Weather in Grotto, WA
Grotto, Saturday, 17 October, 12:41
Overcast. Feels like 54°. High 58°, low 43°.
Monthly outlook for Grotto, WA: average high 51.2°, average low 38.8°. That is 2.3° below the climate normal for October. Precipitation is expected on 9 days (about 8.4 inches), against a normal of 9 days and 5.1 inches. The warmest day looks like 18 October (70.2°), the coolest 1 November (30.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 17 October – 26 October | 57.2° | 57.1° | +0° |
| 27 October – 5 November | 41.2° | 52° | -6° |
| 6 November – 15 November | at normal | 48.5° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Skykomish (3 mi).
0Grotto, Sunday, 18 October
Overcast. High 70°, low 37°.
0Grotto, Monday, 19 October
Overcast. High 55°, low 35°.
0
Grotto, Tuesday, 20 October
Clear. High 65°, low 33°.
0Grotto, Wednesday, 21 October
Clear. High 68°, low 36°.
0.01
Grotto, Thursday, 22 October
Light rain. High 53°, low 39°.
0Grotto, Friday, 23 October
Overcast. High 56°, low 41°.
0.4Grotto, Saturday, 24 October
Light rain. High 47°, low 44°.
0.14Grotto, Sunday, 25 October
Light rain. High 50°, low 42°.
1.48Grotto, Monday, 26 October
Rain. High 50°, low 44°.
2.37Grotto, Tuesday, 27 October
Heavy rain. High 43°, low 41°.
2.16
Grotto, Wednesday, 28 October
Snow. High 41°, low 39°.
0.33Grotto, Thursday, 29 October
Snow. High 41°, low 40°.
0.09Grotto, Friday, 30 October
Light snow. High 41°, low 37°.
0.96Grotto, Saturday, 31 October
Snow. High 40°, low 39°.
0
Grotto, Sunday, 1 November
Partly cloudy. High 41°, low 31°.
0.31Grotto, Monday, 2 November
Climate normal for this date — 60-year average.
0.35Grotto, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.52Grotto, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.33Grotto, Thursday, 5 November
Climate normal for this date — 60-year average.
0.44Grotto, Friday, 6 November
Climate normal for this date — 60-year average.
0.44Grotto, Saturday, 7 November
Climate normal for this date — 60-year average.
0.32Grotto, Sunday, 8 November
Climate normal for this date — 60-year average.
0.34Grotto, Monday, 9 November
Climate normal for this date — 60-year average.
0.31Grotto, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.38Grotto, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.44Grotto, Thursday, 12 November
Climate normal for this date — 60-year average.
0.47Grotto, Friday, 13 November
Climate normal for this date — 60-year average.
0.41Grotto, Saturday, 14 November
Climate normal for this date — 60-year average.
0.39Grotto, Sunday, 15 November
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 Grotto, 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 Grotto, 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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