Weather in Rocky Hill, NJ
Rocky Hill, Sunday, 9 August, 03:26
Clear. Feels like 73°. High 88°, low 72°.
Monthly outlook for Rocky Hill, NJ: average high 87.9°, average low 66.5°. That is 3° above the climate normal for August. Precipitation is expected on 6 days (about 0.5 inches), against a normal of 5 days and 2.3 inches. The warmest day looks like 23 August (97.7°), the coolest 15 August (56°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 84.1° | 83.3° | +0.4° |
| 19 August – 28 August | 94.3° | 81.7° | +7° |
| 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 (6 mi).
0.06
Rocky Hill, Monday, 10 August
Rain. High 89°, low 71°.
0.14Rocky Hill, Tuesday, 11 August
Rain. High 89°, low 70°.
0
Rocky Hill, Wednesday, 12 August
Overcast. High 84°, low 71°.
0.04Rocky Hill, Thursday, 13 August
Light rain. High 84°, low 66°.
0
Rocky Hill, Friday, 14 August
Mostly clear. High 77°, low 58°.
0
Rocky Hill, Saturday, 15 August
Clear. High 79°, low 56°.
0Rocky Hill, Sunday, 16 August
Overcast. High 81°, low 56°.
0Rocky Hill, Monday, 17 August
Overcast. High 83°, low 61°.
0
Rocky Hill, Tuesday, 18 August
Partly cloudy. High 87°, low 63°.
0Rocky Hill, Wednesday, 19 August
Overcast. High 90°, low 68°.
0Rocky Hill, Thursday, 20 August
Mostly clear. High 93°, low 65°.
0.06Rocky Hill, Friday, 21 August
Light rain. High 96°, low 70°.
0.01Rocky Hill, Saturday, 22 August
Light rain. High 94°, low 73°.
0Rocky Hill, Sunday, 23 August
Clear. High 98°, low 70°.
0.16Rocky Hill, Monday, 24 August
Light rain. High 95°, low 75°.
0.07Rocky Hill, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.08Rocky Hill, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.15
Rocky Hill, Thursday, 27 August
Climate normal for this date — 60-year average.
0.22Rocky Hill, Friday, 28 August
Climate normal for this date — 60-year average.
0.12Rocky Hill, Saturday, 29 August
Climate normal for this date — 60-year average.
0.07Rocky Hill, Sunday, 30 August
Climate normal for this date — 60-year average.
0.07Rocky Hill, Monday, 31 August
Climate normal for this date — 60-year average.
0.13Rocky Hill, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.15Rocky Hill, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.13Rocky Hill, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09Rocky Hill, Friday, 4 September
Climate normal for this date — 60-year average.
0.06Rocky Hill, Saturday, 5 September
Climate normal for this date — 60-year average.
0.2Rocky Hill, Sunday, 6 September
Climate normal for this date — 60-year average.
0.11Rocky Hill, 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 Rocky Hill, 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 Rocky Hill, 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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