Weather in McChord AFB, WA
McChord AFB, Wednesday, 11 November, 09:27
Drizzle. Feels like 54°. High 67°, low 53°.
Monthly outlook for McChord AFB, WA: average high 53.4°, average low 45.6°. That is 3° above the climate normal for November. Precipitation is expected on 9 days (about 4.7 inches), against a normal of 9 days and 4.1 inches. The warmest day looks like 11 November (66.6°), the coolest 21 November (35.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 11 November – 20 November | 54.3° | 49.2° | +2.9° |
| 21 November – 30 November | 51.8° | 45.8° | +3.3° |
| 1 December – 10 December | at normal | 44.2° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Tacoma (8 mi).
0
McChord AFB, Thursday, 12 November
Overcast. High 63°, low 50°.
0.02
McChord AFB, Friday, 13 November
Light rain. High 56°, low 48°.
0
McChord AFB, Saturday, 14 November
Mostly clear. High 58°, low 49°.
0.39McChord AFB, Sunday, 15 November
Light rain. High 56°, low 48°.
0.18McChord AFB, Monday, 16 November
Light rain. High 53°, low 44°.
0
McChord AFB, Tuesday, 17 November
Clear. High 52°, low 39°.
0.56McChord AFB, Wednesday, 18 November
Rain. High 46°, low 43°.
0.28McChord AFB, Thursday, 19 November
Light rain. High 45°, low 42°.
0McChord AFB, Friday, 20 November
Overcast. High 49°, low 40°.
0McChord AFB, Saturday, 21 November
Clear. High 46°, low 35°.
0.22McChord AFB, Sunday, 22 November
Light rain. High 44°, low 41°.
0.94McChord AFB, Monday, 23 November
Rain. High 53°, low 43°.
0.39McChord AFB, Tuesday, 24 November
Rain. High 57°, low 52°.
1.26McChord AFB, Wednesday, 25 November
Rain. High 54°, low 50°.
0.43McChord AFB, Thursday, 26 November
Rain. High 57°, low 52°.
0.24McChord AFB, Friday, 27 November
Climate normal for this date — 60-year average.
0.19McChord AFB, Saturday, 28 November
Climate normal for this date — 60-year average.
0.2McChord AFB, Sunday, 29 November
Climate normal for this date — 60-year average.
0.24McChord AFB, Monday, 30 November
Climate normal for this date — 60-year average.
0.24McChord AFB, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.32McChord AFB, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.3McChord AFB, Thursday, 3 December
Climate normal for this date — 60-year average.
0.24McChord AFB, Friday, 4 December
Climate normal for this date — 60-year average.
0.2McChord AFB, Saturday, 5 December
Climate normal for this date — 60-year average.
0.2McChord AFB, Sunday, 6 December
Climate normal for this date — 60-year average.
0.18McChord AFB, Monday, 7 December
Climate normal for this date — 60-year average.
0.23McChord AFB, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.25McChord AFB, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.31McChord AFB, Thursday, 10 December
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 McChord AFB, 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 McChord AFB, 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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