Weather in Arlington, MA
Arlington, Wednesday, 28 October, 22:42
Mostly clear. Feels like 40°. High 54°, low 31°.
Monthly outlook for Arlington, MA: average high 58.9°, average low 46°. That is 2.5° above the climate normal for October. Precipitation is expected on 7 days (about 4.3 inches), against a normal of 5 days and 1.8 inches. The warmest day looks like 30 October (70.4°), the coolest 28 October (31.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 28 October – 6 November | 60.1° | 55.7° | +2.5° |
| 7 November – 16 November | 56.7° | 50.8° | +3.3° |
| 17 November – 26 November | at normal | 47° | — |
October records over 66 years
0
Arlington, Thursday, 29 October
Clear. High 68°, low 42°.
0.05
Arlington, Friday, 30 October
Light rain. High 70°, low 47°.
0Arlington, Saturday, 31 October
Clear. High 51°, low 38°.
0Arlington, Sunday, 1 November
Clear. High 56°, low 34°.
0
Arlington, Monday, 2 November
Partly cloudy. High 67°, low 43°.
0
Arlington, Tuesday, 3 November
Overcast. High 64°, low 49°.
0Arlington, Wednesday, 4 November
Overcast. High 53°, low 48°.
0.11Arlington, Thursday, 5 November
Light rain. High 55°, low 48°.
0.42Arlington, Friday, 6 November
Rain. High 63°, low 52°.
0.93Arlington, Saturday, 7 November
Heavy rain. High 64°, low 59°.
1Arlington, Sunday, 8 November
Heavy rain. High 57°, low 53°.
1.24Arlington, Monday, 9 November
Rain. High 53°, low 50°.
0.52Arlington, Tuesday, 10 November
Rain. High 53°, low 52°.
0Arlington, Wednesday, 11 November
Partly cloudy. High 58°, low 47°.
0Arlington, Thursday, 12 November
Overcast. High 57°, low 44°.
0.16
Arlington, Friday, 13 November
Climate normal for this date — 60-year average.
0.13Arlington, Saturday, 14 November
Climate normal for this date — 60-year average.
0.12Arlington, Sunday, 15 November
Climate normal for this date — 60-year average.
0.15Arlington, Monday, 16 November
Climate normal for this date — 60-year average.
0.13Arlington, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.07Arlington, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.05Arlington, Thursday, 19 November
Climate normal for this date — 60-year average.
0.12Arlington, Friday, 20 November
Climate normal for this date — 60-year average.
0.11Arlington, Saturday, 21 November
Climate normal for this date — 60-year average.
0.17Arlington, Sunday, 22 November
Climate normal for this date — 60-year average.
0.13Arlington, Monday, 23 November
Climate normal for this date — 60-year average.
0.07Arlington, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.15Arlington, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.18Arlington, Thursday, 26 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 Arlington, 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 Arlington, 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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