Weather in Hallam, PA
Hallam, Saturday, 10 October, 19:01
Overcast. Feels like 63°. High 69°, low 46°.
Monthly outlook for Hallam, PA: average high 61.9°, average low 44.1°. That is 0.8° below the climate normal for October. Precipitation is expected on 5 days (about 3.9 inches), against a normal of 4 days and 1.7 inches. The warmest day looks like 13 October (77.5°), the coolest 20 October (30.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 10 October – 19 October | 65.4° | 64.4° | +0.6° |
| 20 October – 29 October | 56.1° | 60.9° | -2.7° |
| 30 October – 8 November | at normal | 58° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — North York (7 mi).
2.4
Hallam, Sunday, 11 October
Heavy rain. High 64°, low 51°.
0.88Hallam, Monday, 12 October
Heavy rain. High 72°, low 53°.
0
Hallam, Tuesday, 13 October
Clear. High 78°, low 55°.
0.19Hallam, Wednesday, 14 October
Rain. High 77°, low 64°.
0Hallam, Thursday, 15 October
Overcast. High 64°, low 51°.
0.19Hallam, Friday, 16 October
Light rain. High 71°, low 52°.
0.28Hallam, Saturday, 17 October
Light rain. High 62°, low 45°.
0Hallam, Sunday, 18 October
Clear. High 50°, low 36°.
0Hallam, Monday, 19 October
Clear. High 48°, low 33°.
0Hallam, Tuesday, 20 October
Overcast. High 50°, low 30°.
0Hallam, Wednesday, 21 October
Clear. High 55°, low 33°.
0Hallam, Thursday, 22 October
Clear. High 57°, low 36°.
0Hallam, Friday, 23 October
Clear. High 58°, low 38°.
0
Hallam, Saturday, 24 October
Partly cloudy. High 58°, low 40°.
0Hallam, Sunday, 25 October
Overcast. High 59°, low 41°.
0.11
Hallam, Monday, 26 October
Climate normal for this date — 60-year average.
0.17Hallam, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.12Hallam, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.21Hallam, Thursday, 29 October
Climate normal for this date — 60-year average.
0.11Hallam, Friday, 30 October
Climate normal for this date — 60-year average.
0.06Hallam, Saturday, 31 October
Climate normal for this date — 60-year average.
0.06Hallam, Sunday, 1 November
Climate normal for this date — 60-year average.
0.13Hallam, Monday, 2 November
Climate normal for this date — 60-year average.
0.07Hallam, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.08Hallam, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.1Hallam, Thursday, 5 November
Climate normal for this date — 60-year average.
0.06Hallam, Friday, 6 November
Climate normal for this date — 60-year average.
0.07Hallam, Saturday, 7 November
Climate normal for this date — 60-year average.
0.17Hallam, Sunday, 8 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 Hallam, 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 Hallam, 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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