Weather in Hyak, WA
Hyak, Saturday, 17 October, 14:20
Overcast. Feels like 45°. High 49°, low 35°.
Monthly outlook for Hyak, WA: average high 48.8°, average low 33.8°. That is 0.1° below the climate normal for October. Precipitation is expected on 7 days (about 4.5 inches), against a normal of 9 days and 5.2 inches. The warmest day looks like 21 October (61.9°), the coolest 18 October (22.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 17 October – 26 October | 54.4° | 50.9° | +1.9° |
| 27 October – 5 November | 39.4° | 45.5° | -3.3° |
| 6 November – 15 November | at normal | 41.9° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Snoqualmie Pass (1 mi).
0
Hyak, Sunday, 18 October
Partly cloudy. High 51°, low 23°.
0Hyak, Monday, 19 October
Partly cloudy. High 50°, low 28°.
0
Hyak, Tuesday, 20 October
Clear. High 58°, low 35°.
0Hyak, Wednesday, 21 October
Clear. High 62°, low 40°.
0.16
Hyak, Thursday, 22 October
Light rain. High 45°, low 35°.
0Hyak, Friday, 23 October
Overcast. High 52°, low 32°.
0Hyak, Saturday, 24 October
Overcast. High 57°, low 39°.
0Hyak, Sunday, 25 October
Overcast. High 61°, low 40°.
0Hyak, Monday, 26 October
Overcast. High 59°, low 42°.
0Hyak, Tuesday, 27 October
Overcast. High 56°, low 40°.
0.2Hyak, Wednesday, 28 October
Light rain. High 49°, low 37°.
0.8
Hyak, Thursday, 29 October
Snow. High 37°, low 32°.
1.06Hyak, Friday, 30 October
Snow. High 32°, low 28°.
1.14Hyak, Saturday, 31 October
Snow. High 32°, low 24°.
0.89Hyak, Sunday, 1 November
Snow. High 31°, low 30°.
0.3Hyak, Monday, 2 November
Climate normal for this date — 60-year average.
0.39Hyak, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.54Hyak, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.34Hyak, Thursday, 5 November
Climate normal for this date — 60-year average.
0.45Hyak, Friday, 6 November
Climate normal for this date — 60-year average.
0.43Hyak, Saturday, 7 November
Climate normal for this date — 60-year average.
0.34Hyak, Sunday, 8 November
Climate normal for this date — 60-year average.
0.35Hyak, Monday, 9 November
Climate normal for this date — 60-year average.
0.32Hyak, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.36Hyak, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.43Hyak, Thursday, 12 November
Climate normal for this date — 60-year average.
0.47Hyak, Friday, 13 November
Climate normal for this date — 60-year average.
0.39Hyak, Saturday, 14 November
Climate normal for this date — 60-year average.
0.38Hyak, 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 Hyak, 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 Hyak, 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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