Weather in West Derry, PA
West Derry, Saturday, 24 October, 08:58
Clear. Feels like 41°. High 62°, low 37°.
0West Derry, Sunday, 25 October
Clear. High 63°, low 33°.
0West Derry, Monday, 26 October
Clear. High 63°, low 37°.
0West Derry, Tuesday, 27 October
Clear. High 62°, low 45°.
0
West Derry, Wednesday, 28 October
Overcast. High 65°, low 46°.
0West Derry, Thursday, 29 October
Clear. High 67°, low 43°.
0
West Derry, Friday, 30 October
Mostly clear. High 67°, low 48°.
0.01
West Derry, Saturday, 31 October
Light rain. High 68°, low 51°.
0.07West Derry, Sunday, 1 November
Light rain. High 59°, low 51°.
0.1West Derry, Monday, 2 November
Light rain. High 56°, low 54°.
0.12West Derry, Tuesday, 3 November
Light rain. High 59°, low 52°.
0.25West Derry, Wednesday, 4 November
Light rain. High 61°, low 55°.
0.5West Derry, Thursday, 5 November
Rain. High 58°, low 41°.
0.26
West Derry, Friday, 6 November
Snow. High 37°, low 31°.
0.06West Derry, Saturday, 7 November
Light snow. High 39°, low 25°.
0West Derry, Sunday, 8 November
Overcast. High 45°, low 24°.
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 West Derry, 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 West Derry, 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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