Frankfort

Schuyler County, Illinois, United States

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Current Weather

29°

Clear

Feels Like: 30°

Min: 18°

Max: 32°

The next few hours will be overcast, with today reaching 32°C and dropping to 19°C. The coming days will be mostly cloudy throughout the day.

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Hourly Forecast

28° 30° 31° 32° 31° 30° 29° 27° 25° 25° 25° 25° 24° 23° 21° 19° 19° 19° 19° 19° 20° 21° 21° 22°
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1am
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Today
Tomorrow

Daylight Hours

06:38

Sunrise

18:53

Sunset

12 hours 15 minutes of sunlight today

Moon

Waxing Crescent

11:32

Moonrise

20:24

Moonset

Daily Forecast

Today

18°
32°

Wednesday

19°
24°

Thursday

20°
26°

Friday

19°
24°

Saturday

19°
26°

Sunday

19°
23°

Monday

17°
21°

Tuesday

15°
21°

Wednesday

15°
21°

Thursday

14°
20°

Air Quality Data Available

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UV Index

Wear sunscreen
5 Moderate
Low Extreme

Humidity

50% Dry
Low High

Weather in Frankfort today, September 15, 2026

Frankfort stays under cloudy skies on September 15, 2026, with only brief brighter breaks. Plan for a day that feels grey more often than open.

The day peaks near 32°C and cools toward 18°C. Moisture in the air spans 50%-82%, with the highest values around 20:00. A lighter breeze peaks around 14:00 near 5.4 km/h.

The afternoon keeps an overcast feel, as cloud reaches about 100% around 17:00. Outdoor plans may still want a flexible backup. Expect visibility around 16.1 km. Expect sunrise at 06:38, sunset at 18:53, and 12 hours 15 minutes of sunlight today overall.

In short, cloud leads the story in Frankfort on September 15, 2026; expect limited sun and a peak around 32°C.

Frequently asked questions about weather in Frankfort

How warm does it get in Frankfort?

The warmest month in Frankfort is July, with average high temperatures of 29°C. The average temperature during this period is around 24°C.

How cold does it get in Frankfort?

The coldest month in Frankfort is January, with average low temperatures of -6°C. The average temperature during this period is around -3°C.

What is the wettest time of year in Frankfort?

The wettest month in Frankfort is May, with an average of 129mm of precipitation.

What is the driest time of year in Frankfort?

The driest month in Frankfort is December, with an average of 60mm of precipitation.

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Metric (°C, km/h)