Weather in West Derry, PA
West Derry, Wednesday, 28 October, 19:23
Clear. Feels like 59°. High 67°, low 44°.
0
West Derry, Thursday, 29 October
Clear. High 72°, low 46°.
0.06
West Derry, Friday, 30 October
Rain. High 61°, low 46°.
0
West Derry, Saturday, 31 October
Overcast. High 55°, low 40°.
0West Derry, Sunday, 1 November
Clear. High 66°, low 49°.
0West Derry, Monday, 2 November
Clear. High 68°, low 47°.
0West Derry, Tuesday, 3 November
Overcast. High 63°, low 49°.
0.02West Derry, Wednesday, 4 November
Light rain. High 58°, low 53°.
0.43West Derry, Thursday, 5 November
Rain. High 61°, low 56°.
0.51West Derry, Friday, 6 November
Rain. High 58°, low 41°.
0West Derry, Saturday, 7 November
Clear. High 48°, low 36°.
0
West Derry, Sunday, 8 November
Mostly clear. High 50°, low 32°.
0.02West Derry, Monday, 9 November
Light rain. High 57°, low 43°.
1.42West Derry, Tuesday, 10 November
Heavy rain. High 53°, low 51°.
0.26
West Derry, Wednesday, 11 November
Snow. High 43°, low 34°.
0.01West Derry, Thursday, 12 November
Light snow. High 39°, low 31°.
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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