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What is Marietta, WA, Weather Like in October?

During the month of October, Marietta, WA, has an average daytime high temperature of 59°F and an average overnight low temperature dropping to 43°F. Around 3.85 inches of precipitation is received during the month, with about 25.18 inches falling in a typical year. Snow is not common in Marietta, WA.

October 2025: Actual vs. Average Temperatures

Showing temperatures through today (October 26, 2025)
Actual High Average High Actual Low Average Low

Month Summary
Average High: 58.7 F (-1.1 vs avg)
Average Low: 43.3 F (-0.5 vs avg)

Actual data from: KBLI

Marietta, WA Daily Weather Averages for October

Recorded at Bellingham Intl Ap (usw00024217), 2 miles ENE of Marietta, WA
Day Avg Temps (°F) Precip (in) Snow (in) Degree Days (°F)
Low High Mean Month Year Month Year Heat Cool
10/1 46 F 64 F 55 F 0.08" 21.41" N/A N/A 10 F N/A
10/2 46 F 63 F 55 F 0.17" 21.50" N/A N/A 10.3 F N/A
10/3 46 F 63 F 55 F 0.26" 21.59" N/A N/A 10.5 F N/A
10/4 46 F 63 F 54 F 0.36" 21.69" N/A N/A 10.8 F N/A
10/5 45 F 62 F 54 F 0.45" 21.78" N/A N/A 11.1 F N/A
10/6 45 F 62 F 54 F 0.56" 21.89" N/A N/A 11.4 F N/A
10/7 45 F 62 F 53 F 0.66" 21.99" N/A N/A 11.6 F N/A
10/8 45 F 61 F 53 F 0.77" 22.10" N/A N/A 11.9 F N/A
10/9 45 F 61 F 53 F 0.88" 22.21" N/A N/A 12.2 F N/A
10/10 44 F 61 F 53 F 0.99" 22.32" N/A N/A 12.5 F N/A
10/11 44 F 60 F 52 F 1.10" 22.43" N/A N/A 12.7 F N/A
10/12 44 F 60 F 52 F 1.21" 22.54" N/A N/A 13 F N/A
10/13 44 F 60 F 52 F 1.32" 22.65" N/A N/A 13.3 F N/A
10/14 44 F 59 F 52 F 1.44" 22.77" N/A N/A 13.5 F N/A
10/15 43 F 59 F 51 F 1.56" 22.89" N/A N/A 13.8 F N/A
10/16 43 F 59 F 51 F 1.68" 23.01" N/A N/A 14.1 F N/A
10/17 43 F 58 F 51 F 1.80" 23.13" N/A N/A 14.3 F N/A
10/18 43 F 58 F 50 F 1.93" 23.26" N/A N/A 14.6 F N/A
10/19 43 F 58 F 50 F 2.06" 23.39" N/A N/A 14.8 F N/A
10/20 42 F 58 F 50 F 2.20" 23.53" N/A N/A 15.1 F N/A
10/21 42 F 57 F 50 F 2.34" 23.67" N/A N/A 15.3 F N/A
10/22 42 F 57 F 49 F 2.48" 23.81" N/A N/A 15.6 F N/A
10/23 42 F 57 F 49 F 2.63" 23.96" N/A N/A 15.8 F N/A
10/24 42 F 56 F 49 F 2.78" 24.11" N/A N/A 16 F N/A
10/25 41 F 56 F 49 F 2.93" 24.26" N/A N/A 16.2 F N/A
10/26 41 F 56 F 49 F 3.08" 24.41" N/A N/A 16.5 F N/A
10/27 41 F 56 F 48 F 3.23" 24.56" N/A N/A 16.7 F N/A
10/28 41 F 55 F 48 F 3.38" 24.71" N/A N/A 16.9 F N/A
10/29 41 F 55 F 48 F 3.54" 24.87" N/A N/A 17.1 F N/A
10/30 41 F 55 F 48 F 3.69" 25.02" N/A N/A 17.3 F N/A
10/31 40 F 55 F 48 F 3.85" 25.18" N/A N/A 17.5 F N/A
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