Weather in Preston, WA
Preston, Saturday, 8 August, 19:37
Mostly clear. Feels like 77°. High 81°, low 56°.
Monthly outlook for Preston, WA: average high 80.9°, average low 53.4°. That is 3.1° above the climate normal for August. Precipitation is expected on 0 days (about 0.0 inches), against a normal of 3 days and 0.7 inches. The warmest day looks like 15 August (89.5°), the coolest 9 August (50.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 August – 17 August | 82.4° | 76.1° | +3.5° |
| 18 August – 27 August | 78.2° | 73.7° | +2.5° |
| 28 August – 6 September | at normal | 71.8° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Bellevue (12 mi).
0
Preston, Sunday, 9 August
Overcast. High 75°, low 50°.
0
Preston, Monday, 10 August
Partly cloudy. High 78°, low 51°.
0
Preston, Tuesday, 11 August
Clear. High 79°, low 51°.
0Preston, Wednesday, 12 August
Clear. High 79°, low 52°.
0Preston, Thursday, 13 August
Clear. High 80°, low 51°.
0Preston, Friday, 14 August
Clear. High 87°, low 54°.
0Preston, Saturday, 15 August
Clear. High 90°, low 59°.
0Preston, Sunday, 16 August
Mostly clear. High 89°, low 59°.
0Preston, Monday, 17 August
Clear. High 87°, low 57°.
0Preston, Tuesday, 18 August
Overcast. High 82°, low 55°.
0Preston, Wednesday, 19 August
Overcast. High 77°, low 53°.
0Preston, Thursday, 20 August
Clear. High 76°, low 52°.
0Preston, Friday, 21 August
Clear. High 79°, low 51°.
0Preston, Saturday, 22 August
Overcast. High 81°, low 53°.
0Preston, Sunday, 23 August
Partly cloudy. High 74°, low 52°.
0.07Preston, Monday, 24 August
Climate normal for this date — 60-year average.
0.07Preston, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.05Preston, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.08Preston, Thursday, 27 August
Climate normal for this date — 60-year average.
0.04Preston, Friday, 28 August
Climate normal for this date — 60-year average.
0.11Preston, Saturday, 29 August
Climate normal for this date — 60-year average.
0.07
Preston, Sunday, 30 August
Climate normal for this date — 60-year average.
0.06Preston, Monday, 31 August
Climate normal for this date — 60-year average.
0.08Preston, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.08Preston, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.08Preston, Thursday, 3 September
Climate normal for this date — 60-year average.
0.06Preston, Friday, 4 September
Climate normal for this date — 60-year average.
0.07Preston, Saturday, 5 September
Climate normal for this date — 60-year average.
0.1Preston, Sunday, 6 September
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 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 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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