Weather in East Acton, MA
East Acton, Sunday, 9 August, 03:31
Clear. Feels like 70°. High 92°, low 70°.
Monthly outlook for East Acton, MA: average high 85.2°, average low 62.8°. That is 3.2° above the climate normal for August. Precipitation is expected on 2 days (about 0.2 inches), against a normal of 5 days and 1.7 inches. The warmest day looks like 22 August (94.5°), the coolest 15 August (54.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 83.8° | 80.2° | +2° |
| 19 August – 28 August | 87.6° | 78.3° | +5.2° |
| 29 August – 7 September | at normal | 76.4° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Belmont (13 mi).
0.03
East Acton, Monday, 10 August
Light rain. High 90°, low 68°.
0.05East Acton, Tuesday, 11 August
Light rain. High 89°, low 66°.
0
East Acton, Wednesday, 12 August
Overcast. High 86°, low 64°.
0.01East Acton, Thursday, 13 August
Light rain. High 81°, low 62°.
0
East Acton, Friday, 14 August
Clear. High 75°, low 56°.
0East Acton, Saturday, 15 August
Clear. High 78°, low 55°.
0East Acton, Sunday, 16 August
Overcast. High 81°, low 57°.
0.02East Acton, Monday, 17 August
Light rain. High 83°, low 61°.
0East Acton, Tuesday, 18 August
Clear. High 84°, low 57°.
0East Acton, Wednesday, 19 August
Overcast. High 83°, low 59°.
0East Acton, Thursday, 20 August
Overcast. High 89°, low 62°.
0.07East Acton, Friday, 21 August
Light rain. High 92°, low 69°.
0East Acton, Saturday, 22 August
Overcast. High 95°, low 71°.
0East Acton, Sunday, 23 August
Clear. High 90°, low 65°.
0.02East Acton, Monday, 24 August
Light rain. High 78°, low 64°.
0.11
East Acton, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.06
East Acton, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.09
East Acton, Thursday, 27 August
Climate normal for this date — 60-year average.
0.12East Acton, Friday, 28 August
Climate normal for this date — 60-year average.
0.17East Acton, Saturday, 29 August
Climate normal for this date — 60-year average.
0.13East Acton, Sunday, 30 August
Climate normal for this date — 60-year average.
0.08East Acton, Monday, 31 August
Climate normal for this date — 60-year average.
0.06East Acton, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.15East Acton, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.12East Acton, Thursday, 3 September
Climate normal for this date — 60-year average.
0.11East Acton, Friday, 4 September
Climate normal for this date — 60-year average.
0.07East Acton, Saturday, 5 September
Climate normal for this date — 60-year average.
0.15East Acton, Sunday, 6 September
Climate normal for this date — 60-year average.
0.11East Acton, Monday, 7 September
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 East Acton, 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 East Acton, 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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