Weather in North Sudbury, MA
North Sudbury, Sunday, 9 August, 09:23
Clear. Feels like 85°. High 90°, low 69°.
Monthly outlook for North Sudbury, MA: average high 81.9°, average low 61.4°. That is 1.4° above the climate normal for August. Precipitation is expected on 5 days (about 1.6 inches), against a normal of 5 days and 1.7 inches. The warmest day looks like 10 August (90.4°), the coolest 16 August (55.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 82.2° | 80.2° | +1.1° |
| 19 August – 28 August | 81.4° | 78.3° | +1.7° |
| 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 (11 mi).
0
North Sudbury, Monday, 10 August
Mostly clear. High 90°, low 68°.
0
North Sudbury, Tuesday, 11 August
Overcast. High 89°, low 66°.
0
North Sudbury, Wednesday, 12 August
Partly cloudy. High 86°, low 62°.
0.22
North Sudbury, Thursday, 13 August
Rain. High 84°, low 62°.
0North Sudbury, Friday, 14 August
Clear. High 77°, low 56°.
0North Sudbury, Saturday, 15 August
Clear. High 78°, low 56°.
0North Sudbury, Sunday, 16 August
Overcast. High 81°, low 56°.
0.31North Sudbury, Monday, 17 August
Rain. High 66°, low 61°.
0.35North Sudbury, Tuesday, 18 August
Rain. High 80°, low 60°.
0North Sudbury, Wednesday, 19 August
Overcast. High 79°, low 61°.
0.15North Sudbury, Thursday, 20 August
Light rain. High 81°, low 63°.
0North Sudbury, Friday, 21 August
Overcast. High 82°, low 60°.
0North Sudbury, Saturday, 22 August
Clear. High 87°, low 60°.
0.61North Sudbury, Sunday, 23 August
Rain. High 84°, low 66°.
0North Sudbury, Monday, 24 August
Clear. High 77°, low 56°.
0.11North Sudbury, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.06North Sudbury, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.09
North Sudbury, Thursday, 27 August
Climate normal for this date — 60-year average.
0.12North Sudbury, Friday, 28 August
Climate normal for this date — 60-year average.
0.17North Sudbury, Saturday, 29 August
Climate normal for this date — 60-year average.
0.13North Sudbury, Sunday, 30 August
Climate normal for this date — 60-year average.
0.08North Sudbury, Monday, 31 August
Climate normal for this date — 60-year average.
0.06North Sudbury, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.15North Sudbury, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.12North Sudbury, Thursday, 3 September
Climate normal for this date — 60-year average.
0.11North Sudbury, Friday, 4 September
Climate normal for this date — 60-year average.
0.07North Sudbury, Saturday, 5 September
Climate normal for this date — 60-year average.
0.15North Sudbury, Sunday, 6 September
Climate normal for this date — 60-year average.
0.11North Sudbury, 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 North Sudbury, 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 North Sudbury, 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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