Weather in South Penns Grove, NJ
South Penns Grove, Sunday, 9 August, 12:01
Partly cloudy. Feels like 101°. High 88°, low 73°.
Monthly outlook for South Penns Grove, NJ: average high 83.1°, average low 66.8°. That is 0.4° above the climate normal for August. Precipitation is expected on 3 days (about 0.2 inches), against a normal of 6 days and 2.1 inches. The warmest day looks like 10 August (89.2°), the coolest 15 August (59.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 82° | 83.1° | -0.6° |
| 19 August – 28 August | 84.8° | 81.8° | +1.7° |
| 29 August – 7 September | at normal | 80.6° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Bellefonte (4 mi).
0
South Penns Grove, Monday, 10 August
Clear. High 89°, low 73°.
0.04
South Penns Grove, Tuesday, 11 August
Light rain. High 88°, low 72°.
0.01South Penns Grove, Wednesday, 12 August
Light rain. High 86°, low 71°.
0.01South Penns Grove, Thursday, 13 August
Light rain. High 85°, low 71°.
0
South Penns Grove, Friday, 14 August
Overcast. High 73°, low 62°.
0South Penns Grove, Saturday, 15 August
Overcast. High 77°, low 59°.
0South Penns Grove, Sunday, 16 August
Overcast. High 77°, low 60°.
0.11South Penns Grove, Monday, 17 August
Light rain. High 73°, low 64°.
0South Penns Grove, Tuesday, 18 August
Overcast. High 84°, low 62°.
0.06South Penns Grove, Wednesday, 19 August
Light rain. High 81°, low 65°.
0
South Penns Grove, Thursday, 20 August
Mostly clear. High 86°, low 69°.
0South Penns Grove, Friday, 21 August
Mostly clear. High 83°, low 64°.
0South Penns Grove, Saturday, 22 August
Clear. High 89°, low 66°.
0South Penns Grove, Sunday, 23 August
Clear. High 88°, low 74°.
0South Penns Grove, Monday, 24 August
Clear. High 82°, low 65°.
0.06South Penns Grove, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.06South Penns Grove, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.17
South Penns Grove, Thursday, 27 August
Climate normal for this date — 60-year average.
0.24South Penns Grove, Friday, 28 August
Climate normal for this date — 60-year average.
0.12South Penns Grove, Saturday, 29 August
Climate normal for this date — 60-year average.
0.08South Penns Grove, Sunday, 30 August
Climate normal for this date — 60-year average.
0.07South Penns Grove, Monday, 31 August
Climate normal for this date — 60-year average.
0.14South Penns Grove, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.11South Penns Grove, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.13South Penns Grove, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09South Penns Grove, Friday, 4 September
Climate normal for this date — 60-year average.
0.11South Penns Grove, Saturday, 5 September
Climate normal for this date — 60-year average.
0.23South Penns Grove, Sunday, 6 September
Climate normal for this date — 60-year average.
0.11South Penns Grove, 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 Penns Grove, NJ 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 Penns Grove, NJ 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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