Walla Walla weather in October: Walla Walla, Washington: normal highs, lows, rain and records for October

Walla Walla in October has a normal high of 63°F and a normal low of 44°F, a daily mean of 54°F, falling from 72°F on the 1st to 56°F by the 31st. Measurable precipitation falls on 9 days in a normal October, 1.66 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 17°C and low of 7°C, 42 mm of precipitation and 0 cm of snow in October.

  • NOAA stationWalla Walla Regional Airport
  • Station IDUSW00024160
  • Location46.09°N 118.29°W
  • Elevation1,166 ft (355 m)
  • Population33,901
  1. Jan 42° 31°
  2. Feb 47° 33°
  3. Mar 56° 38°
  4. Apr 63° 43°
  5. May 71° 49°
  6. Jun 79° 55°
  7. Jul 90° 62°
  8. Aug 89° 62°
  9. Sep 79° 54°
  10. Oct 63° 44°
  11. Nov 49° 36°
  12. Dec 41° 30°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Walla Walla in October?

The normal high is 63°F and the normal low 44°F, for a daily mean of 53.7°F. October is 12.5°F cooler than September and 11.3°F warmer than November. October is the 6th warmest month of the year in Walla Walla and the 7th wettest. Across the month the normal high falls 16°F, from 72°F on October 1 to 56°F on October 31. From one year to the next October's mean temperature typically moves about 2.4°F either way (NOAA's standard deviation), so roughly two Octobers in three average between 51°F and 56°F.

Walla Walla in October, day by day: normal high and low

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 37%).

Normal high and low on five days of October, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
October 172°F49°F20%9%
October 868°F47°F24%11%
October 1564°F44°F27%13%
October 2260°F42°F31%16%
October 3156°F39°F37%19%
Every day of October: normal high, low and chance of precipitation (warmest afternoon October 1, coldest night October 31)
Walla Walla: NOAA 1991-2020 daily normals for each day of October
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
October 172°F49°F20%9%11 h 50 min
October 271°F49°F20%10%11 h 40 min
October 370°F49°F21%10%11 h 40 min
October 470°F48°F21%10%11 h 40 min
October 569°F48°F22%10%11 h 30 min
October 669°F47°F23%11%11 h 30 min
October 768°F47°F23%11%11 h 30 min
October 868°F47°F24%11%11 h 20 min
October 967°F46°F24%12%11 h 20 min
October 1067°F46°F25%12%11 h 20 min
October 1166°F46°F25%12%11 h 10 min
October 1265°F45°F26%13%11 h 10 min
October 1365°F45°F26%13%11 h 10 min
October 1464°F45°F27%13%11 h
October 1564°F44°F27%13%11 h
October 1663°F44°F28%14%11 h
October 1763°F43°F28%14%10 h 50 min
October 1862°F43°F29%14%10 h 50 min
October 1962°F43°F29%15%10 h 50 min
October 2061°F42°F30%15%10 h 40 min
October 2161°F42°F30%15%10 h 40 min
October 2260°F42°F31%16%10 h 40 min
October 2360°F41°F32%16%10 h 40 min
October 2459°F41°F32%17%10 h 30 min
October 2559°F41°F33%17%10 h 30 min
October 2658°F41°F34%17%10 h 30 min
October 2758°F40°F34%18%10 h 20 min
October 2857°F40°F35%18%10 h 20 min
October 2957°F40°F35%18%10 h 20 min
October 3056°F39°F36%19%10 h 10 min
October 3156°F39°F37%19%10 h 10 min
Normal high
63°FOctober average
Normal low
44°FOctober average
Precipitation
1.66 inmonth total
Days with precipitation
90.01 inch or more
Snowfall
0.1 inmonth total
Nights at 32°F or colder
2
Daylight
11 h 50 min to 10 h 10 minOctober 1 to October 31
Days at 70°F or more
8
Days at 80°F or more
1
Sunshine
79%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00024160; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain or snow in Walla Walla in October?

On a given October day the chance of 0.01 inch or more is 28% on average, highest around October 31 (37%). In all, 1.66 in falls on 9 days of a normal October.

In a normal October in Walla Walla, 2 nights fall to freezing and snowfall averages 0.1 inches.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00024160.

How humid and windy is Walla Walla in October?

At 3 p.m. the normal temperature is 53°F with 55% relative humidity and a dew point of 38°F; at 6 a.m. it is 42°F with 77% humidity. The wind averages 7.1 mph, most often from the southwest in the afternoon. A dew point under 50°F feels dry.

A normal October day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.42°F35°F77%6.8 mph58%
9 a.m.47°F37°F69%6.9 mph59%
noon52°F37°F58%8.0 mph53%
3 p.m.53°F38°F55%7.1 mph55%
6 p.m.47°F38°F69%7.4 mph58%
9 p.m.45°F37°F73%7.4 mph56%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00024160. 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 Walla Walla?

The warmest October temperature on this station's record (since 1949) is 89°F, on October 3, 1958; the coldest is 15°F, on October 31, 2002. The wettest October brought 4.55 in (2016); the snowiest, 2.4 inches (1973).

The October mean against the 1991-2020 normal of 53.7°F: 2021 53.7°F (at normal), 2022 58.2°F (+4.5), 2023 53.8°F (+0.1), 2024 55.0°F (+1.3), 2025 53.4°F (−0.3). 3 of 5 ran warmer than normal.

Walla Walla: October in recent years against the 1991-2020 normal
OctoberMeanAgainst normalPrecip.
202153.7°Fat normal1.89 in
202258.2°F+4.5°F1.85 in
202353.8°F+0.1°F1.83 in
202455.0°F+1.3°F0.84 in
202553.4°F−0.3°F1.47 in

Source: records: ACIS, station USW00024160; recent months: ACIS, station USW00024160. Records and recent months use complete months only.

How does October in Walla Walla 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; Walla Walla's is 63°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places