • Sunrise: 7:18 am CDT
  • Sunset: 6:23 pm CDT
  • ▼
Today, in Quincy, uninterrupted sunshine is anticipated.
Temperatures are forecasted to range from a maximum of a refreshing 59°F to a minimum of an icy 41°F.
The daily maximum temperature is predicted to be moderately lower than October's climate average of 63.5°F.
Sunrise was at 7:18 am and sunset will be at 6:23 pm; the daylight will last for 11h and 5min.

Sunday Oct 18, 2026

  • 68°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 10mphS 180°
  • Humidity: 51%
  • UV index: 4
  • Sunrise: 7:19 am CDT
  • Sunset: 6:21 pm CDT
  • ▼
Tomorrow, in Quincy, clear and sunny conditions are expected.
Significant temperature variations are anticipated, soaring to a maximum of a pleasant 68°F and descending to a minimum of a cold 41°F.
Tomorrow's forecasted high will be relatively higher than the typical October high of 63.5°F.
Sunrise will be at 7:19 am and sunset at 6:21 pm; tomorrow's daylight will last for 11h and 2min.

10-day overview

Daily temperatures

Warmest period: Thursday - Sunday 79°C.
Coldest day: today 59°C.

Chance of precipitation

Highest chance: Sunday 25.10. 16%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 59°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphSSW 209°
  • Humidity: 38%
  • UV index: 4
  • Sunrise: 7:18 am CDT
  • Sunset: 6:23 pm CDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 68°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 10mphS 180°
  • Humidity: 51%
  • UV index: 4
  • Sunrise: 7:19 am CDT
  • Sunset: 6:21 pm CDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 70°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 4mphSSE 167°
  • Humidity: 53%
  • UV index: 4
  • Sunrise: 7:20 am CDT
  • Sunset: 6:20 pm CDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 73°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 5mphSSE 155°
  • Humidity: 54%
  • UV index: 4
  • Sunrise: 7:21 am CDT
  • Sunset: 6:19 pm CDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 75°F
  • 48°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 14%
  • Precipitation: 0"
  • Wind: 4mphS 187°
  • Humidity: 53%
  • UV index: 4
  • Sunrise: 7:22 am CDT
  • Sunset: 6:17 pm CDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 79°F
  • 48°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 4mphS 171°
  • Humidity: 55%
  • UV index: 4
  • Sunrise: 7:23 am CDT
  • Sunset: 6:16 pm CDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 79°F
  • 50°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 7mphSE 146°
  • Humidity: 51%
  • UV index: 4
  • Sunrise: 7:24 am CDT
  • Sunset: 6:14 pm CDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 79°F
  • 54°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 7mphSSE 158°
  • Humidity: 50%
  • UV index: 4
  • Sunrise: 7:25 am CDT
  • Sunset: 6:13 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 79°F
  • 54°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 16%
  • Precipitation: 0"
  • Wind: 6mphSW 218°
  • Humidity: 53%
  • UV index: 3
  • Sunrise: 7:27 am CDT
  • Sunset: 6:12 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 75°F
  • 54°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 4mphS 177°
  • Humidity: 59%
  • UV index: 4
  • Sunrise: 7:28 am CDT
  • Sunset: 6:10 pm CDT
  • ▼
Weather patterns suggest that a combination of sun-filled and dull weather is expected.
Rain is not forecasted in Quincy in the upcoming period.
There will be a considerable variation in temperature in the upcoming period. Highs will range from 59°F to 78.8°F, while there will be also a marked difference in overnight low temperatures, as the overnight lows will vary from 41°F to 53.6°F.
Thursday through next Sunday, with the highest temperature of 78.8°F, will be the warmest days in Quincy; today is the coldest day, with a maximum temperature of 59°F.
Updated: Oct 17, 2026 @ 17:12:20 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, in Quincy, sunshine is forecasted under mostly clear skies.

Today, the highest temperature will be 59°F, while the lowest temperature will be 41°F.
The maximum temperature will be slightly cooler than the average highest temperature of 63.5°F in October. The lowest temperature today will be also a couple of degrees lower than the average low temperature.

On Saturday, in Quincy, sunrise was at 7:18 am and sunset will be at 6:23 pm (CDT).

In Quincy, today, there will be 11h and 5min of daylight.

On Sunday, the forecast calls for abundant sunshine.

Tomorrow, the highest temperature will be 68°F, while the lowest temperature will be 41°F.
The maximum temperature tomorrow will be relatively higher than the average highest temperature in October. The lowest temperature will be also moderately lower than the average low of 46.8°F.

On Sunday, in Quincy, sunrise will be at 7:19 am and sunset at 6:21 pm (CDT).

In Quincy, the length of the day tomorrow will be 11h and 2min.