Weather in South Dennis, NJ
South Dennis, Sunday, 9 August, 04:57
Mostly clear. Feels like 78°. High 89°, low 75°.
Monthly outlook for South Dennis, NJ: average high 85.5°, average low 69.2°. That is 3° above the climate normal for August. Precipitation is expected on 5 days (about 0.6 inches), against a normal of 5 days and 2.2 inches. The warmest day looks like 24 August (94.9°), the coolest 16 August (58.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 83.5° | 80.7° | +1.6° |
| 19 August – 28 August | 88.9° | 79.4° | +5.2° |
| 29 August – 7 September | at normal | 78.4° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Sea Isle City (6 mi).
0
South Dennis, Monday, 10 August
Overcast. High 90°, low 73°.
0.01
South Dennis, Tuesday, 11 August
Light rain. High 90°, low 73°.
0.01South Dennis, Wednesday, 12 August
Light rain. High 85°, low 73°.
0.22South Dennis, Thursday, 13 August
Light rain. High 87°, low 71°.
0South Dennis, Friday, 14 August
Overcast. High 77°, low 63°.
0
South Dennis, Saturday, 15 August
Clear. High 79°, low 60°.
0
South Dennis, Sunday, 16 August
Partly cloudy. High 82°, low 59°.
0.1South Dennis, Monday, 17 August
Light rain. High 76°, low 64°.
0.02South Dennis, Tuesday, 18 August
Light rain. High 80°, low 67°.
0
South Dennis, Wednesday, 19 August
Mostly clear. High 82°, low 68°.
0South Dennis, Thursday, 20 August
Clear. High 85°, low 68°.
0.05South Dennis, Friday, 21 August
Light rain. High 87°, low 70°.
0.1South Dennis, Saturday, 22 August
Light rain. High 91°, low 75°.
0South Dennis, Sunday, 23 August
Clear. High 93°, low 74°.
0.04South Dennis, Monday, 24 August
Light rain. High 95°, low 76°.
0.04South Dennis, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.04South Dennis, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.11South Dennis, Thursday, 27 August
Climate normal for this date — 60-year average.
0.2
South Dennis, Friday, 28 August
Climate normal for this date — 60-year average.
0.15South Dennis, Saturday, 29 August
Climate normal for this date — 60-year average.
0.07South Dennis, Sunday, 30 August
Climate normal for this date — 60-year average.
0.05South Dennis, Monday, 31 August
Climate normal for this date — 60-year average.
0.15South Dennis, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.11South Dennis, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.08South Dennis, Thursday, 3 September
Climate normal for this date — 60-year average.
0.12South Dennis, Friday, 4 September
Climate normal for this date — 60-year average.
0.06South Dennis, Saturday, 5 September
Climate normal for this date — 60-year average.
0.16South Dennis, Sunday, 6 September
Climate normal for this date — 60-year average.
0.07South Dennis, 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 Dennis, 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 Dennis, 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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