Weather in Saint Helens, WA
Saint Helens, Wednesday, 11 November, 08:07
Overcast. Feels like 51°. High 63°, low 49°.
Monthly outlook for Saint Helens, WA: average high 52.3°, average low 44.2°. That is 2.5° above the climate normal for November. Precipitation is expected on 10 days (about 4.4 inches), against a normal of 10 days and 5.4 inches. The warmest day looks like 11 November (63.1°), the coolest 21 November (34.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 11 November – 20 November | 53.1° | 49.3° | +2.1° |
| 21 November – 30 November | 51.1° | 45.4° | +3.2° |
| 1 December – 10 December | at normal | 44° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Sightly (9 mi).
0Saint Helens, Thursday, 12 November
Overcast. High 62°, low 46°.
0.08
Saint Helens, Friday, 13 November
Light rain. High 60°, low 47°.
0.01Saint Helens, Saturday, 14 November
Light rain. High 54°, low 49°.
0.37Saint Helens, Sunday, 15 November
Light rain. High 55°, low 48°.
0.18Saint Helens, Monday, 16 November
Light rain. High 51°, low 43°.
0
Saint Helens, Tuesday, 17 November
Clear. High 50°, low 38°.
0.41
Saint Helens, Wednesday, 18 November
Snow. High 44°, low 40°.
0.17Saint Helens, Thursday, 19 November
Snow. High 43°, low 38°.
0
Saint Helens, Friday, 20 November
Mostly clear. High 48°, low 36°.
0Saint Helens, Saturday, 21 November
Clear. High 51°, low 34°.
0.28Saint Helens, Sunday, 22 November
Light rain. High 44°, low 40°.
0.78Saint Helens, Monday, 23 November
Rain. High 50°, low 45°.
0.74Saint Helens, Tuesday, 24 November
Rain. High 53°, low 50°.
1.13Saint Helens, Wednesday, 25 November
Rain. High 54°, low 51°.
0.3Saint Helens, Thursday, 26 November
Rain. High 54°, low 52°.
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.
0.31Saint Helens, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.34Saint Helens, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.39Saint Helens, Thursday, 10 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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