Weather in Columbia, WA
Columbia, Saturday, 17 October, 23:03
Clear. Feels like 40°. High 60°, low 43°.
Monthly outlook for Columbia, WA: average high 55.3°, average low 42.7°. That is 0.6° above the climate normal for October. Precipitation is expected on 6 days (about 4.5 inches), against a normal of 9 days and 4.9 inches. The warmest day looks like 25 October (65.9°), the coolest 31 October (39.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 17 October – 26 October | 59.9° | 55.5° | +2.5° |
| 27 October – 5 November | 47.6° | 51.8° | -2.3° |
| 6 November – 15 November | at normal | 48.9° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Everson (9 mi).
0
Columbia, Sunday, 18 October
Overcast. High 56°, low 42°.
0
Columbia, Monday, 19 October
Partly cloudy. High 57°, low 44°.
0
Columbia, Tuesday, 20 October
Clear. High 63°, low 40°.
0Columbia, Wednesday, 21 October
Clear. High 62°, low 45°.
0Columbia, Thursday, 22 October
Clear. High 55°, low 42°.
0.01
Columbia, Friday, 23 October
Light rain. High 56°, low 43°.
0Columbia, Saturday, 24 October
Overcast. High 62°, low 43°.
0Columbia, Sunday, 25 October
Overcast. High 66°, low 46°.
0Columbia, Monday, 26 October
Overcast. High 64°, low 48°.
0Columbia, Tuesday, 27 October
Overcast. High 55°, low 43°.
0.25Columbia, Wednesday, 28 October
Light rain. High 50°, low 42°.
1.44Columbia, Thursday, 29 October
Rain. High 48°, low 42°.
0.69Columbia, Friday, 30 October
Rain. High 46°, low 40°.
0.5Columbia, Saturday, 31 October
Rain. High 44°, low 39°.
1.37Columbia, Sunday, 1 November
Heavy rain. High 43°, low 41°.
0.32Columbia, Monday, 2 November
Climate normal for this date — 60-year average.
0.39Columbia, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.43Columbia, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.26Columbia, Thursday, 5 November
Climate normal for this date — 60-year average.
0.43Columbia, Friday, 6 November
Climate normal for this date — 60-year average.
0.41Columbia, Saturday, 7 November
Climate normal for this date — 60-year average.
0.3Columbia, Sunday, 8 November
Climate normal for this date — 60-year average.
0.34Columbia, Monday, 9 November
Climate normal for this date — 60-year average.
0.28Columbia, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.36Columbia, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.39Columbia, Thursday, 12 November
Climate normal for this date — 60-year average.
0.38Columbia, Friday, 13 November
Climate normal for this date — 60-year average.
0.38Columbia, Saturday, 14 November
Climate normal for this date — 60-year average.
0.41Columbia, Sunday, 15 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 Columbia, 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 Columbia, 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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