Weather in Mountain Top, WA
Mountain Top, Sunday, 18 October, 05:51
Clear. Feels like 29°. High 54°, low 29°.
Monthly outlook for Mountain Top, WA: average high 53.9°, average low 38.6°. That is 2.2° below the climate normal for October. Precipitation is expected on 4 days (about 0.7 inches), against a normal of 5 days and 1.3 inches. The warmest day looks like 21 October (63.6°), the coolest 18 October (29°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 18 October – 27 October | 55.6° | 60° | -2.4° |
| 28 October – 6 November | 51.3° | 54.1° | -1.6° |
| 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).
0
Mountain Top, Monday, 19 October
Overcast. High 54°, low 32°.
0Mountain Top, Tuesday, 20 October
Overcast. High 61°, low 43°.
0Mountain Top, Wednesday, 21 October
Overcast. High 64°, low 44°.
0.37
Mountain Top, Thursday, 22 October
Rain. High 55°, low 44°.
0
Mountain Top, Friday, 23 October
Clear. High 46°, low 36°.
0
Mountain Top, Saturday, 24 October
Partly cloudy. High 53°, low 35°.
0Mountain Top, Sunday, 25 October
Clear. High 61°, low 41°.
0Mountain Top, Monday, 26 October
Overcast. High 55°, low 39°.
0Mountain Top, Tuesday, 27 October
Overcast. High 54°, low 37°.
0Mountain Top, Wednesday, 28 October
Partly cloudy. High 55°, low 39°.
0Mountain Top, Thursday, 29 October
Overcast. High 57°, low 40°.
0Mountain Top, Friday, 30 October
Overcast. High 55°, low 45°.
0.04Mountain Top, Saturday, 31 October
Light rain. High 49°, low 40°.
0.27Mountain Top, Sunday, 1 November
Light rain. High 45°, low 36°.
0.04Mountain Top, Monday, 2 November
Light rain. High 47°, low 39°.
0.04
Mountain 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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