Weather in Walla Walla, WA
Walla Walla, Sunday, 11 October, 06:17
Clear. Feels like 31°. High 56°, low 38°.
Monthly outlook for Walla Walla, WA: average high 65.6°, average low 46.7°. That is 3.4° above the climate normal for October. Precipitation is expected on 0 days (about 0.0 inches), against a normal of 5 days and 1.5 inches. The warmest day looks like 17 October (79°), the coolest 11 October (37.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 11 October – 20 October | 66.7° | 60.4° | +3.5° |
| 21 October – 30 October | 63.8° | 56.1° | +4.3° |
| 31 October – 9 November | at normal | 51.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Kooskooskie (11 mi).
0
Walla Walla, Monday, 12 October
Clear. High 57°, low 39°.
0
Walla Walla, Tuesday, 13 October
Mostly clear. High 65°, low 39°.
0
Walla Walla, Wednesday, 14 October
Partly cloudy. High 68°, low 44°.
0Walla Walla, Thursday, 15 October
Clear. High 69°, low 46°.
0Walla Walla, Friday, 16 October
Clear. High 77°, low 49°.
0
Walla Walla, Saturday, 17 October
Overcast. High 79°, low 57°.
0Walla Walla, Sunday, 18 October
Partly cloudy. High 70°, low 56°.
0.02
Walla Walla, Monday, 19 October
Light rain. High 63°, low 51°.
0Walla Walla, Tuesday, 20 October
Clear. High 63°, low 47°.
0Walla Walla, Wednesday, 21 October
Overcast. High 64°, low 48°.
0Walla Walla, Thursday, 22 October
Overcast. High 62°, low 46°.
0Walla Walla, Friday, 23 October
Overcast. High 66°, low 47°.
0Walla Walla, Saturday, 24 October
Overcast. High 63°, low 46°.
0Walla Walla, Sunday, 25 October
Overcast. High 61°, low 45°.
0Walla Walla, Monday, 26 October
Clear. High 67°, low 49°.
0.13
Walla Walla, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.12Walla Walla, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.14Walla Walla, Thursday, 29 October
Climate normal for this date — 60-year average.
0.1Walla Walla, Friday, 30 October
Climate normal for this date — 60-year average.
0.17Walla Walla, Saturday, 31 October
Climate normal for this date — 60-year average.
0.18Walla Walla, Sunday, 1 November
Climate normal for this date — 60-year average.
0.11Walla Walla, Monday, 2 November
Climate normal for this date — 60-year average.
0.07Walla Walla, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.17Walla Walla, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.17Walla Walla, Thursday, 5 November
Climate normal for this date — 60-year average.
0.17Walla Walla, Friday, 6 November
Climate normal for this date — 60-year average.
0.19Walla Walla, Saturday, 7 November
Climate normal for this date — 60-year average.
0.13Walla Walla, Sunday, 8 November
Climate normal for this date — 60-year average.
0.11Walla Walla, Monday, 9 November
Climate normal for this date — 60-year average.
About the monthly outlook
How accurate is a 30-day forecast?
The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Walla Walla, WA are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.
What does "above normal" mean?
We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.
Where do the 66-year records come from?
They are real temperature extremes recorded in Walla Walla, WA since 1960: the highest and lowest reading for each calendar date, with the year it happened.
How often is it updated?
The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.
Sun and moon today
Weather history
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