Weather in Chambersburg, PA
Chambersburg, Saturday, 24 October, 02:10
Partly cloudy. Feels like 41°. High 63°, low 37°.
Monthly outlook for Chambersburg, PA: average high 61.2°, average low 41.7°. That is 2° above the climate normal for October. Precipitation is expected on 1 day (about 0.2 inches), against a normal of 4 days and 1.8 inches. The warmest day looks like 30 October (71.7°), the coolest 5 November (33.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 24 October – 2 November | 62.9° | 58.7° | +2.3° |
| 3 November – 12 November | 58.3° | 54.7° | +2° |
| 13 November – 22 November | at normal | 49.7° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Shippensburg University (11 mi).
0
Chambersburg, Sunday, 25 October
Clear. High 64°, low 34°.
0Chambersburg, Monday, 26 October
Clear. High 67°, low 39°.
0Chambersburg, Tuesday, 27 October
Clear. High 62°, low 47°.
0
Chambersburg, Wednesday, 28 October
Overcast. High 57°, low 40°.
0Chambersburg, Thursday, 29 October
Clear. High 64°, low 43°.
0
Chambersburg, Friday, 30 October
Partly cloudy. High 72°, low 47°.
0
Chambersburg, Saturday, 31 October
Mostly clear. High 67°, low 51°.
0Chambersburg, Sunday, 1 November
Overcast. High 59°, low 46°.
0.16
Chambersburg, Monday, 2 November
Light rain. High 54°, low 48°.
0.01Chambersburg, Tuesday, 3 November
Light rain. High 59°, low 39°.
0Chambersburg, Wednesday, 4 November
Partly cloudy. High 50°, low 35°.
0Chambersburg, Thursday, 5 November
Overcast. High 60°, low 34°.
0Chambersburg, Friday, 6 November
Clear. High 59°, low 40°.
0.01Chambersburg, Saturday, 7 November
Light rain. High 65°, low 41°.
0.02Chambersburg, Sunday, 8 November
Light rain. High 57°, low 47°.
0.07
Chambersburg, Monday, 9 November
Climate normal for this date — 60-year average.
0.15Chambersburg, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.13Chambersburg, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.17Chambersburg, Thursday, 12 November
Climate normal for this date — 60-year average.
0.07Chambersburg, Friday, 13 November
Climate normal for this date — 60-year average.
0.07Chambersburg, Saturday, 14 November
Climate normal for this date — 60-year average.
0.12Chambersburg, Sunday, 15 November
Climate normal for this date — 60-year average.
0.13Chambersburg, Monday, 16 November
Climate normal for this date — 60-year average.
0.09Chambersburg, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.07Chambersburg, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.09Chambersburg, Thursday, 19 November
Climate normal for this date — 60-year average.
0.07Chambersburg, Friday, 20 November
Climate normal for this date — 60-year average.
0.1Chambersburg, Saturday, 21 November
Climate normal for this date — 60-year average.
0.1Chambersburg, Sunday, 22 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 Chambersburg, 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 Chambersburg, 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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