Radar Satellite Currents Severe Forecasts Climate Tropical Rivers
Temperature Change Precipitation Yesterday Records Normals Drought Short-Term Long-Term
Climatological Normals

October Normals for Portland, IL

< September November > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 48 66 57 0.09 9 -- 2 47 66 57 0.09 9 -- 3 47 65 56 0.09 9 -- 4 46 65 56 0.09 10 -- 5 46 65 55 0.09 10 0 6 46 64 55 0.08 10 0 7 45 64 54 0.08 11 0 8 45 63 54 0.08 11 0 9 44 63 54 0.08 12 0 10 44 62 53 0.08 12 0 11 44 62 53 0.08 12 0 12 43 61 52 0.08 13 0 13 43 61 52 0.08 13 0 14 42 61 52 0.08 14 0 15 42 60 51 0.08 14 0 16 42 60 51 0.08 14 0 17 41 59 50 0.08 15 0 18 41 59 50 0.08 15 0 19 41 58 49 0.09 16 0 20 40 58 49 0.09 16 0 21 40 57 49 0.09 16 0 22 40 57 48 0.09 17 0 23 39 56 48 0.09 17 0 24 39 56 47 0.09 18 0 25 38 55 47 0.09 18 0 26 38 54 46 0.09 19 0 27 38 54 46 0.09 19 0 28 37 53 45 0.09 20 0 29 37 53 45 0.09 20 0 30 37 52 44 0.09 20 0 31 36 52 44 0.09 21 0 Month 42 59 51 2.66 450 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