Weather in Morris Plains, NJ
Morris Plains, Saturday, 8 August, 23:29
Overcast. Feels like 75°. High 85°, low 69°.
Monthly outlook for Morris Plains, NJ: average high 80.8°, average low 63.1°. That is 0.1° below the climate normal for August. Precipitation is expected on 5 days (about 1.3 inches), against a normal of 6 days and 2.3 inches. The warmest day looks like 11 August (90.7°), the coolest 22 August (54.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 August – 17 August | 83.3° | 81.8° | +0.8° |
| 18 August – 27 August | 76.6° | 79.9° | -1.8° |
| 28 August – 6 September | at normal | 78.7° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Caldwell (10 mi).
0
Morris Plains, Sunday, 9 August
Clear. High 88°, low 71°.
0Morris Plains, Monday, 10 August
Clear. High 88°, low 71°.
0
Morris Plains, Tuesday, 11 August
Light rain. High 91°, low 71°.
0.12Morris Plains, Wednesday, 12 August
Light rain. High 81°, low 69°.
0.06Morris Plains, Thursday, 13 August
Light rain. High 83°, low 63°.
0Morris Plains, Friday, 14 August
Clear. High 77°, low 58°.
0Morris Plains, Saturday, 15 August
Clear. High 79°, low 59°.
0
Morris Plains, Sunday, 16 August
Partly cloudy. High 80°, low 56°.
0.09Morris Plains, Monday, 17 August
Light rain. High 81°, low 59°.
0.12Morris Plains, Tuesday, 18 August
Light rain. High 71°, low 64°.
0.01Morris Plains, Wednesday, 19 August
Light rain. High 77°, low 65°.
0.92Morris Plains, Thursday, 20 August
Rain. High 80°, low 63°.
0Morris Plains, Friday, 21 August
Clear. High 77°, low 60°.
0Morris Plains, Saturday, 22 August
Clear. High 78°, low 55°.
0.01Morris Plains, Sunday, 23 August
Light rain. High 77°, low 58°.
0.07Morris Plains, Monday, 24 August
Climate normal for this date — 60-year average.
0.07Morris Plains, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.08Morris Plains, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.16Morris Plains, Thursday, 27 August
Climate normal for this date — 60-year average.
0.22
Morris Plains, Friday, 28 August
Climate normal for this date — 60-year average.
0.15Morris Plains, Saturday, 29 August
Climate normal for this date — 60-year average.
0.06Morris Plains, Sunday, 30 August
Climate normal for this date — 60-year average.
0.06
Morris Plains, Monday, 31 August
Climate normal for this date — 60-year average.
0.13Morris Plains, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.17Morris Plains, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.13Morris Plains, Thursday, 3 September
Climate normal for this date — 60-year average.
0.12Morris Plains, Friday, 4 September
Climate normal for this date — 60-year average.
0.06Morris Plains, Saturday, 5 September
Climate normal for this date — 60-year average.
0.2Morris Plains, 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 Morris Plains, 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 Morris Plains, 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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