Weather in Saint Clair, WA
Saint Clair, Saturday, 10 October, 05:55
Mostly clear. Feels like 40°. High 58°, low 44°.
Monthly outlook for Saint Clair, WA: average high 61.3°, average low 44.9°. That is 1° above the climate normal for October. Precipitation is expected on 6 days (about 5.2 inches), against a normal of 6 days and 2.7 inches. The warmest day looks like 17 October (71.9°), the coolest 12 October (38.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 10 October – 19 October | 64.9° | 60.6° | +2.4° |
| 20 October – 29 October | 55.3° | 56.9° | -0.9° |
| 30 October – 8 November | at normal | 53.7° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Olympia (8 mi).
0
Saint Clair, Sunday, 11 October
Clear. High 62°, low 40°.
0
Saint Clair, Monday, 12 October
Mostly clear. High 62°, low 39°.
0Saint Clair, Tuesday, 13 October
Clear. High 64°, low 42°.
0Saint Clair, Wednesday, 14 October
Mostly clear. High 65°, low 44°.
0Saint Clair, Thursday, 15 October
Mostly clear. High 67°, low 45°.
0
Saint Clair, Friday, 16 October
Overcast. High 71°, low 43°.
0
Saint Clair, Saturday, 17 October
Partly cloudy. High 72°, low 43°.
0Saint Clair, Sunday, 18 October
Partly cloudy. High 64°, low 47°.
0Saint Clair, Monday, 19 October
Overcast. High 64°, low 49°.
0.59
Saint Clair, Tuesday, 20 October
Rain. High 52°, low 49°.
0.42Saint Clair, Wednesday, 21 October
Rain. High 57°, low 46°.
1.99Saint Clair, Thursday, 22 October
Heavy rain. High 60°, low 51°.
0.05Saint Clair, Friday, 23 October
Light rain. High 59°, low 45°.
2Saint Clair, Saturday, 24 October
Heavy rain. High 54°, low 45°.
0.17Saint Clair, Sunday, 25 October
Light rain. High 51°, low 44°.
0.23Saint Clair, Monday, 26 October
Climate normal for this date — 60-year average.
0.21
Saint Clair, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.24Saint Clair, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.17Saint Clair, Thursday, 29 October
Climate normal for this date — 60-year average.
0.21Saint Clair, Friday, 30 October
Climate normal for this date — 60-year average.
0.3Saint Clair, Saturday, 31 October
Climate normal for this date — 60-year average.
0.23Saint Clair, Sunday, 1 November
Climate normal for this date — 60-year average.
0.22Saint Clair, Monday, 2 November
Climate normal for this date — 60-year average.
0.25Saint Clair, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.31Saint Clair, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.2Saint Clair, Thursday, 5 November
Climate normal for this date — 60-year average.
0.31Saint Clair, Friday, 6 November
Climate normal for this date — 60-year average.
0.27Saint Clair, Saturday, 7 November
Climate normal for this date — 60-year average.
0.19Saint Clair, Sunday, 8 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 Clair, 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 Clair, 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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