Weather in South River, NJ
South River, Sunday, 9 August, 02:05
Mostly clear. Feels like 75°. High 91°, low 74°.
Monthly outlook for South River, NJ: average high 84.4°, average low 67.9°. That is 1.1° above the climate normal for August. Precipitation is expected on 4 days (about 1.5 inches), against a normal of 5 days and 2.3 inches. The warmest day looks like 10 August (95.1°), the coolest 22 August (60.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 85.8° | 83.2° | +1.5° |
| 19 August – 28 August | 82° | 81.6° | +0.2° |
| 29 August – 7 September | at normal | 80.2° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — East Franklin (6 mi).
0
South River, Monday, 10 August
Mostly clear. High 95°, low 73°.
0
South River, Tuesday, 11 August
Overcast. High 94°, low 76°.
0.02
South River, Wednesday, 12 August
Light rain. High 86°, low 76°.
0.02South River, Thursday, 13 August
Light rain. High 87°, low 71°.
0
South River, Friday, 14 August
Clear. High 81°, low 63°.
0South River, Saturday, 15 August
Clear. High 83°, low 65°.
0
South River, Sunday, 16 August
Partly cloudy. High 84°, low 64°.
0.09South River, Monday, 17 August
Light rain. High 85°, low 64°.
0.14South River, Tuesday, 18 August
Light rain. High 73°, low 66°.
0South River, Wednesday, 19 August
Overcast. High 80°, low 68°.
1.13South River, Thursday, 20 August
Heavy rain. High 81°, low 68°.
0South River, Friday, 21 August
Clear. High 80°, low 65°.
0South River, Saturday, 22 August
Clear. High 81°, low 60°.
0.01South River, Sunday, 23 August
Light rain. High 83°, low 64°.
0.02South River, Monday, 24 August
Light rain. High 88°, low 70°.
0.07South River, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.08South River, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.15
South River, Thursday, 27 August
Climate normal for this date — 60-year average.
0.22South River, Friday, 28 August
Climate normal for this date — 60-year average.
0.13South River, Saturday, 29 August
Climate normal for this date — 60-year average.
0.07South River, Sunday, 30 August
Climate normal for this date — 60-year average.
0.07South River, Monday, 31 August
Climate normal for this date — 60-year average.
0.13South River, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.15South River, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.13South River, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09South River, Friday, 4 September
Climate normal for this date — 60-year average.
0.06South River, Saturday, 5 September
Climate normal for this date — 60-year average.
0.2South River, Sunday, 6 September
Climate normal for this date — 60-year average.
0.11South River, 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 River, 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 River, 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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