Weather in Bonney Lake, WA
Bonney Lake, Sunday, 9 August, 03:06
Clear. Feels like 56°. High 79°, low 55°.
Monthly outlook for Bonney Lake, WA: average high 76.3°, average low 54.7°. That is 1.2° above the climate normal for August. Precipitation is expected on 5 days (about 1.7 inches), against a normal of 3 days and 0.8 inches. The warmest day looks like 13 August (85.6°), the coolest 11 August (50.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 80.1° | 75.1° | +2.8° |
| 19 August – 28 August | 69.9° | 72.8° | -1.6° |
| 29 August – 7 September | at normal | 71° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Graham (11 mi).
0
Bonney Lake, Monday, 10 August
Partly cloudy. High 80°, low 52°.
0
Bonney Lake, Tuesday, 11 August
Clear. High 83°, low 50°.
0Bonney Lake, Wednesday, 12 August
Clear. High 83°, low 53°.
0Bonney Lake, Thursday, 13 August
Clear. High 86°, low 52°.
0
Bonney Lake, Friday, 14 August
Overcast. High 85°, low 54°.
0Bonney Lake, Saturday, 15 August
Overcast. High 85°, low 55°.
0Bonney Lake, Sunday, 16 August
Overcast. High 82°, low 54°.
0.34
Bonney Lake, Monday, 17 August
Light rain. High 61°, low 57°.
0Bonney Lake, Tuesday, 18 August
Overcast. High 78°, low 55°.
0Bonney Lake, Wednesday, 19 August
Overcast. High 76°, low 56°.
0.2Bonney Lake, Thursday, 20 August
Light rain. High 79°, low 60°.
0.09Bonney Lake, Friday, 21 August
Light rain. High 71°, low 57°.
0.38Bonney Lake, Saturday, 22 August
Light rain. High 66°, low 57°.
0Bonney Lake, Sunday, 23 August
Overcast. High 69°, low 55°.
0.65Bonney Lake, Monday, 24 August
Rain. High 59°, low 54°.
0.07
Bonney Lake, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.04Bonney Lake, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.09Bonney Lake, Thursday, 27 August
Climate normal for this date — 60-year average.
0.05Bonney Lake, Friday, 28 August
Climate normal for this date — 60-year average.
0.11Bonney Lake, Saturday, 29 August
Climate normal for this date — 60-year average.
0.09
Bonney Lake, Sunday, 30 August
Climate normal for this date — 60-year average.
0.06Bonney Lake, Monday, 31 August
Climate normal for this date — 60-year average.
0.11Bonney Lake, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.08Bonney Lake, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.07Bonney Lake, Thursday, 3 September
Climate normal for this date — 60-year average.
0.04Bonney Lake, Friday, 4 September
Climate normal for this date — 60-year average.
0.09Bonney Lake, Saturday, 5 September
Climate normal for this date — 60-year average.
0.11Bonney Lake, Sunday, 6 September
Climate normal for this date — 60-year average.
0.07Bonney 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 Bonney 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 Bonney 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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