Weather in Mount Vernon, WA
Mount Vernon, Wednesday, 21 October, 19:23
Clear. Feels like 50°. High 64°, low 41°.
Monthly outlook for Mount Vernon, WA: average high 56.7°, average low 43.1°. That is 1.8° above the climate normal for October. Precipitation is expected on 4 days (about 1.5 inches), against a normal of 9 days and 4.4 inches. The warmest day looks like 21 October (63.7°), the coolest 24 October (35.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 21 October – 30 October | 57.1° | 54.2° | +1.6° |
| 31 October – 9 November | 56.1° | 51.3° | +2.7° |
| 10 November – 19 November | at normal | 48.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Stanwood (12 mi).
0
Mount Vernon, Thursday, 22 October
Overcast. High 58°, low 41°.
0
Mount Vernon, Friday, 23 October
Clear. High 53°, low 38°.
0.01
Mount Vernon, Saturday, 24 October
Light rain. High 52°, low 36°.
0
Mount Vernon, Sunday, 25 October
Mostly clear. High 58°, low 39°.
0Mount Vernon, Monday, 26 October
Overcast. High 60°, low 39°.
0Mount Vernon, Tuesday, 27 October
Overcast. High 58°, low 46°.
0Mount Vernon, Wednesday, 28 October
Overcast. High 60°, low 47°.
0.02Mount Vernon, Thursday, 29 October
Light rain. High 58°, low 47°.
0.24Mount Vernon, Friday, 30 October
Light rain. High 50°, low 42°.
0
Mount Vernon, Saturday, 31 October
Partly cloudy. High 52°, low 41°.
0Mount Vernon, Sunday, 1 November
Overcast. High 55°, low 43°.
0Mount Vernon, Monday, 2 November
Overcast. High 56°, low 42°.
0.44Mount Vernon, Tuesday, 3 November
Rain. High 59°, low 47°.
0.04Mount Vernon, Wednesday, 4 November
Light rain. High 53°, low 50°.
0.74Mount Vernon, Thursday, 5 November
Rain. High 62°, low 51°.
0.35Mount Vernon, Friday, 6 November
Climate normal for this date — 60-year average.
0.33Mount Vernon, Saturday, 7 November
Climate normal for this date — 60-year average.
0.28Mount Vernon, Sunday, 8 November
Climate normal for this date — 60-year average.
0.3Mount Vernon, Monday, 9 November
Climate normal for this date — 60-year average.
0.25
Mount Vernon, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.31Mount Vernon, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.33Mount Vernon, Thursday, 12 November
Climate normal for this date — 60-year average.
0.37Mount Vernon, Friday, 13 November
Climate normal for this date — 60-year average.
0.3Mount Vernon, Saturday, 14 November
Climate normal for this date — 60-year average.
0.33Mount Vernon, Sunday, 15 November
Climate normal for this date — 60-year average.
0.33Mount Vernon, Monday, 16 November
Climate normal for this date — 60-year average.
0.33Mount Vernon, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.26Mount Vernon, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.37Mount Vernon, Thursday, 19 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 Mount Vernon, 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 Mount Vernon, 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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