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

Sun 3/1
Snowy Weather
Day 36°
Night 23°
55
Mon 3/2
Snowy Weather
Day 36°
Night 21°
55
Tue 3/3
Sunny Weather
Day 37°
Night 19°
10
Wed 3/4
Cloudy Weather
Day 36°
Night 25°
25
Thu 3/5
Snowy Weather
Day 36°
Night 21°
75
Fri 3/6
Cloudy Weather
Day 36°
Night 19°
25
Sat 3/7
Cloudy Weather
Day 36°
Night 18°
Sun 3/8
Cloudy Weather
Day 36°
Night 19°
Mon 3/9
Cloudy Weather
Day 36°
Night 18°
Tue 3/10
Cloudy Weather
Day 34°
Night 18°
Wed 3/11
Cloudy Weather
Day 36°
Night 21°
Thu 3/12
Sunny Weather
Day 37°
Night 19°
Fri 3/13
Icy Road Conditions
Day 39°
Night 27°
Sat 3/14
Cloudy Weather
Day 41°
Night 28°
Sun 3/15
Cloudy Weather
Day 43°
Night 25°
Mon 3/16
Rainy Weather
Day 43°
Night 36°
Tue 3/17
Cloudy Weather
Day 45°
Night 32°
Wed 3/18
Cloudy Weather
Day 45°
Night 28°
Thu 3/19
Sunny Weather
Day 46°
Night 27°
Fri 3/20
Rainy Weather
Day 57°
Night 28°
Sat 3/21
Icy Road Conditions
Day 52°
Night 32°
Sun 3/22
Sunny Weather
Day 52°
Night 28°
Mon 3/23
Rainy Weather
Day 55°
Night 28°
Tue 3/24
Cloudy Weather
Day 46°
Night 30°
Wed 3/25
Cloudy Weather
Day 54°
Night 37°
Thu 3/26
Cloudy Weather
Day 54°
Night 43°
Fri 3/27
Cloudy Weather
Day 63°
Night 43°
Sat 3/28
Rainy Weather
Day 63°
Night 32°
Sun 3/29
Rainy Weather
Day 57°
Night 30°
Mon 3/30
Icy Road Conditions
Day 52°
Night 36°
Tue 3/31
Cloudy Weather
Day 52°
Night 45°