Weather in Port William, AK
Port William, Sunday, 15 November, 00:10
Partly cloudy. Feels like 25°. High 36°, low 32°.
Monthly outlook for Port William, AK: average high 39.6°, average low 35.5°. That is 1.7° above the climate normal for November. Precipitation is expected on 9 days (about 2.5 inches), against a normal of 8 days and 2.4 inches. The warmest day looks like 18 November (44.7°), the coolest 30 November (32.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 November – 24 November | 39.8° | 36.9° | +1.6° |
| 25 November – 4 December | 39.4° | 35.2° | +2.3° |
| 5 December – 14 December | at normal | 35.1° | — |
November records over 66 years
0.6
Port William, Monday, 16 November
Snow. High 37°, low 33°.
0.04Port William, Tuesday, 17 November
Light snow. High 38°, low 33°.
0.26
Port William, Wednesday, 18 November
Light rain. High 45°, low 37°.
0.07Port William, Thursday, 19 November
Light snow. High 39°, low 37°.
0
Port William, Friday, 20 November
Overcast. High 38°, low 36°.
0.07Port William, Saturday, 21 November
Light rain. High 40°, low 36°.
0.02Port William, Sunday, 22 November
Light rain. High 43°, low 38°.
0.2Port William, Monday, 23 November
Light rain. High 43°, low 39°.
0
Port William, Tuesday, 24 November
Partly cloudy. High 39°, low 36°.
0
Port William, Wednesday, 25 November
Mostly clear. High 38°, low 37°.
0.61Port William, Thursday, 26 November
Snow. High 42°, low 35°.
0.01Port William, Friday, 27 November
Light snow. High 40°, low 35°.
0.51Port William, Saturday, 28 November
Rain. High 42°, low 39°.
0.13Port William, Sunday, 29 November
Snow. High 38°, low 33°.
0Port William, Monday, 30 November
Mostly clear. High 37°, low 32°.
0.12
Port William, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.17Port William, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.19Port William, Thursday, 3 December
Climate normal for this date — 60-year average.
0.14Port William, Friday, 4 December
Climate normal for this date — 60-year average.
0.16Port William, Saturday, 5 December
Climate normal for this date — 60-year average.
0.2Port William, Sunday, 6 December
Climate normal for this date — 60-year average.
0.2Port William, Monday, 7 December
Climate normal for this date — 60-year average.
0.19Port William, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.18Port William, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.19Port William, Thursday, 10 December
Climate normal for this date — 60-year average.
0.21Port William, Friday, 11 December
Climate normal for this date — 60-year average.
0.15Port William, Saturday, 12 December
Climate normal for this date — 60-year average.
0.17Port William, Sunday, 13 December
Climate normal for this date — 60-year average.
0.12Port William, Monday, 14 December
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 Port William, AK 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 Port William, AK 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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