Weather in Cedar Grove, NJ
Cedar Grove, Sunday, 9 August, 02:49
Clear. Feels like 74°. High 88°, low 73°.
Monthly outlook for Cedar Grove, NJ: average high 87.2°, average low 68.5°. That is 3.6° above the climate normal for August. Precipitation is expected on 3 days (about 0.5 inches), against a normal of 6 days and 2.2 inches. The warmest day looks like 23 August (97.3°), the coolest 15 August (59.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 83.9° | 81.6° | +1.3° |
| 19 August – 28 August | 92.6° | 79.9° | +7.1° |
| 29 August – 7 September | at normal | 78.5° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Montclair (2 mi).
0.01
Cedar Grove, Monday, 10 August
Light rain. High 86°, low 71°.
0.21Cedar Grove, Tuesday, 11 August
Rain. High 90°, low 71°.
0
Cedar Grove, Wednesday, 12 August
Overcast. High 85°, low 72°.
0.06Cedar Grove, Thursday, 13 August
Light rain. High 83°, low 67°.
0
Cedar Grove, Friday, 14 August
Clear. High 77°, low 61°.
0Cedar Grove, Saturday, 15 August
Clear. High 79°, low 59°.
0Cedar Grove, Sunday, 16 August
Overcast. High 81°, low 60°.
0Cedar Grove, Monday, 17 August
Overcast. High 81°, low 64°.
0
Cedar Grove, Tuesday, 18 August
Mostly clear. High 88°, low 65°.
0Cedar Grove, Wednesday, 19 August
Overcast. High 87°, low 69°.
0Cedar Grove, Thursday, 20 August
Mostly clear. High 89°, low 69°.
0.01Cedar Grove, Friday, 21 August
Light rain. High 95°, low 72°.
0Cedar Grove, Saturday, 22 August
Mostly clear. High 95°, low 76°.
0Cedar Grove, Sunday, 23 August
Clear. High 97°, low 73°.
0.23Cedar Grove, Monday, 24 August
Light rain. High 92°, low 74°.
0.07
Cedar Grove, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.09Cedar Grove, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.16
Cedar Grove, Thursday, 27 August
Climate normal for this date — 60-year average.
0.22Cedar Grove, Friday, 28 August
Climate normal for this date — 60-year average.
0.15Cedar Grove, Saturday, 29 August
Climate normal for this date — 60-year average.
0.06Cedar Grove, Sunday, 30 August
Climate normal for this date — 60-year average.
0.06Cedar Grove, Monday, 31 August
Climate normal for this date — 60-year average.
0.13Cedar Grove, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.18Cedar Grove, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.13Cedar Grove, Thursday, 3 September
Climate normal for this date — 60-year average.
0.11Cedar Grove, Friday, 4 September
Climate normal for this date — 60-year average.
0.06Cedar Grove, Saturday, 5 September
Climate normal for this date — 60-year average.
0.2Cedar Grove, Sunday, 6 September
Climate normal for this date — 60-year average.
0.13Cedar Grove, 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 Cedar Grove, 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 Cedar Grove, 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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