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Today Hourly 7 days 30 days May
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May 2026 Weather | Decatur, Illinois

Today 5/20
Partly Sunny with Showers
Day 68°
Night 48°
55
Thu 5/21
Cloudy Weather
Day 72°
Night 55°
5
Fri 5/22
Stormy Weather
Day 66°
Night 61°
88
Sat 5/23
Rainy Weather
Day 75°
Night 63°
84
Sun 5/24
Cloudy Weather
Day 75°
Night 61°
25
Mon 5/25
Cloudy Weather
Day 77°
Night 63°
25
Tue 5/26
Partly Sunny with Showers
Day 79°
Night 64°
55
Wed 5/27
Rainy Weather
Day 79°
Night 64°
70
Thu 5/28
Rainy Weather
Day 79°
Night 63°
70
Fri 5/29
Stormy Weather
Day 79°
Night 63°
68
Sat 5/30
Rainy Weather
Day 81°
Night 64°
55
Sun 5/31
Rainy Weather
Day 81°
Night 63°
55

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