Weather in Upper Montclair, NJ
Upper Montclair, Friday, 9 October, 21:31
Overcast. Feels like 57°. High 70°, low 44°.
Monthly outlook for Upper Montclair, NJ: average high 64.1°, average low 49.4°. That is 0.7° above the climate normal for October. Precipitation is expected on 6 days (about 3.1 inches), against a normal of 4 days and 1.9 inches. The warmest day looks like 13 October (76.1°), the coolest 19 October (38.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 October – 18 October | 65.6° | 63.9° | +1° |
| 19 October – 28 October | 61.5° | 60.4° | +0.6° |
| 29 October – 7 November | at normal | 57.2° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Brookdale (1 mi).
0Upper Montclair, Saturday, 10 October
Overcast. High 67°, low 48°.
0.74
Upper Montclair, Sunday, 11 October
Rain. High 60°, low 49°.
0.35Upper Montclair, Monday, 12 October
Rain. High 73°, low 56°.
0
Upper Montclair, Tuesday, 13 October
Clear. High 76°, low 55°.
0.01Upper Montclair, Wednesday, 14 October
Light rain. High 70°, low 57°.
0Upper Montclair, Thursday, 15 October
Clear. High 62°, low 50°.
0.47Upper Montclair, Friday, 16 October
Rain. High 62°, low 51°.
0.45Upper Montclair, Saturday, 17 October
Rain. High 64°, low 47°.
0.04Upper Montclair, Sunday, 18 October
Light rain. High 53°, low 42°.
0
Upper Montclair, Monday, 19 October
Mostly clear. High 56°, low 39°.
0Upper Montclair, Tuesday, 20 October
Clear. High 58°, low 42°.
0Upper Montclair, Wednesday, 21 October
Mostly clear. High 58°, low 47°.
0Upper Montclair, Thursday, 22 October
Overcast. High 60°, low 49°.
1.01Upper Montclair, Friday, 23 October
Rain. High 65°, low 59°.
0.01Upper Montclair, Saturday, 24 October
Light rain. High 71°, low 56°.
0.11
Upper Montclair, Sunday, 25 October
Climate normal for this date — 60-year average.
0.13Upper Montclair, Monday, 26 October
Climate normal for this date — 60-year average.
0.17Upper Montclair, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.15Upper Montclair, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.23Upper Montclair, Thursday, 29 October
Climate normal for this date — 60-year average.
0.09Upper Montclair, Friday, 30 October
Climate normal for this date — 60-year average.
0.06Upper Montclair, Saturday, 31 October
Climate normal for this date — 60-year average.
0.09Upper Montclair, Sunday, 1 November
Climate normal for this date — 60-year average.
0.09Upper Montclair, Monday, 2 November
Climate normal for this date — 60-year average.
0.08Upper Montclair, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.06Upper Montclair, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.13Upper Montclair, Thursday, 5 November
Climate normal for this date — 60-year average.
0.08
Upper Montclair, Friday, 6 November
Climate normal for this date — 60-year average.
0.09Upper Montclair, 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 Upper Montclair, 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 Upper Montclair, 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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