Weather in Tillicum, WA
Tillicum, Tuesday, 20 October, 06:11
Partly cloudy. Feels like 43°. High 65°, low 45°.
Monthly outlook for Tillicum, WA: average high 61.5°, average low 44.6°. That is 3.8° above the climate normal for October. Precipitation is expected on 3 days (about 0.4 inches), against a normal of 8 days and 3.3 inches. The warmest day looks like 21 October (68.3°), the coolest 27 October (39.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 61.9° | 55.6° | +3.5° |
| 30 October – 8 November | 60.7° | 52.4° | +4.6° |
| 9 November – 18 November | at normal | 49.8° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Tacoma (10 mi).
0
Tillicum, Wednesday, 21 October
Mostly clear. High 68°, low 45°.
0
Tillicum, Thursday, 22 October
Overcast. High 58°, low 43°.
0Tillicum, Friday, 23 October
Mostly clear. High 56°, low 41°.
0Tillicum, Saturday, 24 October
Overcast. High 56°, low 43°.
0Tillicum, Sunday, 25 October
Overcast. High 62°, low 47°.
0
Tillicum, Monday, 26 October
Partly cloudy. High 64°, low 41°.
0Tillicum, Tuesday, 27 October
Mostly clear. High 64°, low 40°.
0Tillicum, Wednesday, 28 October
Overcast. High 65°, low 41°.
0Tillicum, Thursday, 29 October
Overcast. High 62°, low 43°.
0.01
Tillicum, Friday, 30 October
Light rain. High 65°, low 43°.
0Tillicum, Saturday, 31 October
Light rain. High 58°, low 44°.
0.1Tillicum, Sunday, 1 November
Light rain. High 64°, low 50°.
0.07Tillicum, Monday, 2 November
Light rain. High 59°, low 50°.
0Tillicum, Tuesday, 3 November
Overcast. High 64°, low 47°.
0.25Tillicum, Wednesday, 4 November
Light rain. High 55°, low 52°.
0.17Tillicum, Thursday, 5 November
Climate normal for this date — 60-year average.
0.28Tillicum, Friday, 6 November
Climate normal for this date — 60-year average.
0.24Tillicum, Saturday, 7 November
Climate normal for this date — 60-year average.
0.17
Tillicum, Sunday, 8 November
Climate normal for this date — 60-year average.
0.22Tillicum, Monday, 9 November
Climate normal for this date — 60-year average.
0.18Tillicum, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.25Tillicum, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.25Tillicum, Thursday, 12 November
Climate normal for this date — 60-year average.
0.27Tillicum, Friday, 13 November
Climate normal for this date — 60-year average.
0.28Tillicum, Saturday, 14 November
Climate normal for this date — 60-year average.
0.24Tillicum, Sunday, 15 November
Climate normal for this date — 60-year average.
0.21Tillicum, Monday, 16 November
Climate normal for this date — 60-year average.
0.24Tillicum, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.17Tillicum, Wednesday, 18 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 Tillicum, 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 Tillicum, 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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