Weather in Swarthmore, PA
Swarthmore, Tuesday, 10 November, 22:56
Clear. Feels like 49°. High 65°, low 42°.
Monthly outlook for Swarthmore, PA: average high 52.4°, average low 40.8°. That is 0° below the climate normal for November. Precipitation is expected on 3 days (about 2.0 inches), against a normal of 5 days and 1.8 inches. The warmest day looks like 10 November (65°), the coolest 25 November (30.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 10 November – 19 November | 53.9° | 53.5° | +0.2° |
| 20 November – 29 November | 50.1° | 51° | -0.5° |
| 30 November – 9 December | at normal | 46.6° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Rutledge (1 mi).
0
Swarthmore, Wednesday, 11 November
Clear. High 64°, low 45°.
0.44
Swarthmore, Thursday, 12 November
Rain. High 61°, low 48°.
0.03Swarthmore, Friday, 13 November
Light rain. High 49°, low 40°.
0Swarthmore, Saturday, 14 November
Clear. High 45°, low 37°.
0Swarthmore, Sunday, 15 November
Clear. High 50°, low 37°.
0
Swarthmore, Monday, 16 November
Partly cloudy. High 49°, low 37°.
0
Swarthmore, Tuesday, 17 November
Overcast. High 50°, low 40°.
0.01Swarthmore, Wednesday, 18 November
Light rain. High 51°, low 44°.
0Swarthmore, Thursday, 19 November
Clear. High 54°, low 40°.
0Swarthmore, Friday, 20 November
Overcast. High 54°, low 42°.
0Swarthmore, Saturday, 21 November
Partly cloudy. High 58°, low 44°.
0.99Swarthmore, Sunday, 22 November
Heavy rain. High 57°, low 48°.
0Swarthmore, Monday, 23 November
Clear. High 52°, low 43°.
0.51
Swarthmore, Tuesday, 24 November
Snow. High 42°, low 34°.
0Swarthmore, Wednesday, 25 November
Overcast. High 37°, low 31°.
0.18
Swarthmore, Thursday, 26 November
Climate normal for this date — 60-year average.
0.1Swarthmore, Friday, 27 November
Climate normal for this date — 60-year average.
0.14Swarthmore, Saturday, 28 November
Climate normal for this date — 60-year average.
0.13Swarthmore, Sunday, 29 November
Climate normal for this date — 60-year average.
0.11Swarthmore, Monday, 30 November
Climate normal for this date — 60-year average.
0.12Swarthmore, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.11Swarthmore, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.12Swarthmore, Thursday, 3 December
Climate normal for this date — 60-year average.
0.11Swarthmore, Friday, 4 December
Climate normal for this date — 60-year average.
0.17Swarthmore, Saturday, 5 December
Climate normal for this date — 60-year average.
0.13Swarthmore, Sunday, 6 December
Climate normal for this date — 60-year average.
0.11Swarthmore, Monday, 7 December
Climate normal for this date — 60-year average.
0.11Swarthmore, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.22Swarthmore, Wednesday, 9 December
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 Swarthmore, 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 Swarthmore, 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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