Weather in Mountain Top, WA
Mountain Top, Saturday, 17 October, 11:53
Overcast. Feels like 54°. High 58°, low 34°.
Monthly outlook for Mountain Top, WA: average high 45.8°, average low 34.8°. That is 7° below the climate normal for October. Precipitation is expected on 9 days (about 3.3 inches), against a normal of 5 days and 1.2 inches. The warmest day looks like 21 October (63.5°), the coolest 30 October (25.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 17 October – 26 October | 52.3° | 60.6° | -4.6° |
| 27 October – 5 November | 35.2° | 54.5° | -10.7° |
| 6 November – 15 November | at normal | 51° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Dayton (11 mi).
0
Mountain Top, Sunday, 18 October
Clear. High 56°, low 31°.
0Mountain Top, Monday, 19 October
Overcast. High 57°, low 42°.
0
Mountain Top, Tuesday, 20 October
Partly cloudy. High 60°, low 42°.
0Mountain Top, Wednesday, 21 October
Overcast. High 64°, low 45°.
0Mountain Top, Thursday, 22 October
Overcast. High 60°, low 47°.
0Mountain Top, Friday, 23 October
Overcast. High 51°, low 38°.
0.2
Mountain Top, Saturday, 24 October
Light rain. High 41°, low 37°.
0.72
Mountain Top, Sunday, 25 October
Snow. High 37°, low 33°.
0.49Mountain Top, Monday, 26 October
Rain. High 39°, low 35°.
0.78Mountain Top, Tuesday, 27 October
Snow. High 38°, low 31°.
0.49Mountain Top, Wednesday, 28 October
Snow. High 36°, low 31°.
0.12Mountain Top, Thursday, 29 October
Light snow. High 33°, low 27°.
0.1Mountain Top, Friday, 30 October
Snow. High 35°, low 26°.
0.24Mountain Top, Saturday, 31 October
Snow. High 34°, low 28°.
0.12Mountain Top, Sunday, 1 November
Light snow. High 34°, low 28°.
0.07
Mountain Top, Monday, 2 November
Climate normal for this date — 60-year average.
0.04
Mountain Top, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.12Mountain Top, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.1Mountain Top, Thursday, 5 November
Climate normal for this date — 60-year average.
0.11Mountain Top, Friday, 6 November
Climate normal for this date — 60-year average.
0.13Mountain Top, Saturday, 7 November
Climate normal for this date — 60-year average.
0.09Mountain Top, Sunday, 8 November
Climate normal for this date — 60-year average.
0.07Mountain Top, Monday, 9 November
Climate normal for this date — 60-year average.
0.07Mountain Top, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.08Mountain Top, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.11Mountain Top, Thursday, 12 November
Climate normal for this date — 60-year average.
0.1Mountain Top, Friday, 13 November
Climate normal for this date — 60-year average.
0.05Mountain Top, Saturday, 14 November
Climate normal for this date — 60-year average.
0.06Mountain Top, 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 Mountain Top, 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 Mountain Top, 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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