Carbondale weather
At 7:15 PM local time it was cloudy and 18°C (65°F). Mostly light, on-and-off rain; heavier around 12 PM, 1 PM (6.1 mm total). Best months for weather: Apr–Oct. Carbondale sits 131 m (430 ft) above sea level, which keeps it cooler than the coast. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Carbondale, Illinois, United States.
Current conditions
- Clouds
- 100%
- Chance of rain
- 3%
- Rain
- 0.0 mm/h
Hourly Forecast
Mostly light, on-and-off rain; heavier around 12 PM, 1 PM (6.1 mm total)
Daily Forecast
Best Time to Visit
Peak season Apr–OctOff season Dec–Feb
About Carbondale weather
Is it raining in Carbondale right now?
No. It’s cloudy and 18° right now. Mostly light, on-and-off rain; heavier around 12 PM, 1 PM (6.1 mm total).
What’s the weather like in Carbondale this week?
Over the next 7 days, expect highs of 12–25° and lows of 10–20°. Rain is likely on 4 of 7 days (Sunday, Tuesday, Wednesday, Thursday). The driest day looks like Friday.
Has it been raining in Carbondale lately?
Barely. The past 7 days were mostly dry, with 0.0 mm of rain in total.
What should I pack for Carbondale?
For the coming week, bring an umbrella or rain jacket and a warm layer for the evenings.
Carbondale weather by month
When is the best time to visit Carbondale?
Based on weather alone, the best time to visit Carbondale is Apr–Oct, according to NASA's 2001–2025 climate averages. Dec–Feb tends to be the least pleasant. Average highs run from 5°C (41°F) in January to 31°C (88°F) in August.
What is the rainiest month in Carbondale?
April is the wettest month, with about 133 mm (5.2 in) of rain on average. September is the driest, with about 78 mm (3.1 in).
What is the hottest month in Carbondale?
August is the warmest, with average highs of 31°C (88°F) and lows of 20°C (67°F). January is the coolest, with highs of 5°C (41°F) and lows of -4°C (24°F).
Does Carbondale have a rainy season?
Not a strong one. No month averages more than 150 mm of rain; the wettest is April at about 133 mm (5.2 in).
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), forecast and current conditions from Open-Meteo. Page updated . How we rate months