Weather in Lake Cassidy, WA
Lake Cassidy, Saturday, 8 August, 17:36
Mostly clear. Feels like 80°. High 81°, low 57°.
Monthly outlook for Lake Cassidy, WA: average high 77.5°, average low 54°. That is 1.9° above the climate normal for August. Precipitation is expected on 0 days (about 0.0 inches), against a normal of 3 days and 0.9 inches. The warmest day looks like 17 August (83.9°), the coolest 10 August (49.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 August – 17 August | 77.2° | 74.9° | +1.2° |
| 18 August – 27 August | 78.1° | 72.9° | +2.9° |
| 28 August – 6 September | at normal | 70.9° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Marysville (3 mi).
0
Lake Cassidy, Sunday, 9 August
Partly cloudy. High 75°, low 51°.
0Lake Cassidy, Monday, 10 August
Partly cloudy. High 77°, low 50°.
0
Lake Cassidy, Tuesday, 11 August
Clear. High 78°, low 52°.
0
Lake Cassidy, Wednesday, 12 August
Light rain. High 67°, low 57°.
0.01Lake Cassidy, Thursday, 13 August
Light rain. High 74°, low 52°.
0
Lake Cassidy, Friday, 14 August
Overcast. High 76°, low 51°.
0Lake Cassidy, Saturday, 15 August
Overcast. High 79°, low 55°.
0Lake Cassidy, Sunday, 16 August
Clear. High 81°, low 54°.
0Lake Cassidy, Monday, 17 August
Partly cloudy. High 84°, low 54°.
0Lake Cassidy, Tuesday, 18 August
Overcast. High 83°, low 54°.
0Lake Cassidy, Wednesday, 19 August
Overcast. High 69°, low 55°.
0Lake Cassidy, Thursday, 20 August
Overcast. High 78°, low 56°.
0Lake Cassidy, Friday, 21 August
Mostly clear. High 83°, low 56°.
0Lake Cassidy, Saturday, 22 August
Overcast. High 76°, low 55°.
0Lake Cassidy, Sunday, 23 August
Partly cloudy. High 80°, low 54°.
0.07Lake Cassidy, Monday, 24 August
Climate normal for this date — 60-year average.
0.07Lake Cassidy, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.06Lake Cassidy, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.13Lake Cassidy, Thursday, 27 August
Climate normal for this date — 60-year average.
0.06Lake Cassidy, Friday, 28 August
Climate normal for this date — 60-year average.
0.1
Lake Cassidy, Saturday, 29 August
Climate normal for this date — 60-year average.
0.09Lake Cassidy, Sunday, 30 August
Climate normal for this date — 60-year average.
0.08Lake Cassidy, Monday, 31 August
Climate normal for this date — 60-year average.
0.16Lake Cassidy, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.09Lake Cassidy, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.09Lake Cassidy, Thursday, 3 September
Climate normal for this date — 60-year average.
0.06Lake Cassidy, Friday, 4 September
Climate normal for this date — 60-year average.
0.1Lake Cassidy, Saturday, 5 September
Climate normal for this date — 60-year average.
0.13Lake Cassidy, 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 Lake Cassidy, 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 Lake Cassidy, 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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