Weather in Hat Island, WA
Hat Island, Sunday, 18 October, 08:36
Overcast. Feels like 44°. High 55°, low 45°.
Monthly outlook for Hat Island, WA: average high 53.2°, average low 42.8°. That is 0.9° below the climate normal for October. Precipitation is expected on 4 days (about 1.5 inches), against a normal of 9 days and 4.2 inches. The warmest day looks like 21 October (58.9°), the coolest 31 October (34.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 18 October – 27 October | 54.4° | 56.1° | -0.9° |
| 28 October – 6 November | 51.2° | 52.7° | -0.8° |
| 7 November – 16 November | at normal | 50.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Everett (8 mi).
0Hat Island, Monday, 19 October
Overcast. High 56°, low 49°.
0
Hat Island, Tuesday, 20 October
Partly cloudy. High 57°, low 49°.
0Hat Island, Wednesday, 21 October
Partly cloudy. High 59°, low 46°.
0Hat Island, Thursday, 22 October
Overcast. High 55°, low 46°.
0.02
Hat Island, Friday, 23 October
Light rain. High 53°, low 45°.
0Hat Island, Saturday, 24 October
Overcast. High 54°, low 42°.
0.14Hat Island, Sunday, 25 October
Light rain. High 51°, low 46°.
0Hat Island, Monday, 26 October
Partly cloudy. High 52°, low 41°.
0
Hat Island, Tuesday, 27 October
Clear. High 54°, low 39°.
0.18Hat Island, Wednesday, 28 October
Light rain. High 50°, low 44°.
0.02Hat Island, Thursday, 29 October
Light rain. High 49°, low 39°.
0Hat Island, Friday, 30 October
Clear. High 51°, low 35°.
0Hat Island, Saturday, 31 October
Overcast. High 49°, low 35°.
0.06Hat Island, Sunday, 1 November
Light rain. High 51°, low 41°.
1.11Hat Island, Monday, 2 November
Rain. High 57°, low 43°.
0.32Hat Island, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.38Hat Island, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.26Hat Island, Thursday, 5 November
Climate normal for this date — 60-year average.
0.33Hat Island, Friday, 6 November
Climate normal for this date — 60-year average.
0.33Hat Island, Saturday, 7 November
Climate normal for this date — 60-year average.
0.28Hat Island, Sunday, 8 November
Climate normal for this date — 60-year average.
0.26Hat Island, Monday, 9 November
Climate normal for this date — 60-year average.
0.25
Hat Island, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.29Hat Island, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.35Hat Island, Thursday, 12 November
Climate normal for this date — 60-year average.
0.36Hat Island, Friday, 13 November
Climate normal for this date — 60-year average.
0.31Hat Island, Saturday, 14 November
Climate normal for this date — 60-year average.
0.34Hat Island, Sunday, 15 November
Climate normal for this date — 60-year average.
0.33Hat Island, 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 Hat Island, 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 Hat Island, 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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