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October Normals for Downey, IL

< September November > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 47 66 57 0.08 8 -- 2 47 66 57 0.08 9 -- 3 47 66 56 0.08 9 -- 4 46 65 56 0.08 9 -- 5 46 65 55 0.08 10 0 6 46 64 55 0.08 10 0 7 45 64 55 0.07 11 0 8 45 64 54 0.07 11 0 9 45 63 54 0.07 11 0 10 44 63 54 0.07 12 0 11 44 62 53 0.07 12 0 12 43 62 53 0.07 12 0 13 43 61 52 0.07 13 0 14 43 61 52 0.07 13 0 15 42 61 51 0.07 14 0 16 42 60 51 0.07 14 0 17 42 60 51 0.07 14 0 18 41 59 50 0.07 15 0 19 41 59 50 0.07 15 0 20 40 58 49 0.07 16 0 21 40 58 49 0.07 16 0 22 40 57 49 0.07 17 0 23 39 57 48 0.07 17 0 24 39 56 48 0.07 17 0 25 39 56 47 0.07 18 0 26 38 56 47 0.07 18 0 27 38 55 46 0.07 19 0 28 37 55 46 0.07 19 0 29 37 54 46 0.08 20 0 30 37 54 45 0.08 20 0 31 36 53 45 0.08 20 0 Month 42 60 51 2.26 439 4 Data Controls Monthly: January February March April May June July August September October November December   | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather