Weather in Green Brook, NJ
Green Brook, Friday, 9 October, 21:13
Overcast. Feels like 56°. High 71°, low 45°.
Monthly outlook for Green Brook, NJ: average high 64.4°, average low 49.6°. That is 0.3° above the climate normal for October. Precipitation is expected on 5 days (about 3.1 inches), against a normal of 4 days and 1.8 inches. The warmest day looks like 13 October (76.3°), the coolest 19 October (39.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 October – 18 October | 66.4° | 64.8° | +0.8° |
| 19 October – 28 October | 61.1° | 61.4° | -0.1° |
| 29 October – 7 November | at normal | 58.1° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Dunellen (1 mi).
0Green Brook, Saturday, 10 October
Overcast. High 68°, low 46°.
1.02
Green Brook, Sunday, 11 October
Rain. High 62°, low 48°.
0.3Green Brook, Monday, 12 October
Heavy rain. High 72°, low 56°.
0
Green Brook, Tuesday, 13 October
Clear. High 76°, low 53°.
0Green Brook, Wednesday, 14 October
Light rain. High 71°, low 58°.
0Green Brook, Thursday, 15 October
Clear. High 62°, low 50°.
0.49Green Brook, Friday, 16 October
Rain. High 63°, low 50°.
0.46Green Brook, Saturday, 17 October
Rain. High 65°, low 47°.
0.03Green Brook, Sunday, 18 October
Light rain. High 53°, low 43°.
0
Green Brook, Monday, 19 October
Mostly clear. High 55°, low 40°.
0Green Brook, Tuesday, 20 October
Clear. High 58°, low 43°.
0Green Brook, Wednesday, 21 October
Mostly clear. High 57°, low 50°.
0.01Green Brook, Thursday, 22 October
Light rain. High 61°, low 50°.
0.77Green Brook, Friday, 23 October
Rain. High 66°, low 59°.
0Green Brook, Saturday, 24 October
Clear. High 71°, low 55°.
0.11
Green Brook, Sunday, 25 October
Climate normal for this date — 60-year average.
0.16
Green Brook, Monday, 26 October
Climate normal for this date — 60-year average.
0.16Green Brook, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.14Green Brook, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.21Green Brook, Thursday, 29 October
Climate normal for this date — 60-year average.
0.1Green Brook, Friday, 30 October
Climate normal for this date — 60-year average.
0.06Green Brook, Saturday, 31 October
Climate normal for this date — 60-year average.
0.09Green Brook, Sunday, 1 November
Climate normal for this date — 60-year average.
0.09Green Brook, Monday, 2 November
Climate normal for this date — 60-year average.
0.07Green Brook, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.07Green Brook, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.12Green Brook, Thursday, 5 November
Climate normal for this date — 60-year average.
0.08Green Brook, Friday, 6 November
Climate normal for this date — 60-year average.
0.09Green Brook, Saturday, 7 November
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 Green Brook, 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 Green Brook, 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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