Weather in Chambersburg, MO
Chambersburg, Tuesday, 20 October, 04:35
Clear. Feels like 43°. High 72°, low 44°.
Monthly outlook for Chambersburg, MO: average high 61.3°, average low 43.2°. That is 1.3° above the climate normal for October. Precipitation is expected on 2 days (about 0.4 inches), against a normal of 4 days and 1.6 inches. The warmest day looks like 25 October (76.9°), the coolest 28 October (26.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 65° | 60.5° | +2.5° |
| 30 October – 8 November | 55.2° | 55.6° | -0.2° |
| 9 November – 18 November | at normal | 50.7° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Wyaconda (11 mi).
0
Chambersburg, Wednesday, 21 October
Clear. High 73°, low 46°.
0Chambersburg, Thursday, 22 October
Clear. High 73°, low 50°.
0Chambersburg, Friday, 23 October
Clear. High 72°, low 52°.
0
Chambersburg, Saturday, 24 October
Mostly clear. High 74°, low 55°.
0
Chambersburg, Sunday, 25 October
Overcast. High 77°, low 56°.
0.15
Chambersburg, Monday, 26 October
Light rain. High 64°, low 44°.
0Chambersburg, Tuesday, 27 October
Overcast. High 51°, low 37°.
0Chambersburg, Wednesday, 28 October
Clear. High 44°, low 26°.
0Chambersburg, Thursday, 29 October
Overcast. High 50°, low 31°.
0Chambersburg, Friday, 30 October
Overcast. High 55°, low 42°.
0Chambersburg, Saturday, 31 October
Clear. High 57°, low 42°.
0.18Chambersburg, Sunday, 1 November
Light rain. High 54°, low 42°.
0.02Chambersburg, Monday, 2 November
Light rain. High 52°, low 42°.
0Chambersburg, Tuesday, 3 November
Overcast. High 51°, low 40°.
0Chambersburg, Wednesday, 4 November
Overcast. High 62°, low 42°.
0.07
Chambersburg, Thursday, 5 November
Climate normal for this date — 60-year average.
0.08Chambersburg, Friday, 6 November
Climate normal for this date — 60-year average.
0.02Chambersburg, Saturday, 7 November
Climate normal for this date — 60-year average.
0.05Chambersburg, Sunday, 8 November
Climate normal for this date — 60-year average.
0.13Chambersburg, Monday, 9 November
Climate normal for this date — 60-year average.
0.09Chambersburg, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.06Chambersburg, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.07Chambersburg, Thursday, 12 November
Climate normal for this date — 60-year average.
0.06Chambersburg, Friday, 13 November
Climate normal for this date — 60-year average.
0.05Chambersburg, Saturday, 14 November
Climate normal for this date — 60-year average.
0.06Chambersburg, Sunday, 15 November
Climate normal for this date — 60-year average.
0.06Chambersburg, Monday, 16 November
Climate normal for this date — 60-year average.
0.14Chambersburg, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.08Chambersburg, Wednesday, 18 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, MO 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, MO 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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