Weather in Bolton, MA
Bolton, Sunday, 11 October, 22:38
Rain. Feels like 49°. High 55°, low 40°.
Monthly outlook for Bolton, MA: average high 57.6°, average low 43.1°. That is 0.8° below the climate normal for October. Precipitation is expected on 7 days (about 3.9 inches), against a normal of 5 days and 2.0 inches. The warmest day looks like 12 October (69.9°), the coolest 18 October (29.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 11 October – 20 October | 58.2° | 59.8° | -0.9° |
| 21 October – 30 October | 56.6° | 56.5° | +0.1° |
| 31 October – 9 November | at normal | 53.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Leominster (10 mi).
0.29Bolton, Monday, 12 October
Rain. High 70°, low 44°.
0.11Bolton, Tuesday, 13 October
Light rain. High 57°, low 46°.
0
Bolton, Wednesday, 14 October
Overcast. High 62°, low 50°.
0Bolton, Thursday, 15 October
Overcast. High 59°, low 45°.
0.68Bolton, Friday, 16 October
Rain. High 58°, low 45°.
0
Bolton, Saturday, 17 October
Clear. High 45°, low 32°.
0Bolton, Sunday, 18 October
Overcast. High 49°, low 29°.
0
Bolton, Monday, 19 October
Mostly clear. High 60°, low 39°.
0Bolton, Tuesday, 20 October
Mostly clear. High 66°, low 45°.
0Bolton, Wednesday, 21 October
Mostly clear. High 61°, low 44°.
0Bolton, Thursday, 22 October
Overcast. High 55°, low 46°.
1.16Bolton, Friday, 23 October
Rain. High 59°, low 44°.
0.64Bolton, Saturday, 24 October
Rain. High 60°, low 50°.
0.12Bolton, Sunday, 25 October
Light rain. High 53°, low 46°.
0
Bolton, Monday, 26 October
Partly cloudy. High 51°, low 43°.
0.13Bolton, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.14
Bolton, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.15Bolton, Thursday, 29 October
Climate normal for this date — 60-year average.
0.16Bolton, Friday, 30 October
Climate normal for this date — 60-year average.
0.09Bolton, Saturday, 31 October
Climate normal for this date — 60-year average.
0.12Bolton, Sunday, 1 November
Climate normal for this date — 60-year average.
0.09Bolton, Monday, 2 November
Climate normal for this date — 60-year average.
0.17Bolton, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.05Bolton, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.15Bolton, Thursday, 5 November
Climate normal for this date — 60-year average.
0.13Bolton, Friday, 6 November
Climate normal for this date — 60-year average.
0.06Bolton, Saturday, 7 November
Climate normal for this date — 60-year average.
0.1Bolton, Sunday, 8 November
Climate normal for this date — 60-year average.
0.1Bolton, Monday, 9 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 Bolton, 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 Bolton, 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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