Weather in Chelsea, PA
Chelsea, Sunday, 25 October, 23:28
Clear. Feels like 49°. High 65°, low 35°.
Monthly outlook for Chelsea, PA: average high 58.9°, average low 44.1°. That is 0.3° below the climate normal for October. Precipitation is expected on 4 days (about 0.6 inches), against a normal of 4 days and 1.8 inches. The warmest day looks like 30 October (73°), the coolest 25 October (34.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 25 October – 3 November | 64.5° | 60.5° | +2.2° |
| 4 November – 13 November | 49.5° | 56.2° | -3.8° |
| 14 November – 23 November | at normal | 52.1° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Linwood (4 mi).
0
Chelsea, Monday, 26 October
Clear. High 69°, low 39°.
0Chelsea, Tuesday, 27 October
Clear. High 65°, low 45°.
0Chelsea, Wednesday, 28 October
Clear. High 63°, low 44°.
0
Chelsea, Thursday, 29 October
Overcast. High 67°, low 50°.
0Chelsea, Friday, 30 October
Clear. High 73°, low 53°.
0Chelsea, Saturday, 31 October
Overcast. High 63°, low 49°.
0Chelsea, Sunday, 1 November
Overcast. High 61°, low 48°.
0.4
Chelsea, Monday, 2 November
Rain. High 59°, low 54°.
0.07Chelsea, Tuesday, 3 November
Light rain. High 60°, low 51°.
0.01Chelsea, Wednesday, 4 November
Light rain. High 49°, low 46°.
0Chelsea, Thursday, 5 November
Overcast. High 48°, low 40°.
0Chelsea, Friday, 6 November
Clear. High 49°, low 37°.
0Chelsea, Saturday, 7 November
Clear. High 53°, low 38°.
0.07Chelsea, Sunday, 8 November
Light rain. High 49°, low 41°.
0.06Chelsea, Monday, 9 November
Light rain. High 50°, low 36°.
0.16
Chelsea, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.13
Chelsea, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.2Chelsea, Thursday, 12 November
Climate normal for this date — 60-year average.
0.14Chelsea, Friday, 13 November
Climate normal for this date — 60-year average.
0.07
Chelsea, Saturday, 14 November
Climate normal for this date — 60-year average.
0.11Chelsea, Sunday, 15 November
Climate normal for this date — 60-year average.
0.13Chelsea, Monday, 16 November
Climate normal for this date — 60-year average.
0.09Chelsea, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.06Chelsea, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.09Chelsea, Thursday, 19 November
Climate normal for this date — 60-year average.
0.07Chelsea, Friday, 20 November
Climate normal for this date — 60-year average.
0.1Chelsea, Saturday, 21 November
Climate normal for this date — 60-year average.
0.11Chelsea, Sunday, 22 November
Climate normal for this date — 60-year average.
0.08Chelsea, Monday, 23 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 Chelsea, 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 Chelsea, 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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