Weather in Chambersburg, IN
Chambersburg, Sunday, 9 August, 01:27
Clear. Feels like 75°. High 91°, low 73°.
0
Chambersburg, Monday, 10 August
Clear. High 92°, low 75°.
0
Chambersburg, Tuesday, 11 August
Partly cloudy. High 93°, low 75°.
0.26
Chambersburg, Wednesday, 12 August
Rain. High 87°, low 68°.
1.32Chambersburg, Thursday, 13 August
Heavy rain. High 87°, low 66°.
0.43Chambersburg, Friday, 14 August
Rain. High 70°, low 65°.
0.02Chambersburg, Saturday, 15 August
Light rain. High 74°, low 62°.
0.14Chambersburg, Sunday, 16 August
Light rain. High 83°, low 63°.
0.02Chambersburg, Monday, 17 August
Light rain. High 82°, low 68°.
0
Chambersburg, Tuesday, 18 August
Overcast. High 86°, low 66°.
0Chambersburg, Wednesday, 19 August
Overcast. High 88°, low 68°.
0Chambersburg, Thursday, 20 August
Clear. High 78°, low 58°.
0Chambersburg, Friday, 21 August
Overcast. High 77°, low 58°.
0.04Chambersburg, Saturday, 22 August
Light rain. High 87°, low 63°.
0.01Chambersburg, Sunday, 23 August
Light rain. High 92°, low 73°.
0.05Chambersburg, Monday, 24 August
Light rain. High 90°, low 71°.
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, IN 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, IN 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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