Weather in Granite Falls, WA
Granite Falls, Saturday, 8 August, 16:18
Overcast. Feels like 82°. High 83°, low 58°.
Monthly outlook for Granite Falls, WA: average high 78.2°, average low 56°. That is 2.3° 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 (83.8°), the coolest 9 August (51.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 August – 17 August | 77.8° | 74.9° | +1.6° |
| 18 August – 27 August | 79° | 72.9° | +3.4° |
| 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 (9 mi).
0
Granite Falls, Sunday, 9 August
Partly cloudy. High 76°, low 52°.
0Granite Falls, Monday, 10 August
Partly cloudy. High 78°, low 52°.
0
Granite Falls, Tuesday, 11 August
Clear. High 78°, low 55°.
0.01
Granite Falls, Wednesday, 12 August
Light rain. High 68°, low 59°.
0.01Granite Falls, Thursday, 13 August
Light rain. High 74°, low 53°.
0Granite Falls, Friday, 14 August
Overcast. High 78°, low 53°.
0Granite Falls, Saturday, 15 August
Overcast. High 77°, low 58°.
0Granite Falls, Sunday, 16 August
Clear. High 81°, low 56°.
0Granite Falls, Monday, 17 August
Partly cloudy. High 84°, low 57°.
0Granite Falls, Tuesday, 18 August
Overcast. High 82°, low 57°.
0Granite Falls, Wednesday, 19 August
Overcast. High 71°, low 58°.
0Granite Falls, Thursday, 20 August
Overcast. High 79°, low 58°.
0
Granite Falls, Friday, 21 August
Mostly clear. High 82°, low 58°.
0Granite Falls, Saturday, 22 August
Overcast. High 79°, low 56°.
0Granite Falls, Sunday, 23 August
Partly cloudy. High 82°, low 58°.
0.07Granite Falls, Monday, 24 August
Climate normal for this date — 60-year average.
0.07Granite Falls, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.06Granite Falls, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.13Granite Falls, Thursday, 27 August
Climate normal for this date — 60-year average.
0.06Granite Falls, Friday, 28 August
Climate normal for this date — 60-year average.
0.1
Granite Falls, Saturday, 29 August
Climate normal for this date — 60-year average.
0.09Granite Falls, Sunday, 30 August
Climate normal for this date — 60-year average.
0.08Granite Falls, Monday, 31 August
Climate normal for this date — 60-year average.
0.16Granite Falls, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.09Granite Falls, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.09Granite Falls, Thursday, 3 September
Climate normal for this date — 60-year average.
0.06Granite Falls, Friday, 4 September
Climate normal for this date — 60-year average.
0.1Granite Falls, Saturday, 5 September
Climate normal for this date — 60-year average.
0.13Granite Falls, 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 Granite Falls, 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 Granite Falls, 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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