Weather in Sunday Lake, WA
Sunday Lake, Sunday, 9 August, 01:53
Clear. Feels like 55°. High 76°, low 53°.
Monthly outlook for Sunday Lake, WA: average high 70.9°, average low 53.8°. That is 1.7° below the climate normal for August. Precipitation is expected on 5 days (about 1.1 inches), against a normal of 3 days and 0.9 inches. The warmest day looks like 10 August (76.7°), the coolest 10 August (50.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 72.5° | 74.8° | -1.2° |
| 19 August – 28 August | 68.1° | 72.7° | -2.6° |
| 29 August – 7 September | at normal | 70.7° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Marysville (12 mi).
0
Sunday Lake, Monday, 10 August
Partly cloudy. High 77°, low 50°.
0
Sunday Lake, Tuesday, 11 August
Clear. High 70°, low 51°.
0Sunday Lake, Wednesday, 12 August
Clear. High 72°, low 52°.
0Sunday Lake, Thursday, 13 August
Clear. High 75°, low 52°.
0
Sunday Lake, Friday, 14 August
Overcast. High 74°, low 55°.
0.01
Sunday Lake, Saturday, 15 August
Light rain. High 75°, low 55°.
0Sunday Lake, Sunday, 16 August
Overcast. High 74°, low 53°.
0.26Sunday Lake, Monday, 17 August
Light rain. High 61°, low 57°.
0Sunday Lake, Tuesday, 18 August
Overcast. High 71°, low 55°.
0Sunday Lake, Wednesday, 19 August
Partly cloudy. High 74°, low 53°.
0.01Sunday Lake, Thursday, 20 August
Light rain. High 72°, low 59°.
0.05Sunday Lake, Friday, 21 August
Light rain. High 71°, low 56°.
0.15Sunday Lake, Saturday, 22 August
Light rain. High 65°, low 53°.
0.06Sunday Lake, Sunday, 23 August
Light rain. High 69°, low 54°.
0.54Sunday Lake, Monday, 24 August
Rain. High 57°, low 54°.
0.07Sunday Lake, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.06Sunday Lake, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.13Sunday Lake, Thursday, 27 August
Climate normal for this date — 60-year average.
0.06Sunday Lake, Friday, 28 August
Climate normal for this date — 60-year average.
0.1
Sunday Lake, Saturday, 29 August
Climate normal for this date — 60-year average.
0.09Sunday Lake, Sunday, 30 August
Climate normal for this date — 60-year average.
0.08Sunday Lake, Monday, 31 August
Climate normal for this date — 60-year average.
0.16Sunday Lake, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.09Sunday Lake, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.09Sunday Lake, Thursday, 3 September
Climate normal for this date — 60-year average.
0.06Sunday Lake, Friday, 4 September
Climate normal for this date — 60-year average.
0.1Sunday Lake, Saturday, 5 September
Climate normal for this date — 60-year average.
0.13Sunday Lake, Sunday, 6 September
Climate normal for this date — 60-year average.
0.07Sunday Lake, Monday, 7 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 Sunday Lake, 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 Sunday Lake, 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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