Weather in Walla Walla, WA
Walla Walla, Sunday, 18 October, 05:41
Clear. Feels like 43°. High 66°, low 43°.
Monthly outlook for Walla Walla, WA: average high 63.8°, average low 47.8°. That is 4.3° above the climate normal for October. Precipitation is expected on 3 days (about 0.5 inches), against a normal of 6 days and 1.9 inches. The warmest day looks like 29 October (69.9°), the coolest 19 October (40.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 18 October – 27 October | 63.8° | 58.2° | +3.1° |
| 28 October – 6 November | 63.9° | 52.3° | +6.5° |
| 7 November – 16 November | at normal | 48.7° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Kooskooskie (11 mi).
0
Walla Walla, Monday, 19 October
Overcast. High 65°, low 40°.
0Walla Walla, Tuesday, 20 October
Overcast. High 65°, low 44°.
0Walla Walla, Wednesday, 21 October
Overcast. High 67°, low 48°.
0.37
Walla Walla, Thursday, 22 October
Rain. High 64°, low 51°.
0
Walla Walla, Friday, 23 October
Clear. High 57°, low 44°.
0Walla Walla, Saturday, 24 October
Overcast. High 61°, low 45°.
0Walla Walla, Sunday, 25 October
Clear. High 69°, low 47°.
0Walla Walla, Monday, 26 October
Overcast. High 63°, low 48°.
0
Walla Walla, Tuesday, 27 October
Partly cloudy. High 62°, low 45°.
0
Walla Walla, Wednesday, 28 October
Mostly clear. High 67°, low 48°.
0Walla Walla, Thursday, 29 October
Overcast. High 70°, low 50°.
0Walla Walla, Friday, 30 October
Overcast. High 67°, low 55°.
0Walla Walla, Saturday, 31 October
Overcast. High 64°, low 57°.
0.08Walla Walla, Sunday, 1 November
Light rain. High 58°, low 50°.
0.06Walla Walla, Monday, 2 November
Light rain. High 58°, low 50°.
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.
0.13
Walla 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.
0.1Walla Walla, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.13Walla Walla, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.17Walla Walla, Thursday, 12 November
Climate normal for this date — 60-year average.
0.15Walla Walla, Friday, 13 November
Climate normal for this date — 60-year average.
0.09Walla Walla, Saturday, 14 November
Climate normal for this date — 60-year average.
0.1Walla Walla, Sunday, 15 November
Climate normal for this date — 60-year average.
0.15Walla Walla, Monday, 16 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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