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October Normals for Chatham, MA

< September November > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 50 66 58 0.12 8 -- 2 49 65 57 0.12 8 0 3 49 65 57 0.12 8 0 4 48 64 56 0.12 9 0 5 48 64 56 0.12 9 0 6 48 64 56 0.12 9 0 7 47 63 55 0.12 10 0 8 47 63 55 0.12 10 0 9 46 63 55 0.12 11 0 10 46 62 54 0.12 11 0 11 46 62 54 0.12 11 0 12 45 62 54 0.12 12 0 13 45 61 53 0.13 12 0 14 45 61 53 0.13 12 0 15 44 61 53 0.13 12 0 16 44 60 52 0.13 13 0 17 44 60 52 0.13 13 0 18 43 60 52 0.13 13 0 19 43 59 51 0.13 14 0 20 43 59 51 0.13 14 0 21 43 59 51 0.13 14 0 22 42 59 51 0.13 15 0 23 42 58 50 0.13 15 0 24 42 58 50 0.13 15 0 25 42 58 50 0.13 15 0 26 41 57 49 0.13 16 0 27 41 57 49 0.13 16 0 28 41 57 49 0.13 16 0 29 41 56 49 0.13 16 0 30 41 56 48 0.13 17 0 31 40 56 48 0.13 17 0 Month 44 61 53 3.91 391 1 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