Weather in Mountain Lakes, NJ
Mountain Lakes, Sunday, 9 August, 00:14
Partly cloudy. Feels like 75°. High 88°, low 71°.
Monthly outlook for Mountain Lakes, NJ: average high 80.9°, average low 63.1°. That is 0.1° above the climate normal for August. Precipitation is expected on 6 days (about 1.4 inches), against a normal of 6 days and 2.2 inches. The warmest day looks like 11 August (90.7°), the coolest 22 August (54.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 81.9° | 81.6° | +0.2° |
| 19 August – 28 August | 79.2° | 79.9° | -0.4° |
| 29 August – 7 September | at normal | 78.5° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Caldwell (9 mi).
0
Mountain Lakes, Monday, 10 August
Clear. High 88°, low 71°.
0.02
Mountain Lakes, Tuesday, 11 August
Light rain. High 91°, low 71°.
0.14Mountain Lakes, Wednesday, 12 August
Light rain. High 80°, low 69°.
0.07Mountain Lakes, Thursday, 13 August
Light rain. High 83°, low 63°.
0Mountain Lakes, Friday, 14 August
Clear. High 78°, low 58°.
0Mountain Lakes, Saturday, 15 August
Clear. High 79°, low 59°.
0
Mountain Lakes, Sunday, 16 August
Partly cloudy. High 80°, low 56°.
0.09Mountain Lakes, Monday, 17 August
Light rain. High 81°, low 59°.
0.11Mountain Lakes, Tuesday, 18 August
Light rain. High 71°, low 64°.
0.01Mountain Lakes, Wednesday, 19 August
Light rain. High 76°, low 65°.
0.84Mountain Lakes, Thursday, 20 August
Rain. High 81°, low 63°.
0Mountain Lakes, Friday, 21 August
Clear. High 77°, low 59°.
0Mountain Lakes, Saturday, 22 August
Clear. High 79°, low 55°.
0.01Mountain Lakes, Sunday, 23 August
Light rain. High 78°, low 59°.
0.07Mountain Lakes, Monday, 24 August
Light rain. High 85°, low 67°.
0.07Mountain Lakes, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.08Mountain Lakes, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.16Mountain Lakes, Thursday, 27 August
Climate normal for this date — 60-year average.
0.22
Mountain Lakes, Friday, 28 August
Climate normal for this date — 60-year average.
0.15Mountain Lakes, Saturday, 29 August
Climate normal for this date — 60-year average.
0.06Mountain Lakes, Sunday, 30 August
Climate normal for this date — 60-year average.
0.06
Mountain Lakes, Monday, 31 August
Climate normal for this date — 60-year average.
0.13Mountain Lakes, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.17Mountain Lakes, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.13Mountain Lakes, Thursday, 3 September
Climate normal for this date — 60-year average.
0.12Mountain Lakes, Friday, 4 September
Climate normal for this date — 60-year average.
0.06Mountain Lakes, Saturday, 5 September
Climate normal for this date — 60-year average.
0.2Mountain Lakes, Sunday, 6 September
Climate normal for this date — 60-year average.
0.13Mountain Lakes, 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 Mountain Lakes, 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 Mountain Lakes, 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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