Weather in Brattle, MA
Brattle, Saturday, 10 October, 06:31
Partly cloudy. Feels like 45°. High 62°, low 44°.
Monthly outlook for Brattle, MA: average high 59.3°, average low 46.5°. That is 0.7° below the climate normal for October. Precipitation is expected on 8 days (about 3.5 inches), against a normal of 5 days and 1.9 inches. The warmest day looks like 14 October (72.8°), the coolest 20 October (37.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 10 October – 19 October | 61.6° | 61.1° | +0.3° |
| 20 October – 29 October | 55.4° | 58.2° | -1.6° |
| 30 October – 8 November | at normal | 55° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Arlington (0 mi).
0.03
Brattle, Sunday, 11 October
Light rain. High 64°, low 41°.
0.41Brattle, Monday, 12 October
Rain. High 69°, low 54°.
0.07Brattle, Tuesday, 13 October
Light rain. High 63°, low 53°.
0.06Brattle, Wednesday, 14 October
Light rain. High 73°, low 56°.
0
Brattle, Thursday, 15 October
Mostly clear. High 55°, low 47°.
0.11Brattle, Friday, 16 October
Light rain. High 60°, low 46°.
1.36Brattle, Saturday, 17 October
Heavy rain. High 64°, low 62°.
0.75Brattle, Sunday, 18 October
Rain. High 60°, low 51°.
0.17Brattle, Monday, 19 October
Light rain. High 48°, low 42°.
0
Brattle, Tuesday, 20 October
Clear. High 55°, low 38°.
0
Brattle, Wednesday, 21 October
Overcast. High 57°, low 40°.
0Brattle, Thursday, 22 October
Clear. High 57°, low 41°.
0Brattle, Friday, 23 October
Clear. High 57°, low 41°.
0Brattle, Saturday, 24 October
Clear. High 58°, low 42°.
0.54Brattle, Sunday, 25 October
Rain. High 49°, low 45°.
0.15
Brattle, Monday, 26 October
Climate normal for this date — 60-year average.
0.13Brattle, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.11
Brattle, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.14Brattle, Thursday, 29 October
Climate normal for this date — 60-year average.
0.16Brattle, Friday, 30 October
Climate normal for this date — 60-year average.
0.09Brattle, Saturday, 31 October
Climate normal for this date — 60-year average.
0.11Brattle, Sunday, 1 November
Climate normal for this date — 60-year average.
0.09Brattle, Monday, 2 November
Climate normal for this date — 60-year average.
0.19Brattle, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.04Brattle, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.15Brattle, Thursday, 5 November
Climate normal for this date — 60-year average.
0.12Brattle, Friday, 6 November
Climate normal for this date — 60-year average.
0.05Brattle, Saturday, 7 November
Climate normal for this date — 60-year average.
0.09Brattle, Sunday, 8 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 Brattle, 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 Brattle, 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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