Weather in Royce Valley, NJ
Royce Valley, Sunday, 9 August, 03:15
Clear. Feels like 73°. High 88°, low 72°.
Monthly outlook for Royce Valley, NJ: average high 87.5°, average low 66.4°. That is 2.8° above the climate normal for August. Precipitation is expected on 5 days (about 0.5 inches), against a normal of 5 days and 2.3 inches. The warmest day looks like 23 August (97°), the coolest 15 August (55.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 83.8° | 83.3° | +0.3° |
| 19 August – 28 August | 93.6° | 81.7° | +6.6° |
| 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 (7 mi).
0.07
Royce Valley, Monday, 10 August
Rain. High 88°, low 71°.
0.19Royce Valley, Tuesday, 11 August
Rain. High 89°, low 70°.
0
Royce Valley, Wednesday, 12 August
Overcast. High 84°, low 70°.
0.02Royce Valley, Thursday, 13 August
Light rain. High 83°, low 66°.
0
Royce Valley, Friday, 14 August
Clear. High 77°, low 57°.
0Royce Valley, Saturday, 15 August
Clear. High 79°, low 56°.
0Royce Valley, Sunday, 16 August
Overcast. High 81°, low 57°.
0Royce Valley, Monday, 17 August
Overcast. High 82°, low 61°.
0Royce Valley, Tuesday, 18 August
Overcast. High 87°, low 62°.
0Royce Valley, Wednesday, 19 August
Overcast. High 90°, low 66°.
0
Royce Valley, Thursday, 20 August
Mostly clear. High 92°, low 66°.
0.04Royce Valley, Friday, 21 August
Light rain. High 95°, low 70°.
0Royce Valley, Saturday, 22 August
Mostly clear. High 94°, low 73°.
0Royce Valley, Sunday, 23 August
Clear. High 97°, low 71°.
0.15Royce Valley, Monday, 24 August
Light rain. High 94°, low 74°.
0.07
Royce Valley, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.08Royce Valley, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.15
Royce Valley, Thursday, 27 August
Climate normal for this date — 60-year average.
0.22Royce Valley, Friday, 28 August
Climate normal for this date — 60-year average.
0.12Royce Valley, Saturday, 29 August
Climate normal for this date — 60-year average.
0.07Royce Valley, Sunday, 30 August
Climate normal for this date — 60-year average.
0.07Royce Valley, Monday, 31 August
Climate normal for this date — 60-year average.
0.13Royce Valley, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.15Royce Valley, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.13Royce Valley, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09Royce Valley, Friday, 4 September
Climate normal for this date — 60-year average.
0.06Royce Valley, Saturday, 5 September
Climate normal for this date — 60-year average.
0.2Royce Valley, Sunday, 6 September
Climate normal for this date — 60-year average.
0.11Royce Valley, 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 Royce Valley, 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 Royce Valley, 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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