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Decatur, Illinois 7-day weather forecast
Stacker created the forecast for Decatur, Illinois using data from OpenWeather. This week's high is 83 °F on Monday, while the low is 58 °F on Monday. There are expected to be 2 sunny days and rain on 4 days this week.
There are currently no weather alerts.
Monday, June 2
- High of 83 °F, low of 58 °F (49% humidity)- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (7 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 5:29 AM, sunset at 8:18 PM
- First quarter moon
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1 / 6
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Tuesday, June 3
- High of 82 °F, low of 65 °F (64% humidity)
- Mostly cloudy with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Fresh breeze (20 mph wind)
- Sunrise at 5:28 AM, sunset at 8:19 PM
- Mostly cloudy with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Fresh breeze (20 mph wind)
- Sunrise at 5:28 AM, sunset at 8:19 PM

2 / 6
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Wednesday, June 4
- High of 72 °F, low of 63 °F (96% humidity)
- Overcast with a 100% chance of rain (11 mm of rain)
- Moderate risk of harm from sun exposure (4 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 5:28 AM, sunset at 8:20 PM
- Overcast with a 100% chance of rain (11 mm of rain)
- Moderate risk of harm from sun exposure (4 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 5:28 AM, sunset at 8:20 PM

3 / 6
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Thursday, June 5
- High of 80 °F, low of 62 °F (58% humidity)
- Fair with a 100% chance of rain (4 mm of rain)
- Very high risk of harm from sun exposure (9 UV index)
- Light breeze (6 mph wind)
- Sunrise at 5:28 AM, sunset at 8:20 PM
- Fair with a 100% chance of rain (4 mm of rain)
- Very high risk of harm from sun exposure (9 UV index)
- Light breeze (6 mph wind)
- Sunrise at 5:28 AM, sunset at 8:20 PM

4 / 6
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Friday, June 6
- High of 79 °F, low of 68 °F (76% humidity)
- Overcast with a 100% chance of rain (25 mm of rain)
- Fresh breeze (21 mph wind)
- Sunrise at 5:27 AM, sunset at 8:21 PM
- Overcast with a 100% chance of rain (25 mm of rain)
- Fresh breeze (21 mph wind)
- Sunrise at 5:27 AM, sunset at 8:21 PM

5 / 6
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Saturday, June 7
- High of 66 °F, low of 58 °F (76% humidity)
- Overcast with a 0% chance of rain
- Gentle breeze (9 mph wind)
- Sunrise at 5:27 AM, sunset at 8:22 PM
- Overcast with a 0% chance of rain
- Gentle breeze (9 mph wind)
- Sunrise at 5:27 AM, sunset at 8:22 PM
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6 / 6
Valeriy Boyarskiy // Shutterstock
Sunday, June 8
- High of 71 °F, low of 61 °F (73% humidity)
- Overcast with a 100% chance of rain (24 mm of rain)
- Gentle breeze (12 mph wind)
- Sunrise at 5:27 AM, sunset at 8:22 PM
- Overcast with a 100% chance of rain (24 mm of rain)
- Gentle breeze (12 mph wind)
- Sunrise at 5:27 AM, sunset at 8:22 PM