Weather in Deerfield, PA
Deerfield, Friday, 23 October, 22:56
Overcast. Feels like 43°. High 58°, low 37°.
Monthly outlook for Deerfield, PA: average high 56.2°, average low 37.7°. That is 1.5° above the climate normal for October. Precipitation is expected on 3 days (about 0.3 inches), against a normal of 5 days and 1.5 inches. The warmest day looks like 30 October (67.8°), the coolest 5 November (29.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 23 October – 1 November | 59.3° | 54.3° | +2.8° |
| 2 November – 11 November | 51° | 50.6° | +0.2° |
| 12 November – 21 November | at normal | 45.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Nelson (9 mi).
0
Deerfield, Saturday, 24 October
Clear. High 59°, low 35°.
0Deerfield, Sunday, 25 October
Clear. High 61°, low 34°.
0Deerfield, Monday, 26 October
Clear. High 64°, low 41°.
0
Deerfield, Tuesday, 27 October
Partly cloudy. High 48°, low 35°.
0Deerfield, Wednesday, 28 October
Overcast. High 55°, low 31°.
0Deerfield, Thursday, 29 October
Clear. High 65°, low 43°.
0Deerfield, Friday, 30 October
Overcast. High 68°, low 49°.
0
Deerfield, Saturday, 31 October
Mostly clear. High 61°, low 43°.
0Deerfield, Sunday, 1 November
Overcast. High 55°, low 41°.
0.11
Deerfield, Monday, 2 November
Light rain. High 53°, low 39°.
0.07Deerfield, Tuesday, 3 November
Light rain. High 52°, low 35°.
0.04
Deerfield, Wednesday, 4 November
Snow. High 41°, low 31°.
0Deerfield, Thursday, 5 November
Overcast. High 54°, low 29°.
0Deerfield, Friday, 6 November
Mostly clear. High 52°, low 36°.
0.03Deerfield, Saturday, 7 November
Light rain. High 54°, low 43°.
0.11Deerfield, Sunday, 8 November
Climate normal for this date — 60-year average.
0.09
Deerfield, 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.
0.11Deerfield, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.07Deerfield, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.09Deerfield, Thursday, 19 November
Climate normal for this date — 60-year average.
0.09Deerfield, Friday, 20 November
Climate normal for this date — 60-year average.
0.07Deerfield, Saturday, 21 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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