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October Normals for Port Costa, CA

< September November > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 52 80 66 0.01 2 3 2 52 80 66 0.01 2 3 3 52 80 66 0.01 2 3 4 52 80 66 0.01 2 2 5 51 79 65 0.01 2 2 6 51 79 65 0.01 2 2 7 51 79 65 0.02 2 2 8 51 79 65 0.02 2 2 9 51 78 65 0.02 2 2 10 51 78 64 0.02 2 2 11 50 78 64 0.02 2 2 12 50 77 64 0.02 3 1 13 50 77 64 0.02 3 1 14 50 77 63 0.02 3 1 15 50 76 63 0.03 3 1 16 50 76 63 0.03 3 1 17 49 75 62 0.03 3 1 18 49 75 62 0.03 4 1 19 49 75 62 0.03 4 1 20 49 74 62 0.03 4 1 21 49 74 61 0.04 4 1 22 48 73 61 0.04 5 1 23 48 73 61 0.04 5 1 24 48 73 60 0.04 5 0 25 48 72 60 0.05 5 0 26 48 72 60 0.05 6 0 27 47 71 59 0.05 6 0 28 47 71 59 0.05 6 0 29 47 70 59 0.06 7 0 30 47 70 58 0.06 7 0 31 47 69 58 0.06 7 0 Month 50 76 63 0.94 115 37 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