Weather in Hyak, WA
Hyak, Thursday, 15 October, 11:17
Mostly clear. Feels like 50°. High 59°, low 36°.
Monthly outlook for Hyak, WA: average high 45.7°, average low 31.9°. That is 2.5° below the climate normal for October. Precipitation is expected on 6 days (about 2.9 inches), against a normal of 9 days and 4.8 inches. The warmest day looks like 16 October (66.9°), the coolest 25 October (24.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 October – 24 October | 49.8° | 52.1° | -1.3° |
| 25 October – 3 November | 38.8° | 46.1° | -4.1° |
| 4 November – 13 November | at normal | 42.7° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Snoqualmie Pass (1 mi).
0
Hyak, Friday, 16 October
Overcast. High 67°, low 43°.
0.3
Hyak, Saturday, 17 October
Rain. High 48°, low 33°.
0Hyak, Sunday, 18 October
Overcast. High 52°, low 31°.
0Hyak, Monday, 19 October
Overcast. High 50°, low 36°.
0
Hyak, Tuesday, 20 October
Clear. High 55°, low 36°.
0Hyak, Wednesday, 21 October
Overcast. High 53°, low 36°.
0.37Hyak, Thursday, 22 October
Light rain. High 41°, low 34°.
0.5
Hyak, Friday, 23 October
Snow. High 35°, low 33°.
0.02Hyak, Saturday, 24 October
Light snow. High 37°, low 26°.
0Hyak, Sunday, 25 October
Mostly clear. High 42°, low 25°.
0Hyak, Monday, 26 October
Clear. High 47°, low 26°.
0.02Hyak, Tuesday, 27 October
Light snow. High 43°, low 27°.
0.43Hyak, Wednesday, 28 October
Snow. High 35°, low 30°.
0.41Hyak, Thursday, 29 October
Snow. High 32°, low 29°.
0.83Hyak, Friday, 30 October
Snow. High 34°, low 31°.
0.44Hyak, Saturday, 31 October
Climate normal for this date — 60-year average.
0.41Hyak, Sunday, 1 November
Climate normal for this date — 60-year average.
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.
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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