Jefferson County, IL 14 Day Weather - WeatherWorld.com

Pleasant near 77°F 25°C, sunny throughout the day, with steady humidity and steady pressure.

Comfortable with temperatures reaching 75°F 24°C, sunny throughout the day, with steady humidity and steady pressure.

Enjoyable around 75°F 24°C, sunny in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure.

Mild temperatures up to 78°F 26°C, overcast in the morning, partly cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure.

Mild with a high of 77°F 25°C, overcast throughout the day, with steady humidity and steady pressure.

Pleasant near 72°F 22°C, overcast throughout the day, with lower humidity and steady pressure.

Comfortable with temperatures reaching 71°F 22°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure.

Cool with a high near 66°F 19°C, cloudy in the morning, becoming partly cloudy through the afternoon and evening, with steady humidity and steady pressure.

Refreshing around 61°F 16°C, partly cloudy throughout the day, with steady humidity and steady pressure.

Mildly cool near 58°F 15°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure.

Chilly near 56°F 13°C, showers lingering into the afternoon before clearing, with increasing humidity and steady pressure.

Crisp with a high near 54°F 12°C, sunny throughout the day, with lower humidity and steady pressure. Winds turning from the NNW to the N at 9 mph 15 km/h. Gusts up to 21 mph 33 km/h.

Brisk around 52°F 11°C, partly cloudy through the afternoon, turning sunny this evening, with steady humidity and steady pressure.

Cool and brisk at 55°F 13°C, cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure.