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What is Monmouth, OR, Weather Like in October?

During the month of October, Monmouth, OR, has an average daytime high temperature of 65°F and an average overnight low temperature dropping to 44°F. Around 3.80 inches of precipitation is received during the month, with about 31.86 inches falling in a typical year. Snow is not common in Monmouth, OR.

October 2025: Actual vs. Average Temperatures

Showing temperatures through today (October 27, 2025)
Actual High Average High Actual Low Average Low

Month Summary
Average High: 62.7 F (-3.1 vs avg)
Average Low: 45.3 F (+1.0 vs avg)

Daytime temperatures were significantly below average.

Actual data from: PWS_DALLASOR

Monmouth, OR Daily Weather Averages for October

Recorded at Dallas 2 Ne (usc00352112), 7.3 miles NNW of Monmouth, OR
Day Avg Temps (°F) Precip (in) Snow (in) Degree Days (°F)
Low High Mean Month Year Month Year Heat Cool
10/1 47 F 72 F 59 F 0.08" 28.14" N/A N/A 6.1 F 0.4 F
10/2 46 F 72 F 59 F 0.15" 28.21" N/A N/A 6.4 F 0.3 F
10/3 46 F 71 F 59 F 0.23" 28.29" N/A N/A 6.7 F 0.3 F
10/4 46 F 71 F 58 F 0.31" 28.37" N/A N/A 7 F 0.2 F
10/5 46 F 70 F 58 F 0.39" 28.45" N/A N/A 7.3 F 0.2 F
10/6 46 F 70 F 58 F 0.48" 28.54" N/A N/A 7.6 F 0.2 F
10/7 45 F 69 F 57 F 0.57" 28.63" N/A N/A 7.9 F 0.1 F
10/8 45 F 69 F 57 F 0.67" 28.73" N/A N/A 8.3 F 0.1 F
10/9 45 F 68 F 57 F 0.77" 28.83" N/A N/A 8.6 F 0.1 F
10/10 45 F 68 F 56 F 0.88" 28.94" N/A N/A 8.9 F 0.1 F
10/11 45 F 67 F 56 F 0.98" 29.04" N/A N/A 9.3 F 0.1 F
10/12 45 F 66 F 55 F 1.10" 29.16" N/A N/A 9.6 F 0.1 F
10/13 44 F 66 F 55 F 1.22" 29.28" N/A N/A 10 F 0.1 F
10/14 44 F 65 F 55 F 1.33" 29.39" N/A N/A 10.3 F 0.1 F
10/15 44 F 65 F 54 F 1.45" 29.51" N/A N/A 10.7 F 0.1 F
10/16 44 F 64 F 54 F 1.57" 29.63" N/A N/A 11 F 0.1 F
10/17 44 F 64 F 54 F 1.70" 29.76" N/A N/A 11.3 F 0.1 F
10/18 43 F 63 F 53 F 1.83" 29.89" N/A N/A 11.7 F N/A
10/19 43 F 63 F 53 F 1.96" 30.02" N/A N/A 12 F N/A
10/20 43 F 62 F 53 F 2.09" 30.15" N/A N/A 12.3 F N/A
10/21 43 F 62 F 52 F 2.22" 30.28" N/A N/A 12.7 F N/A
10/22 43 F 61 F 52 F 2.36" 30.42" N/A N/A 13 F N/A
10/23 43 F 61 F 52 F 2.50" 30.56" N/A N/A 13.3 F N/A
10/24 42 F 61 F 51 F 2.66" 30.72" N/A N/A 13.6 F N/A
10/25 42 F 60 F 51 F 2.82" 30.88" N/A N/A 13.9 F N/A
10/26 42 F 60 F 51 F 2.98" 31.04" N/A N/A 14.2 F N/A
10/27 42 F 59 F 51 F 3.14" 31.20" N/A N/A 14.5 F N/A
10/28 42 F 59 F 50 F 3.31" 31.37" N/A N/A 14.8 F N/A
10/29 42 F 58 F 50 F 3.47" 31.53" N/A N/A 15.1 F N/A
10/30 41 F 58 F 50 F 3.64" 31.70" N/A N/A 15.4 F N/A
10/31 41 F 58 F 49 F 3.80" 31.86" N/A N/A 15.7 F N/A
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