Weather in Mountain Top, WA
Mountain Top, Sunday, 18 October, 23:02
Overcast. Feels like 34°. High 54°, low 28°.
Monthly outlook for Mountain Top, WA: average high 47.5°, average low 32.9°. That is 5.7° below the climate normal for October. Precipitation is expected on 4 days (about 1.2 inches), against a normal of 5 days and 1.3 inches. The warmest day looks like 21 October (63.6°), the coolest 30 October (22.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 18 October – 27 October | 52.7° | 60° | -4° |
| 28 October – 6 November | 38.9° | 54.1° | -8.5° |
| 7 November – 16 November | at normal | 50.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Dayton (11 mi).
0Mountain Top, Monday, 19 October
Overcast. High 54°, low 31°.
0Mountain Top, Tuesday, 20 October
Overcast. High 60°, low 34°.
0Mountain Top, Wednesday, 21 October
Overcast. High 64°, low 46°.
0.39
Mountain Top, Thursday, 22 October
Rain. High 58°, low 45°.
0.03Mountain Top, Friday, 23 October
Light rain. High 44°, low 37°.
0
Mountain Top, Saturday, 24 October
Partly cloudy. High 50°, low 31°.
0Mountain Top, Sunday, 25 October
Overcast. High 47°, low 36°.
0Mountain Top, Monday, 26 October
Overcast. High 50°, low 35°.
0Mountain Top, Tuesday, 27 October
Overcast. High 46°, low 34°.
0.08
Mountain Top, Wednesday, 28 October
Snow. High 37°, low 30°.
0.23Mountain Top, Thursday, 29 October
Snow. High 32°, low 24°.
0
Mountain Top, Friday, 30 October
Mostly clear. High 36°, low 22°.
0.02Mountain Top, Saturday, 31 October
Light rain. High 41°, low 27°.
0Mountain Top, Sunday, 1 November
Overcast. High 46°, low 37°.
0.47Mountain Top, Monday, 2 November
Snow. High 42°, low 29°.
0.04Mountain Top, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.12
Mountain 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.
0.1Mountain Top, Monday, 16 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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