Olympia weather in October: Olympia, Washington: normal highs, lows, rain and records for October
Olympia in October has a normal high of 60°F and a normal low of 41°F, a daily mean of 50°F, falling from 67°F on the 1st to 55°F by the 31st. Measurable precipitation falls on 15 days in a normal October, 5.07 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 16°C and low of 5°C, 129 mm of precipitation in October.
- NOAA stationOlympia Airport
- Station IDUSW00024227
- Location46.97°N 122.90°W
- Elevation188 ft (57 m)
- Population56,271
- Jan 46° 33°
- Feb 49° 32°
- Mar 54° 35°
- Apr 59° 38°
- May 66° 43°
- Jun 71° 47°
- Jul 78° 51°
- Aug 78° 51°
- Sep 72° 46°
- Oct 60° 41°
- Nov 51° 36°
- Dec 45° 33°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Olympia in October?
The normal high is 60°F and the normal low 41°F, for a daily mean of 50.3°F. October is 8.8°F cooler than September and 7.1°F warmer than November. October is the 6th warmest month of the year in Olympia and the 6th wettest. Across the month the normal high falls 12°F, from 67°F on October 1 to 55°F on October 31. From one year to the next October's mean temperature typically moves about 1.9°F either way (NOAA's standard deviation), so roughly two Octobers in three average between 48°F and 52°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 58%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| October 1 | 67°F | 43°F | 37% | 23% |
| October 8 | 63°F | 42°F | 42% | 27% |
| October 15 | 60°F | 41°F | 47% | 31% |
| October 22 | 58°F | 39°F | 52% | 35% |
| October 31 | 55°F | 38°F | 58% | 40% |
Every day of October: normal high, low and chance of precipitation (warmest afternoon October 1, coldest night October 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| October 1 | 67°F | 43°F | 37% | 23% | 11 h 50 min |
| October 2 | 66°F | 43°F | 38% | 23% | 11 h 40 min |
| October 3 | 66°F | 43°F | 39% | 24% | 11 h 40 min |
| October 4 | 65°F | 43°F | 39% | 24% | 11 h 40 min |
| October 5 | 65°F | 43°F | 40% | 25% | 11 h 30 min |
| October 6 | 64°F | 42°F | 41% | 25% | 11 h 30 min |
| October 7 | 64°F | 42°F | 42% | 26% | 11 h 30 min |
| October 8 | 63°F | 42°F | 42% | 27% | 11 h 20 min |
| October 9 | 63°F | 42°F | 43% | 27% | 11 h 20 min |
| October 10 | 63°F | 42°F | 44% | 28% | 11 h 20 min |
| October 11 | 62°F | 41°F | 45% | 28% | 11 h 10 min |
| October 12 | 62°F | 41°F | 45% | 29% | 11 h 10 min |
| October 13 | 61°F | 41°F | 46% | 29% | 11 h 10 min |
| October 14 | 61°F | 41°F | 47% | 30% | 11 h |
| October 15 | 60°F | 41°F | 47% | 31% | 11 h |
| October 16 | 60°F | 40°F | 48% | 31% | 11 h |
| October 17 | 60°F | 40°F | 49% | 32% | 10 h 50 min |
| October 18 | 59°F | 40°F | 49% | 32% | 10 h 50 min |
| October 19 | 59°F | 40°F | 50% | 33% | 10 h 50 min |
| October 20 | 58°F | 40°F | 51% | 34% | 10 h 40 min |
| October 21 | 58°F | 40°F | 51% | 34% | 10 h 40 min |
| October 22 | 58°F | 39°F | 52% | 35% | 10 h 40 min |
| October 23 | 57°F | 39°F | 53% | 35% | 10 h 30 min |
| October 24 | 57°F | 39°F | 53% | 36% | 10 h 30 min |
| October 25 | 57°F | 39°F | 54% | 37% | 10 h 30 min |
| October 26 | 56°F | 39°F | 55% | 37% | 10 h 20 min |
| October 27 | 56°F | 39°F | 55% | 38% | 10 h 20 min |
| October 28 | 56°F | 39°F | 56% | 38% | 10 h 20 min |
| October 29 | 55°F | 38°F | 56% | 39% | 10 h 10 min |
| October 30 | 55°F | 38°F | 57% | 40% | 10 h 10 min |
| October 31 | 55°F | 38°F | 58% | 40% | 10 h 10 min |
- Normal high
- 60°FOctober average
- Normal low
- 41°FOctober average
- Precipitation
- 5.07 inmonth total
- Days with precipitation
- 150.01 inch or more
- Nights at 32°F or colder
- 4
- Daylight
- 11 h 50 min to 10 h 10 minOctober 1 to October 31
- Days at 70°F or more
- 3
- Sunshine
- 65%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00024227; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Olympia in October?
On a given October day the chance of 0.01 inch or more is 48% on average, highest around October 31 (58%). In all, 5.07 in falls on 15 days of a normal October, 1 of them with an inch or more.
In a normal October in Olympia, 4 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00024227.
How humid and windy is Olympia in October?
At 3 p.m. the normal temperature is 54°F with 68% relative humidity and a dew point of 44°F; at 6 a.m. it is 42°F with 94% humidity. The wind averages 5.2 mph, most often from the south-southwest in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 42°F | 41°F | 94% | 4.4 mph | – |
| 9 a.m. | 46°F | 43°F | 90% | 5.3 mph | – |
| noon | 52°F | 44°F | 75% | 7.2 mph | – |
| 3 p.m. | 54°F | 44°F | 68% | 7.3 mph | 32% |
| 6 p.m. | 48°F | 43°F | 84% | 4.7 mph | 40% |
| 9 p.m. | 44°F | 42°F | 91% | 4.2 mph | – |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00024227. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for October in Olympia?
The warmest October temperature on Olympia's official record (since 1948) is 90°F, on October 1, 1987; the coldest is 14°F, on October 31, 2002. The wettest October brought 12.43 in (2016).
The October mean against the 1991-2020 normal of 50.3°F: 2021 49.8°F (−0.5), 2022 54.3°F (+4.0), 2023 52.0°F (+1.7), 2024 51.9°F (+1.6), 2025 50.4°F (+0.1). 4 of 5 ran warmer than normal.
| October | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 49.8°F | −0.5°F | 5.39 in |
| 2022 | 54.3°F | +4.0°F | 3.17 in |
| 2023 | 52.0°F | +1.7°F | 3.41 in |
| 2024 | 51.9°F | +1.6°F | 4.04 in |
| 2025 | 50.4°F | +0.1°F | – |
Source: records: ACIS, NWS threaded record OLMthr; recent months: ACIS, station USW00024227. Records and recent months use complete months only.
How does October in Olympia compare across Washington?
Across the 96 places PlainClimate covers in Washington, October normal highs run from 56°F in Easton to 66°F in Kennewick; Olympia's is 60°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.