Weather in Sisco Heights, WA
Sisco Heights, Friday, 30 October, 03:51
Overcast. Feels like 35°. High 49°, low 39°.
Monthly outlook for Sisco Heights, WA: average high 54.9°, average low 40.9°. That is 2.1° above the climate normal for October. Precipitation is expected on 4 days (about 0.6 inches), against a normal of 10 days and 4.9 inches. The warmest day looks like 7 November (68.3°), the coolest 1 November (33.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 30 October – 8 November | 56.1° | 51.9° | +2.3° |
| 9 November – 18 November | 52.9° | 49.2° | +2.1° |
| 19 November – 28 November | at normal | 45.7° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Marysville (3 mi).
0Sisco Heights, Saturday, 31 October
Overcast. High 54°, low 39°.
0
Sisco Heights, Sunday, 1 November
Partly cloudy. High 52°, low 33°.
0Sisco Heights, Monday, 2 November
Overcast. High 53°, low 34°.
0Sisco Heights, Tuesday, 3 November
Overcast. High 54°, low 41°.
0
Sisco Heights, Wednesday, 4 November
Clear. High 60°, low 38°.
0
Sisco Heights, Thursday, 5 November
Light rain. High 53°, low 43°.
0Sisco Heights, Friday, 6 November
Overcast. High 55°, low 44°.
0Sisco Heights, Saturday, 7 November
Overcast. High 68°, low 52°.
0Sisco Heights, Sunday, 8 November
Overcast. High 63°, low 51°.
0.17Sisco Heights, Monday, 9 November
Light rain. High 56°, low 47°.
0.28Sisco Heights, Tuesday, 10 November
Light rain. High 54°, low 44°.
0.04Sisco Heights, Wednesday, 11 November
Light rain. High 50°, low 40°.
0Sisco Heights, Thursday, 12 November
Partly cloudy. High 51°, low 36°.
0
Sisco Heights, Friday, 13 November
Mostly clear. High 52°, low 35°.
0Sisco Heights, Saturday, 14 November
Overcast. High 53°, low 37°.
0.34Sisco Heights, Sunday, 15 November
Climate normal for this date — 60-year average.
0.33Sisco Heights, Monday, 16 November
Climate normal for this date — 60-year average.
0.31Sisco Heights, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.26Sisco Heights, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.38Sisco Heights, Thursday, 19 November
Climate normal for this date — 60-year average.
0.32Sisco Heights, Friday, 20 November
Climate normal for this date — 60-year average.
0.31Sisco Heights, Saturday, 21 November
Climate normal for this date — 60-year average.
0.26Sisco Heights, Sunday, 22 November
Climate normal for this date — 60-year average.
0.45Sisco Heights, Monday, 23 November
Climate normal for this date — 60-year average.
0.37Sisco Heights, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.37Sisco Heights, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.25Sisco Heights, Thursday, 26 November
Climate normal for this date — 60-year average.
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.
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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