Weather in South Branch, NJ
South Branch, Sunday, 9 August, 08:02
Partly cloudy. Feels like 76°. High 88°, low 73°.
Monthly outlook for South Branch, NJ: average high 86.8°, average low 65.3°. That is 2.4° above the climate normal for August. Precipitation is expected on 5 days (about 0.6 inches), against a normal of 5 days and 2.3 inches. The warmest day looks like 23 August (96°), the coolest 15 August (54.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 83.2° | 83.3° | -0° |
| 19 August – 28 August | 92.8° | 81.7° | +6.2° |
| 29 August – 7 September | at normal | 80.3° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Franklin Park (11 mi).
0.07
South Branch, Monday, 10 August
Rain. High 88°, low 71°.
0.25South Branch, Tuesday, 11 August
Rain. High 88°, low 70°.
0
South Branch, Wednesday, 12 August
Overcast. High 83°, low 69°.
0.01South Branch, Thursday, 13 August
Light rain. High 83°, low 65°.
0
South Branch, Friday, 14 August
Clear. High 77°, low 56°.
0South Branch, Saturday, 15 August
Clear. High 78°, low 54°.
0South Branch, Sunday, 16 August
Overcast. High 80°, low 55°.
0South Branch, Monday, 17 August
Light rain. High 81°, low 60°.
0South Branch, Tuesday, 18 August
Overcast. High 86°, low 61°.
0South Branch, Wednesday, 19 August
Overcast. High 89°, low 64°.
0
South Branch, Thursday, 20 August
Mostly clear. High 91°, low 64°.
0.04South Branch, Friday, 21 August
Light rain. High 94°, low 69°.
0South Branch, Saturday, 22 August
Mostly clear. High 93°, low 73°.
0South Branch, Sunday, 23 August
Clear. High 96°, low 69°.
0.16South Branch, Monday, 24 August
Light rain. High 94°, low 73°.
0.07South Branch, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.08South Branch, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.15
South Branch, Thursday, 27 August
Climate normal for this date — 60-year average.
0.22South Branch, Friday, 28 August
Climate normal for this date — 60-year average.
0.12South Branch, Saturday, 29 August
Climate normal for this date — 60-year average.
0.07South Branch, Sunday, 30 August
Climate normal for this date — 60-year average.
0.07South Branch, Monday, 31 August
Climate normal for this date — 60-year average.
0.13South Branch, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.15South Branch, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.13South Branch, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09South Branch, Friday, 4 September
Climate normal for this date — 60-year average.
0.06South Branch, Saturday, 5 September
Climate normal for this date — 60-year average.
0.2South Branch, Sunday, 6 September
Climate normal for this date — 60-year average.
0.11South Branch, 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 Branch, 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 Branch, 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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