Weather in Upper Preston, WA
Upper Preston, Friday, 16 October, 06:09
Overcast. Feels like 44°. High 71°, low 46°.
Monthly outlook for Upper Preston, WA: average high 54.7°, average low 42.5°. That is 0.5° below the climate normal for October. Precipitation is expected on 9 days (about 5.2 inches), against a normal of 8 days and 3.4 inches. The warmest day looks like 16 October (70.6°), the coolest 24 October (35°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 16 October – 25 October | 56.7° | 57° | -0.2° |
| 26 October – 4 November | 51.4° | 53.1° | -1° |
| 5 November – 14 November | at normal | 50.7° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Bellevue (13 mi).
0.25
Upper Preston, Saturday, 17 October
Rain. High 58°, low 43°.
0Upper Preston, Sunday, 18 October
Overcast. High 57°, low 38°.
0Upper Preston, Monday, 19 October
Overcast. High 56°, low 40°.
0
Upper Preston, Tuesday, 20 October
Partly cloudy. High 56°, low 40°.
0
Upper Preston, Wednesday, 21 October
Clear. High 60°, low 39°.
0.02Upper Preston, Thursday, 22 October
Light rain. High 53°, low 42°.
0.04Upper Preston, Friday, 23 October
Light rain. High 51°, low 37°.
0
Upper Preston, Saturday, 24 October
Mostly clear. High 57°, low 35°.
0.04Upper Preston, Sunday, 25 October
Light rain. High 49°, low 43°.
1.25Upper Preston, Monday, 26 October
Rain. High 49°, low 48°.
2.27Upper Preston, Tuesday, 27 October
Heavy rain. High 51°, low 44°.
0.15Upper Preston, Wednesday, 28 October
Light rain. High 49°, low 45°.
0.09Upper Preston, Thursday, 29 October
Light rain. High 52°, low 45°.
0.84Upper Preston, Friday, 30 October
Rain. High 57°, low 49°.
0.3Upper Preston, Saturday, 31 October
Light rain. High 50°, low 45°.
0.24Upper Preston, Sunday, 1 November
Climate normal for this date — 60-year average.
0.2Upper Preston, Monday, 2 November
Climate normal for this date — 60-year average.
0.27Upper Preston, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.33Upper Preston, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.19Upper Preston, Thursday, 5 November
Climate normal for this date — 60-year average.
0.3Upper Preston, Friday, 6 November
Climate normal for this date — 60-year average.
0.26Upper Preston, Saturday, 7 November
Climate normal for this date — 60-year average.
0.19Upper Preston, Sunday, 8 November
Climate normal for this date — 60-year average.
0.24Upper Preston, Monday, 9 November
Climate normal for this date — 60-year average.
0.2
Upper Preston, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.24Upper Preston, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.28Upper Preston, Thursday, 12 November
Climate normal for this date — 60-year average.
0.3Upper Preston, Friday, 13 November
Climate normal for this date — 60-year average.
0.3Upper Preston, Saturday, 14 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 Upper Preston, 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 Upper Preston, 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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