Weather in Deerfield, PA
Deerfield, Sunday, 18 October, 12:13
Clear. Feels like 53°. High 56°, low 31°.
Monthly outlook for Deerfield, PA: average high 58.2°, average low 39.3°. That is 1.8° above the climate normal for October. Precipitation is expected on 3 days (about 0.7 inches), against a normal of 5 days and 1.8 inches. The warmest day looks like 30 October (69.2°), the coolest 24 October (29.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 18 October – 27 October | 56° | 55.9° | +0.1° |
| 28 October – 6 November | 61.8° | 52.8° | +5° |
| 7 November – 16 November | at normal | 47.4° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Nelson (9 mi).
0Deerfield, Monday, 19 October
Clear. High 62°, low 37°.
0Deerfield, Tuesday, 20 October
Clear. High 58°, low 40°.
0Deerfield, Wednesday, 21 October
Clear. High 56°, low 35°.
0.01
Deerfield, Thursday, 22 October
Light rain. High 55°, low 39°.
0
Deerfield, Friday, 23 October
Partly cloudy. High 47°, low 32°.
0Deerfield, Saturday, 24 October
Clear. High 54°, low 30°.
0
Deerfield, Sunday, 25 October
Overcast. High 60°, low 37°.
0Deerfield, Monday, 26 October
Overcast. High 57°, low 37°.
0Deerfield, Tuesday, 27 October
Overcast. High 55°, low 37°.
0Deerfield, Wednesday, 28 October
Overcast. High 59°, low 36°.
0.16Deerfield, Thursday, 29 October
Light rain. High 56°, low 50°.
0Deerfield, Friday, 30 October
Light rain. High 69°, low 55°.
0.37Deerfield, Saturday, 31 October
Rain. High 67°, low 52°.
0.12Deerfield, Sunday, 1 November
Light rain. High 64°, low 42°.
0Deerfield, Monday, 2 November
Clear. High 56°, low 38°.
0.06
Deerfield, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.1Deerfield, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.08Deerfield, Thursday, 5 November
Climate normal for this date — 60-year average.
0.08Deerfield, Friday, 6 November
Climate normal for this date — 60-year average.
0.08Deerfield, Saturday, 7 November
Climate normal for this date — 60-year average.
0.11Deerfield, Sunday, 8 November
Climate normal for this date — 60-year average.
0.09Deerfield, Monday, 9 November
Climate normal for this date — 60-year average.
0.12Deerfield, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.12Deerfield, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.15Deerfield, Thursday, 12 November
Climate normal for this date — 60-year average.
0.06Deerfield, Friday, 13 November
Climate normal for this date — 60-year average.
0.11Deerfield, Saturday, 14 November
Climate normal for this date — 60-year average.
0.12Deerfield, Sunday, 15 November
Climate normal for this date — 60-year average.
0.13Deerfield, Monday, 16 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 Deerfield, 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 Deerfield, 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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