King County Weather in October
Average highs run from 84°F on October 1 to 73°F on October 31, and lows from 55°F to 43°F. Normal precipitation for the month is 2.00 in over about 5 wet days.
October day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
October at a glance
- Average high
- 79°F
- Average low
- 49°F
- Precipitation
- 2.00 in
- Snowfall
- 0.1 in
- Record high
- 103°FOct 3, 2000
- Record low
- 19°FOct 31, 2019
- Chance of a freeze
- 35%
- Days of 90°F or more
- 4.6
- Daylight
- 11 h 49 min to 10 h 51 min
- Cloud cover
- 40%
- Humidity
- 55%
- Dew point
- 45°F
- Wind
- 10.5 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Oct 1 | 84°F | 55°F | 99°F 1951 | 35°F 1984 | 15% | 0% |
| Oct 2 | 84°F | 55°F | 101°F 2000 | 39°F 1985 | 15% | 0% |
| Oct 3 | 84°F | 54°F | 103°F 2000 | 42°F 1961 | 15% | 0% |
| Oct 4 | 83°F | 54°F | 95°F 1998 | 43°F 1975 | 15% | 0% |
| Oct 5 | 83°F | 54°F | 94°F 1956 | 41°F 1991 | 15% | 0% |
| Oct 6 | 83°F | 53°F | 92°F 2024 | 38°F 2001 | 15% | 0% |
| Oct 7 | 82°F | 53°F | 99°F 1979 | 36°F 2012 | 15% | 0% |
| Oct 8 | 82°F | 52°F | 103°F 1979 | 34°F 1992 | 15% | 0% |
| Oct 9 | 82°F | 52°F | 100°F 2021 | 32°F 2000 | 15% | 0% |
| Oct 10 | 81°F | 51°F | 94°F 2024 | 35°F 2000 | 15% | 0% |
| Oct 11 | 81°F | 51°F | 99°F 2020 | 35°F 2019 | 15% | 0% |
| Oct 12 | 80°F | 51°F | 101°F 2024 | 33°F 2019 | 15% | 0% |
| Oct 13 | 80°F | 50°F | 100°F 1954 | 32°F 1986 | 15% | 0% |
| Oct 14 | 80°F | 50°F | 99°F 2020 | 32°F 1969 | 15% | 0% |
| Oct 15 | 79°F | 49°F | 96°F 2015 | 35°F 2018 | 15% | 0% |
| Oct 16 | 79°F | 49°F | 95°F 2014 | 34°F 2001 | 15% | 0% |
| Oct 17 | 79°F | 48°F | 96°F 1972 | 34°F 1976 | 15% | 0% |
| Oct 18 | 78°F | 48°F | 91°F 2005 | 33°F 1948 | 15% | 0% |
| Oct 19 | 78°F | 48°F | 93°F 2005 | 31°F 1989 | 15% | 0% |
| Oct 20 | 77°F | 47°F | 95°F 2007 | 29°F 1976 | 15% | 0% |
| Oct 21 | 77°F | 47°F | 95°F 2012 | 33°F 1982 | 15% | 0% |
| Oct 22 | 77°F | 46°F | 91°F 1961 | 34°F 1990 | 15% | 0% |
| Oct 23 | 76°F | 46°F | 94°F 2021 | 34°F 1981 | 15% | 0% |
| Oct 24 | 76°F | 46°F | 93°F 2024 | 30°F 2005 | 15% | 0% |
| Oct 25 | 75°F | 45°F | 94°F 2011 | 33°F 1957 | 15% | 0% |
| Oct 26 | 75°F | 45°F | 95°F 2021 | 25°F 2020 | 14% | 1% |
| Oct 27 | 75°F | 44°F | 90°F 1975 | 25°F 2020 | 14% | 1% |
| Oct 28 | 74°F | 44°F | 93°F 2024 | 31°F 1970 | 14% | 1% |
| Oct 29 | 74°F | 44°F | 93°F 1950 | 23°F 1980 | 14% | 1% |
| Oct 30 | 73°F | 43°F | 92°F 2010 | 21°F 1993 | 14% | 1% |
| Oct 31 | 73°F | 43°F | 90°F 1987 | 19°F 2019 | 14% | 1% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CDT).
- October 1
- sunrise 7:36 AM, sunset 7:25 PM
- October 31
- sunrise 7:59 AM, sunset 6:50 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00413828 (Guthrie), public domain. Records: NOAA GHCN-Daily, station USW00023007, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.