Weather in Williamsport, PA
Williamsport, Sunday, 15 November, 02:32
Overcast. Feels like 36°. High 45°, low 41°.
Monthly outlook for Williamsport, PA: average high 48.1°, average low 32.8°. That is 2.2° above the climate normal for November. Precipitation is expected on 1 day (about 1.8 inches), against a normal of 6 days and 2.1 inches. The warmest day looks like 28 November (59.6°), the coolest 24 November (20.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 November – 24 November | 50° | 44.9° | +2.8° |
| 25 November – 4 December | 45.1° | 41.8° | +1.8° |
| 5 December – 14 December | at normal | 37.5° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Upper Fairfield (10 mi).
0Williamsport, Monday, 16 November
Overcast. High 50°, low 34°.
0
Williamsport, Tuesday, 17 November
Clear. High 54°, low 31°.
0
Williamsport, Wednesday, 18 November
Mostly clear. High 56°, low 31°.
0Williamsport, Thursday, 19 November
Overcast. High 57°, low 32°.
0Williamsport, Friday, 20 November
Overcast. High 57°, low 42°.
0Williamsport, Saturday, 21 November
Clear. High 56°, low 39°.
0.02
Williamsport, Sunday, 22 November
Light rain. High 50°, low 39°.
0.04
Williamsport, Monday, 23 November
Snow. High 46°, low 25°.
0Williamsport, Tuesday, 24 November
Clear. High 30°, low 21°.
0Williamsport, Wednesday, 25 November
Clear. High 39°, low 22°.
0Williamsport, Thursday, 26 November
Overcast. High 40°, low 23°.
0.02Williamsport, Friday, 27 November
Light rain. High 47°, low 25°.
1.72Williamsport, Saturday, 28 November
Heavy rain. High 60°, low 43°.
0.01Williamsport, Sunday, 29 November
Light rain. High 44°, low 40°.
0Williamsport, Monday, 30 November
Light snow. High 41°, low 39°.
0.17
Williamsport, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.11Williamsport, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.14Williamsport, Thursday, 3 December
Climate normal for this date — 60-year average.
0.1
Williamsport, Friday, 4 December
Climate normal for this date — 60-year average.
0.13Williamsport, Saturday, 5 December
Climate normal for this date — 60-year average.
0.16Williamsport, Sunday, 6 December
Climate normal for this date — 60-year average.
0.1Williamsport, Monday, 7 December
Climate normal for this date — 60-year average.
0.1Williamsport, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.16Williamsport, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.16Williamsport, Thursday, 10 December
Climate normal for this date — 60-year average.
0.17Williamsport, Friday, 11 December
Climate normal for this date — 60-year average.
0.11Williamsport, Saturday, 12 December
Climate normal for this date — 60-year average.
0.16Williamsport, Sunday, 13 December
Climate normal for this date — 60-year average.
0.16Williamsport, Monday, 14 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 Williamsport, 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 Williamsport, 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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