Weather in Mount Vernon, WA
Mount Vernon, Friday, 30 October, 02:04
Overcast. Feels like 41°. High 48°, low 43°.
Monthly outlook for Mount Vernon, WA: average high 54.4°, average low 42.1°. That is 2° above the climate normal for October. Precipitation is expected on 4 days (about 0.6 inches), against a normal of 10 days and 5.0 inches. The warmest day looks like 7 November (66.4°), the coolest 1 November (32.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 30 October – 8 November | 55.4° | 51.5° | +2.2° |
| 9 November – 18 November | 52.8° | 48.9° | +2.2° |
| 19 November – 28 November | at normal | 45.4° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Stanwood (12 mi).
0Mount Vernon, Saturday, 31 October
Overcast. High 53°, low 40°.
0
Mount Vernon, Sunday, 1 November
Partly cloudy. High 52°, low 33°.
0.01
Mount Vernon, Monday, 2 November
Light rain. High 52°, low 35°.
0Mount Vernon, Tuesday, 3 November
Overcast. High 57°, low 40°.
0Mount Vernon, Wednesday, 4 November
Partly cloudy. High 59°, low 39°.
0.02Mount Vernon, Thursday, 5 November
Light rain. High 50°, low 44°.
0.01Mount Vernon, Friday, 6 November
Light rain. High 53°, low 44°.
0Mount Vernon, Saturday, 7 November
Overcast. High 66°, low 53°.
0Mount Vernon, Sunday, 8 November
Overcast. High 63°, low 53°.
0.04Mount Vernon, Monday, 9 November
Light rain. High 58°, low 49°.
0.33Mount Vernon, Tuesday, 10 November
Rain. High 53°, low 46°.
0.08Mount Vernon, Wednesday, 11 November
Light rain. High 51°, low 41°.
0
Mount Vernon, Thursday, 12 November
Clear. High 51°, low 38°.
0Mount Vernon, Friday, 13 November
Partly cloudy. High 52°, low 37°.
0Mount Vernon, Saturday, 14 November
Overcast. High 53°, low 39°.
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.
0.34Mount Vernon, Friday, 20 November
Climate normal for this date — 60-year average.
0.29Mount Vernon, Saturday, 21 November
Climate normal for this date — 60-year average.
0.26Mount Vernon, Sunday, 22 November
Climate normal for this date — 60-year average.
0.45Mount Vernon, Monday, 23 November
Climate normal for this date — 60-year average.
0.37Mount Vernon, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.37Mount Vernon, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.25Mount Vernon, Thursday, 26 November
Climate normal for this date — 60-year average.
0.35Mount Vernon, Friday, 27 November
Climate normal for this date — 60-year average.
0.29Mount Vernon, Saturday, 28 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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