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What is East Union Post Office, WA, Weather Like in October?
During the month of October, East Union Post Office, WA,
has an average daytime high temperature of 61°F and an average overnight low temperature dropping to 47°F.
Around 3.49 inches of precipitation is received during the month,
with about 25.20 inches falling in a typical year.
Snow is not common in East Union Post Office, WA.
October 2025: Actual vs. Average Temperatures
Showing temperatures through today (October 25, 2025)
Actual High
Average High
Actual Low
Average Low
Month Summary
Average High: 64.2 F
(+2.1 vs avg)
Average Low: 48 F
(+0.7 vs avg)
Actual data from: PWS_KWASEATT2118
East Union Post Office, WA Daily Weather Averages for October
Recorded at Seattle Boeing Fld
(usw00024234),
5.6 miles
S of
East Union Post Office, WA
| Day | Avg Temps (°F) | Precip (in) | Snow (in) | Degree Days (°F) | |||||
|---|---|---|---|---|---|---|---|---|---|
| Low | High | Mean | Month | Year | Month | Year | Heat | Cool | |
| 10/1 | 50 F | 66 F | 58 F | 0.07" | 21.78" | N/A | N/A | 6.8 F | 0.1 F |
| 10/2 | 50 F | 66 F | 58 F | 0.14" | 21.85" | N/A | N/A | 7.1 F | 0.1 F |
| 10/3 | 50 F | 66 F | 58 F | 0.21" | 21.92" | N/A | N/A | 7.4 F | 0.1 F |
| 10/4 | 50 F | 65 F | 57 F | 0.29" | 22.00" | N/A | N/A | 7.7 F | 0.1 F |
| 10/5 | 49 F | 65 F | 57 F | 0.36" | 22.07" | N/A | N/A | 8 F | N/A |
| 10/6 | 49 F | 64 F | 57 F | 0.45" | 22.16" | N/A | N/A | 8.4 F | N/A |
| 10/7 | 49 F | 64 F | 56 F | 0.54" | 22.25" | N/A | N/A | 8.7 F | N/A |
| 10/8 | 48 F | 64 F | 56 F | 0.63" | 22.34" | N/A | N/A | 9 F | N/A |
| 10/9 | 48 F | 63 F | 56 F | 0.72" | 22.43" | N/A | N/A | 9.3 F | N/A |
| 10/10 | 48 F | 63 F | 55 F | 0.81" | 22.52" | N/A | N/A | 9.7 F | N/A |
| 10/11 | 48 F | 63 F | 55 F | 0.91" | 22.62" | N/A | N/A | 10 F | N/A |
| 10/12 | 47 F | 62 F | 55 F | 1.00" | 22.71" | N/A | N/A | 10.3 F | N/A |
| 10/13 | 47 F | 62 F | 54 F | 1.10" | 22.81" | N/A | N/A | 10.6 F | N/A |
| 10/14 | 47 F | 61 F | 54 F | 1.20" | 22.91" | N/A | N/A | 10.9 F | N/A |
| 10/15 | 47 F | 61 F | 54 F | 1.30" | 23.01" | N/A | N/A | 11.2 F | N/A |
| 10/16 | 46 F | 61 F | 54 F | 1.41" | 23.12" | N/A | N/A | 11.5 F | N/A |
| 10/17 | 46 F | 60 F | 53 F | 1.52" | 23.23" | N/A | N/A | 11.8 F | N/A |
| 10/18 | 46 F | 60 F | 53 F | 1.64" | 23.35" | N/A | N/A | 12.1 F | N/A |
| 10/19 | 46 F | 60 F | 53 F | 1.76" | 23.47" | N/A | N/A | 12.3 F | N/A |
| 10/20 | 45 F | 60 F | 52 F | 1.89" | 23.60" | N/A | N/A | 12.6 F | N/A |
| 10/21 | 45 F | 59 F | 52 F | 2.02" | 23.73" | N/A | N/A | 12.9 F | N/A |
| 10/22 | 45 F | 59 F | 52 F | 2.15" | 23.86" | N/A | N/A | 13.1 F | N/A |
| 10/23 | 45 F | 59 F | 52 F | 2.29" | 24.00" | N/A | N/A | 13.4 F | N/A |
| 10/24 | 44 F | 58 F | 51 F | 2.43" | 24.14" | N/A | N/A | 13.7 F | N/A |
| 10/25 | 44 F | 58 F | 51 F | 2.58" | 24.29" | N/A | N/A | 13.9 F | N/A |
| 10/26 | 44 F | 58 F | 51 F | 2.72" | 24.43" | N/A | N/A | 14.2 F | N/A |
| 10/27 | 44 F | 58 F | 51 F | 2.87" | 24.58" | N/A | N/A | 14.4 F | N/A |
| 10/28 | 44 F | 57 F | 50 F | 3.02" | 24.73" | N/A | N/A | 14.6 F | N/A |
| 10/29 | 43 F | 57 F | 50 F | 3.17" | 24.88" | N/A | N/A | 14.9 F | N/A |
| 10/30 | 43 F | 57 F | 50 F | 3.33" | 25.04" | N/A | N/A | 15.1 F | N/A |
| 10/31 | 43 F | 57 F | 50 F | 3.49" | 25.20" | N/A | N/A | 15.3 F | N/A |
