Weather in Katellen, PA
Katellen, Saturday, 17 October, 22:16
Clear. Feels like 38°. High 55°, low 39°.
Monthly outlook for Katellen, PA: average high 58.5°, average low 38.7°. That is 0.2° below the climate normal for October. Precipitation is expected on 2 days (about 1.3 inches), against a normal of 4 days and 2.0 inches. The warmest day looks like 30 October (69°), the coolest 18 October (33.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 17 October – 26 October | 57.9° | 60° | -1.2° |
| 27 October – 5 November | 59.6° | 57° | +1.5° |
| 6 November – 15 November | at normal | 52.1° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Lower Nazareth (8 mi).
0
Katellen, Sunday, 18 October
Clear. High 55°, low 33°.
0
Katellen, Monday, 19 October
Partly cloudy. High 66°, low 37°.
0Katellen, Tuesday, 20 October
Clear. High 64°, low 47°.
0Katellen, Wednesday, 21 October
Clear. High 58°, low 40°.
0Katellen, Thursday, 22 October
Clear. High 61°, low 36°.
0Katellen, Friday, 23 October
Clear. High 55°, low 38°.
0Katellen, Saturday, 24 October
Clear. High 53°, low 34°.
0
Katellen, Sunday, 25 October
Overcast. High 56°, low 33°.
0Katellen, Monday, 26 October
Overcast. High 56°, low 38°.
0Katellen, Tuesday, 27 October
Clear. High 57°, low 34°.
0Katellen, Wednesday, 28 October
Overcast. High 59°, low 38°.
0Katellen, Thursday, 29 October
Overcast. High 60°, low 40°.
0.17
Katellen, Friday, 30 October
Light rain. High 69°, low 46°.
0Katellen, Saturday, 31 October
Clear. High 60°, low 45°.
1.11Katellen, Sunday, 1 November
Heavy rain. High 52°, low 42°.
0.13Katellen, Monday, 2 November
Climate normal for this date — 60-year average.
0.08Katellen, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.06Katellen, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.13Katellen, Thursday, 5 November
Climate normal for this date — 60-year average.
0.08Katellen, Friday, 6 November
Climate normal for this date — 60-year average.
0.07Katellen, Saturday, 7 November
Climate normal for this date — 60-year average.
0.13Katellen, Sunday, 8 November
Climate normal for this date — 60-year average.
0.1
Katellen, Monday, 9 November
Climate normal for this date — 60-year average.
0.17Katellen, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.13Katellen, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.17Katellen, Thursday, 12 November
Climate normal for this date — 60-year average.
0.12Katellen, Friday, 13 November
Climate normal for this date — 60-year average.
0.08Katellen, Saturday, 14 November
Climate normal for this date — 60-year average.
0.11Katellen, 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 Katellen, 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 Katellen, 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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