Weather in Sifton, WA
Sifton, Sunday, 18 October, 22:56
Overcast. Feels like 49°. High 65°, low 40°.
Monthly outlook for Sifton, WA: average high 59.4°, average low 43.6°. That is 1.1° above the climate normal for October. Precipitation is expected on 7 days (about 1.6 inches), against a normal of 8 days and 4.7 inches. The warmest day looks like 20 October (73°), the coolest 30 October (38.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 18 October – 27 October | 62.9° | 59° | +2.2° |
| 28 October – 6 November | 53.4° | 54.6° | -0.6° |
| 7 November – 16 November | at normal | 51.7° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Mill Plain (3 mi).
0Sifton, Monday, 19 October
Overcast. High 63°, low 47°.
0Sifton, Tuesday, 20 October
Overcast. High 73°, low 46°.
0
Sifton, Wednesday, 21 October
Clear. High 71°, low 44°.
0.18
Sifton, Thursday, 22 October
Rain. High 61°, low 46°.
0.05Sifton, Friday, 23 October
Light rain. High 58°, low 45°.
0Sifton, Saturday, 24 October
Overcast. High 61°, low 43°.
0Sifton, Sunday, 25 October
Overcast. High 63°, low 48°.
0Sifton, Monday, 26 October
Overcast. High 62°, low 43°.
0.13Sifton, Tuesday, 27 October
Light rain. High 52°, low 43°.
0.2Sifton, Wednesday, 28 October
Rain. High 54°, low 40°.
0.16Sifton, Thursday, 29 October
Light rain. High 54°, low 42°.
0Sifton, Friday, 30 October
Overcast. High 55°, low 38°.
0.06Sifton, Saturday, 31 October
Light rain. High 54°, low 48°.
0Sifton, Sunday, 1 November
Overcast. High 55°, low 43°.
0.83Sifton, Monday, 2 November
Rain. High 49°, low 41°.
0.29Sifton, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.45Sifton, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.35Sifton, Thursday, 5 November
Climate normal for this date — 60-year average.
0.48Sifton, Friday, 6 November
Climate normal for this date — 60-year average.
0.42Sifton, Saturday, 7 November
Climate normal for this date — 60-year average.
0.3Sifton, Sunday, 8 November
Climate normal for this date — 60-year average.
0.28Sifton, Monday, 9 November
Climate normal for this date — 60-year average.
0.26Sifton, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.37Sifton, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.38Sifton, Thursday, 12 November
Climate normal for this date — 60-year average.
0.39Sifton, Friday, 13 November
Climate normal for this date — 60-year average.
0.31Sifton, Saturday, 14 November
Climate normal for this date — 60-year average.
0.33Sifton, Sunday, 15 November
Climate normal for this date — 60-year average.
0.32Sifton, Monday, 16 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 Sifton, 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 Sifton, 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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