Weather in Saint Helens, WA
Saint Helens, Sunday, 1 November, 19:53
Mostly clear. Feels like 41°. High 47°, low 37°.
Monthly outlook for Saint Helens, WA: average high 55.4°, average low 43.8°. That is 2.2° above the climate normal for November. Precipitation is expected on 9 days (about 3.3 inches), against a normal of 10 days and 4.7 inches. The warmest day looks like 10 November (68.2°), the coolest 7 November (36.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 1 November – 10 November | 56.6° | 52.1° | +2.5° |
| 11 November – 20 November | 53.4° | 49.3° | +2.3° |
| 21 November – 30 November | at normal | 45.4° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Sightly (9 mi).
0
Saint Helens, Monday, 2 November
Overcast. High 54°, low 37°.
0.02
Saint Helens, Tuesday, 3 November
Light rain. High 59°, low 42°.
0.06Saint Helens, Wednesday, 4 November
Light rain. High 58°, low 39°.
0.06Saint Helens, Thursday, 5 November
Light rain. High 56°, low 44°.
0.25Saint Helens, Friday, 6 November
Rain. High 51°, low 39°.
0Saint Helens, Saturday, 7 November
Overcast. High 61°, low 36°.
0.12Saint Helens, Sunday, 8 November
Light rain. High 52°, low 48°.
0Saint Helens, Monday, 9 November
Overcast. High 60°, low 48°.
0Saint Helens, Tuesday, 10 November
Overcast. High 68°, low 52°.
0Saint Helens, Wednesday, 11 November
Overcast. High 67°, low 53°.
0.21Saint Helens, Thursday, 12 November
Rain. High 59°, low 48°.
0.75Saint Helens, Friday, 13 November
Rain. High 49°, low 47°.
1.24Saint Helens, Saturday, 14 November
Rain. High 49°, low 46°.
0.35Saint Helens, Sunday, 15 November
Rain. High 51°, low 42°.
0.25Saint Helens, Monday, 16 November
Light rain. High 45°, low 42°.
0.35Saint Helens, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.24Saint Helens, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.41Saint Helens, Thursday, 19 November
Climate normal for this date — 60-year average.
0.35Saint Helens, Friday, 20 November
Climate normal for this date — 60-year average.
0.31Saint Helens, Saturday, 21 November
Climate normal for this date — 60-year average.
0.33Saint Helens, Sunday, 22 November
Climate normal for this date — 60-year average.
0.39Saint Helens, Monday, 23 November
Climate normal for this date — 60-year average.
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.
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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