Weather in Sisco Heights, WA
Sisco Heights, Wednesday, 11 November, 08:33
Overcast. Feels like 53°. High 68°, low 54°.
Monthly outlook for Sisco Heights, WA: average high 53.6°, average low 44.8°. That is 3.5° above the climate normal for November. Precipitation is expected on 10 days (about 3.3 inches), against a normal of 11 days and 5.3 inches. The warmest day looks like 11 November (67.6°), the coolest 21 November (34.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 11 November – 20 November | 54.8° | 48.6° | +3.4° |
| 21 November – 30 November | 51.8° | 45.1° | +3.7° |
| 1 December – 10 December | at normal | 43.7° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Marysville (3 mi).
0Sisco Heights, Thursday, 12 November
Overcast. High 63°, low 52°.
0.15
Sisco Heights, Friday, 13 November
Rain. High 64°, low 47°.
0.04Sisco Heights, Saturday, 14 November
Light rain. High 56°, low 42°.
0.5Sisco Heights, Sunday, 15 November
Rain. High 56°, low 47°.
0.2Sisco Heights, Monday, 16 November
Light rain. High 51°, low 45°.
0.01Sisco Heights, Tuesday, 17 November
Light rain. High 51°, low 40°.
0.25Sisco Heights, Wednesday, 18 November
Light rain. High 47°, low 41°.
0.65Sisco Heights, Thursday, 19 November
Rain. High 43°, low 40°.
0Sisco Heights, Friday, 20 November
Overcast. High 48°, low 38°.
0
Sisco Heights, Saturday, 21 November
Clear. High 46°, low 34°.
0.02Sisco Heights, Sunday, 22 November
Light rain. High 47°, low 40°.
0.28Sisco Heights, Monday, 23 November
Rain. High 50°, low 44°.
0.24Sisco Heights, Tuesday, 24 November
Rain. High 56°, low 50°.
0.51Sisco Heights, Wednesday, 25 November
Rain. High 55°, low 50°.
0.42Sisco Heights, Thursday, 26 November
Rain. High 56°, low 52°.
0.35Sisco Heights, Friday, 27 November
Climate normal for this date — 60-year average.
0.26Sisco Heights, Saturday, 28 November
Climate normal for this date — 60-year average.
0.27Sisco Heights, Sunday, 29 November
Climate normal for this date — 60-year average.
0.31Sisco Heights, Monday, 30 November
Climate normal for this date — 60-year average.
0.32Sisco Heights, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.36Sisco Heights, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.36Sisco Heights, Thursday, 3 December
Climate normal for this date — 60-year average.
0.29Sisco Heights, Friday, 4 December
Climate normal for this date — 60-year average.
0.25Sisco Heights, Saturday, 5 December
Climate normal for this date — 60-year average.
0.24Sisco Heights, Sunday, 6 December
Climate normal for this date — 60-year average.
0.24Sisco Heights, Monday, 7 December
Climate normal for this date — 60-year average.
0.3Sisco Heights, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.31Sisco Heights, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.38Sisco Heights, 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 Sisco Heights, 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 Sisco Heights, 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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