Weather in Upper Montclair, NJ
Upper Montclair, Saturday, 8 August, 22:46
Mostly clear. Feels like 79°. High 86°, low 70°.
Monthly outlook for Upper Montclair, NJ: average high 83°, average low 66.6°. That is 0.9° above the climate normal for August. Precipitation is expected on 5 days (about 1.6 inches), against a normal of 6 days and 2.3 inches. The warmest day looks like 11 August (93.2°), the coolest 22 August (59.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 August – 17 August | 85.5° | 82.2° | +1.9° |
| 18 August – 27 August | 78.9° | 80.3° | -0.8° |
| 28 August – 6 September | at normal | 79.1° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Brookdale (1 mi).
0.03
Upper Montclair, Sunday, 9 August
Light rain. High 90°, low 72°.
0
Upper Montclair, Monday, 10 August
Clear. High 91°, low 72°.
0.02Upper Montclair, Tuesday, 11 August
Light rain. High 93°, low 75°.
0.07Upper Montclair, Wednesday, 12 August
Light rain. High 83°, low 72°.
0.1Upper Montclair, Thursday, 13 August
Light rain. High 86°, low 67°.
0Upper Montclair, Friday, 14 August
Clear. High 80°, low 62°.
0Upper Montclair, Saturday, 15 August
Clear. High 81°, low 63°.
0
Upper Montclair, Sunday, 16 August
Overcast. High 82°, low 62°.
0.06Upper Montclair, Monday, 17 August
Light rain. High 83°, low 64°.
0.19Upper Montclair, Tuesday, 18 August
Rain. High 75°, low 66°.
0Upper Montclair, Wednesday, 19 August
Overcast. High 77°, low 69°.
1.07Upper Montclair, Thursday, 20 August
Heavy rain. High 82°, low 66°.
0
Upper Montclair, Friday, 21 August
Mostly clear. High 78°, low 64°.
0Upper Montclair, Saturday, 22 August
Clear. High 81°, low 60°.
0.01Upper Montclair, Sunday, 23 August
Light rain. High 81°, low 63°.
0.07
Upper Montclair, Monday, 24 August
Climate normal for this date — 60-year average.
0.07Upper Montclair, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.09Upper Montclair, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.16
Upper Montclair, Thursday, 27 August
Climate normal for this date — 60-year average.
0.22Upper Montclair, Friday, 28 August
Climate normal for this date — 60-year average.
0.15Upper Montclair, Saturday, 29 August
Climate normal for this date — 60-year average.
0.06Upper Montclair, Sunday, 30 August
Climate normal for this date — 60-year average.
0.06Upper Montclair, Monday, 31 August
Climate normal for this date — 60-year average.
0.13Upper Montclair, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.18Upper Montclair, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.13Upper Montclair, Thursday, 3 September
Climate normal for this date — 60-year average.
0.11Upper Montclair, Friday, 4 September
Climate normal for this date — 60-year average.
0.06Upper Montclair, Saturday, 5 September
Climate normal for this date — 60-year average.
0.2Upper Montclair, Sunday, 6 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 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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