Weather in Saint Helens, WA
Saint Helens, Sunday, 8 November, 22:43
Overcast. Feels like 39°. High 55°, low 42°.
Monthly outlook for Saint Helens, WA: average high 52°, average low 40.8°. That is 1.7° above the climate normal for November. Precipitation is expected on 8 days (about 4.6 inches), against a normal of 10 days and 5.0 inches. The warmest day looks like 11 November (68.3°), the coolest 21 November (32.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 November – 17 November | 55° | 50.3° | +2.7° |
| 18 November – 27 November | 46.8° | 46.2° | +0.3° |
| 28 November – 7 December | at normal | 44.3° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Sightly (9 mi).
0.31
Saint Helens, Monday, 9 November
Rain. High 54°, low 43°.
1.14Saint Helens, Tuesday, 10 November
Heavy rain. High 59°, low 52°.
0Saint Helens, Wednesday, 11 November
Overcast. High 68°, low 52°.
0Saint Helens, Thursday, 12 November
Overcast. High 63°, low 49°.
0.83Saint Helens, Friday, 13 November
Rain. High 58°, low 47°.
0.6Saint Helens, Saturday, 14 November
Rain. High 50°, low 47°.
1.27Saint Helens, Sunday, 15 November
Rain. High 47°, low 42°.
0.19Saint Helens, Monday, 16 November
Light rain. High 47°, low 38°.
0Saint Helens, Tuesday, 17 November
Overcast. High 51°, low 36°.
0Saint Helens, Wednesday, 18 November
Overcast. High 51°, low 35°.
0
Saint Helens, Thursday, 19 November
Mostly clear. High 51°, low 33°.
0
Saint Helens, Friday, 20 November
Clear. High 50°, low 33°.
0Saint Helens, Saturday, 21 November
Overcast. High 47°, low 33°.
0.07
Saint Helens, Sunday, 22 November
Snow. High 39°, low 35°.
0Saint Helens, Monday, 23 November
Overcast. High 43°, low 34°.
0.44Saint Helens, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.44Saint Helens, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.23Saint Helens, Thursday, 26 November
Climate normal for this date — 60-year average.
0.33Saint Helens, Friday, 27 November
Climate normal for this date — 60-year average.
0.27Saint Helens, Saturday, 28 November
Climate normal for this date — 60-year average.
0.29Saint Helens, Sunday, 29 November
Climate normal for this date — 60-year average.
0.35Saint Helens, Monday, 30 November
Climate normal for this date — 60-year average.
0.4Saint Helens, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.46Saint Helens, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.39Saint Helens, Thursday, 3 December
Climate normal for this date — 60-year average.
0.35Saint Helens, Friday, 4 December
Climate normal for this date — 60-year average.
0.28Saint Helens, Saturday, 5 December
Climate normal for this date — 60-year average.
0.32Saint Helens, Sunday, 6 December
Climate normal for this date — 60-year average.
0.26Saint Helens, Monday, 7 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 Saint Helens, 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 Saint Helens, 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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