Weather in Allerton, MA
Allerton, Thursday, 15 October, 17:10
Mostly clear. Feels like 57°. High 59°, low 51°.
Monthly outlook for Allerton, MA: average high 58.7°, average low 47.7°. That is 0.1° above the climate normal for October. Precipitation is expected on 1 day (about 0.4 inches), against a normal of 5 days and 2.2 inches. The warmest day looks like 30 October (70.5°), the coolest 18 October (40.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 October – 24 October | 57.2° | 59.7° | -1.4° |
| 25 October – 3 November | 61.2° | 56.4° | +2.7° |
| 4 November – 13 November | at normal | 52.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Winthrop (7 mi).
0.43
Allerton, Friday, 16 October
Heavy rain. High 67°, low 49°.
0
Allerton, Saturday, 17 October
Overcast. High 63°, low 45°.
0
Allerton, Sunday, 18 October
Clear. High 52°, low 41°.
0Allerton, Monday, 19 October
Overcast. High 54°, low 46°.
0
Allerton, Tuesday, 20 October
Partly cloudy. High 57°, low 50°.
0Allerton, Wednesday, 21 October
Partly cloudy. High 54°, low 53°.
0Allerton, Thursday, 22 October
Overcast. High 51°, low 46°.
0Allerton, Friday, 23 October
Clear. High 64°, low 45°.
0Allerton, Saturday, 24 October
Clear. High 52°, low 49°.
0Allerton, Sunday, 25 October
Overcast. High 49°, low 45°.
0Allerton, Monday, 26 October
Clear. High 64°, low 42°.
0Allerton, Tuesday, 27 October
Partly cloudy. High 53°, low 47°.
0Allerton, Wednesday, 28 October
Overcast. High 62°, low 46°.
0Allerton, Thursday, 29 October
Overcast. High 69°, low 51°.
0Allerton, Friday, 30 October
Clear. High 71°, low 57°.
0.09Allerton, Saturday, 31 October
Climate normal for this date — 60-year average.
0.11Allerton, Sunday, 1 November
Climate normal for this date — 60-year average.
0.1Allerton, Monday, 2 November
Climate normal for this date — 60-year average.
0.21
Allerton, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.05Allerton, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.17Allerton, Thursday, 5 November
Climate normal for this date — 60-year average.
0.13Allerton, Friday, 6 November
Climate normal for this date — 60-year average.
0.05Allerton, Saturday, 7 November
Climate normal for this date — 60-year average.
0.11Allerton, Sunday, 8 November
Climate normal for this date — 60-year average.
0.11Allerton, Monday, 9 November
Climate normal for this date — 60-year average.
0.16Allerton, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.13Allerton, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.14Allerton, Thursday, 12 November
Climate normal for this date — 60-year average.
0.17Allerton, Friday, 13 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 Allerton, MA 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 Allerton, MA 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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