Weather in Orrstown, PA
Orrstown, Saturday, 10 October, 09:47
Overcast. Feels like 56°. High 67°, low 47°.
Monthly outlook for Orrstown, PA: average high 62.3°, average low 44°. That is 0.1° below the climate normal for October. Precipitation is expected on 3 days (about 2.8 inches), against a normal of 4 days and 1.7 inches. The warmest day looks like 13 October (78.4°), the coolest 19 October (28.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 10 October – 19 October | 64.2° | 63.6° | +0.3° |
| 20 October – 29 October | 59.2° | 59.8° | -0.4° |
| 30 October – 8 November | at normal | 56.8° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Shippensburg University (5 mi).
1.67
Orrstown, Sunday, 11 October
Heavy rain. High 63°, low 51°.
0.33Orrstown, Monday, 12 October
Rain. High 73°, low 53°.
0
Orrstown, Tuesday, 13 October
Mostly clear. High 78°, low 54°.
0.01Orrstown, Wednesday, 14 October
Light rain. High 77°, low 62°.
0
Orrstown, Thursday, 15 October
Partly cloudy. High 64°, low 50°.
0.8Orrstown, Friday, 16 October
Rain. High 69°, low 51°.
0
Orrstown, Saturday, 17 October
Clear. High 53°, low 40°.
0Orrstown, Sunday, 18 October
Partly cloudy. High 47°, low 32°.
0Orrstown, Monday, 19 October
Mostly clear. High 51°, low 28°.
0Orrstown, Tuesday, 20 October
Clear. High 57°, low 33°.
0Orrstown, Wednesday, 21 October
Overcast. High 57°, low 38°.
0.02Orrstown, Thursday, 22 October
Light rain. High 62°, low 44°.
0Orrstown, Friday, 23 October
Clear. High 67°, low 43°.
0Orrstown, Saturday, 24 October
Clear. High 57°, low 41°.
0Orrstown, Sunday, 25 October
Mostly clear. High 56°, low 37°.
0.1Orrstown, Monday, 26 October
Climate normal for this date — 60-year average.
0.17Orrstown, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.09Orrstown, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.21Orrstown, Thursday, 29 October
Climate normal for this date — 60-year average.
0.1Orrstown, Friday, 30 October
Climate normal for this date — 60-year average.
0.07Orrstown, Saturday, 31 October
Climate normal for this date — 60-year average.
0.06Orrstown, Sunday, 1 November
Climate normal for this date — 60-year average.
0.14Orrstown, Monday, 2 November
Climate normal for this date — 60-year average.
0.06Orrstown, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.08Orrstown, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.12Orrstown, Thursday, 5 November
Climate normal for this date — 60-year average.
0.06Orrstown, Friday, 6 November
Climate normal for this date — 60-year average.
0.09Orrstown, Saturday, 7 November
Climate normal for this date — 60-year average.
0.15Orrstown, 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 Orrstown, 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 Orrstown, 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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