Weather in South Bellingham, MA
South Bellingham, Sunday, 9 August, 10:20
Clear. Feels like 90°. High 89°, low 69°.
Monthly outlook for South Bellingham, MA: average high 81.8°, average low 61.5°. That is 1.1° above the climate normal for August. Precipitation is expected on 5 days (about 1.5 inches), against a normal of 5 days and 2.0 inches. The warmest day looks like 9 August (88.9°), the coolest 16 August (54.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 81.8° | 80.6° | +0.7° |
| 19 August – 28 August | 81.6° | 78.7° | +1.6° |
| 29 August – 7 September | at normal | 77° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Harrisville (11 mi).
0South Bellingham, Monday, 10 August
Clear. High 88°, low 67°.
0
South Bellingham, Tuesday, 11 August
Overcast. High 88°, low 66°.
0South Bellingham, Wednesday, 12 August
Overcast. High 87°, low 62°.
0.15
South Bellingham, Thursday, 13 August
Light rain. High 84°, low 61°.
0South Bellingham, Friday, 14 August
Clear. High 77°, low 58°.
0South Bellingham, Saturday, 15 August
Clear. High 77°, low 56°.
0
South Bellingham, Sunday, 16 August
Mostly clear. High 81°, low 54°.
0.5South Bellingham, Monday, 17 August
Rain. High 68°, low 61°.
0.38South Bellingham, Tuesday, 18 August
Rain. High 80°, low 61°.
0South Bellingham, Wednesday, 19 August
Overcast. High 79°, low 62°.
0.2South Bellingham, Thursday, 20 August
Light rain. High 78°, low 64°.
0
South Bellingham, Friday, 21 August
Partly cloudy. High 81°, low 60°.
0South Bellingham, Saturday, 22 August
Clear. High 87°, low 61°.
0.23South Bellingham, Sunday, 23 August
Rain. High 88°, low 67°.
0South Bellingham, Monday, 24 August
Clear. High 77°, low 56°.
0.08South Bellingham, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.08South Bellingham, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.11
South Bellingham, Thursday, 27 August
Climate normal for this date — 60-year average.
0.14South Bellingham, Friday, 28 August
Climate normal for this date — 60-year average.
0.18South Bellingham, Saturday, 29 August
Climate normal for this date — 60-year average.
0.12South Bellingham, Sunday, 30 August
Climate normal for this date — 60-year average.
0.07South Bellingham, Monday, 31 August
Climate normal for this date — 60-year average.
0.07South Bellingham, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.17South Bellingham, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.13South Bellingham, Thursday, 3 September
Climate normal for this date — 60-year average.
0.11South Bellingham, Friday, 4 September
Climate normal for this date — 60-year average.
0.06South Bellingham, Saturday, 5 September
Climate normal for this date — 60-year average.
0.14South Bellingham, Sunday, 6 September
Climate normal for this date — 60-year average.
0.12South Bellingham, 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 South Bellingham, 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 South Bellingham, 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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