Weather in Summit Mills, PA
Summit Mills, Saturday, 17 October, 08:26
Overcast. Feels like 36°. High 50°, low 38°.
Monthly outlook for Summit Mills, PA: average high 58.9°, average low 38.8°. That is 2.1° above the climate normal for October. Precipitation is expected on 3 days (about 0.3 inches), against a normal of 6 days and 2.0 inches. The warmest day looks like 25 October (65.2°), the coolest 28 October (30.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 17 October – 26 October | 61.2° | 55.8° | +3° |
| 27 October – 5 November | 55.1° | 53.5° | +0.9° |
| 6 November – 15 November | at normal | 48.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Addison (11 mi).
0
Summit Mills, Sunday, 18 October
Clear. High 60°, low 36°.
0Summit Mills, Monday, 19 October
Clear. High 64°, low 38°.
0Summit Mills, Tuesday, 20 October
Clear. High 65°, low 41°.
0Summit Mills, Wednesday, 21 October
Clear. High 64°, low 40°.
0Summit Mills, Thursday, 22 October
Clear. High 63°, low 40°.
0Summit Mills, Friday, 23 October
Clear. High 59°, low 42°.
0Summit Mills, Saturday, 24 October
Clear. High 57°, low 38°.
0
Summit Mills, Sunday, 25 October
Partly cloudy. High 65°, low 38°.
0Summit Mills, Monday, 26 October
Overcast. High 65°, low 46°.
0.12
Summit Mills, Tuesday, 27 October
Light rain. High 51°, low 35°.
0Summit Mills, Wednesday, 28 October
Overcast. High 52°, low 31°.
0.17Summit Mills, Thursday, 29 October
Light rain. High 60°, low 42°.
0.01Summit Mills, Friday, 30 October
Light rain. High 49°, low 37°.
0
Summit Mills, Saturday, 31 October
Mostly clear. High 56°, low 36°.
0Summit Mills, Sunday, 1 November
Overcast. High 63°, low 42°.
0.15
Summit Mills, Monday, 2 November
Climate normal for this date — 60-year average.
0.09Summit Mills, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.12Summit Mills, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.13Summit Mills, Thursday, 5 November
Climate normal for this date — 60-year average.
0.07Summit Mills, Friday, 6 November
Climate normal for this date — 60-year average.
0.13Summit Mills, Saturday, 7 November
Climate normal for this date — 60-year average.
0.12Summit Mills, Sunday, 8 November
Climate normal for this date — 60-year average.
0.1Summit Mills, Monday, 9 November
Climate normal for this date — 60-year average.
0.17Summit Mills, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.16Summit Mills, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.18Summit Mills, Thursday, 12 November
Climate normal for this date — 60-year average.
0.07Summit Mills, Friday, 13 November
Climate normal for this date — 60-year average.
0.09Summit Mills, Saturday, 14 November
Climate normal for this date — 60-year average.
0.16Summit Mills, 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 Summit Mills, PA 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 Summit Mills, PA 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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