Weather in Mount Pleasant, SC
Mount Pleasant, Sunday, 18 October, 14:13
Clear. Feels like 64°. High 66°, low 47°.
Monthly outlook for Mount Pleasant, SC: average high 73.4°, average low 59.5°. That is 0.8° above the climate normal for October. Precipitation is expected on 4 days (about 2.3 inches), against a normal of 4 days and 1.6 inches. The warmest day looks like 1 November (83.9°), the coolest 18 October (47.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 18 October – 27 October | 71° | 72.4° | -0.8° |
| 28 October – 6 November | 77.5° | 70.3° | +4° |
| 7 November – 16 November | at normal | 66.8° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Isle of Palms (5 mi).
0Mount Pleasant, Monday, 19 October
Clear. High 68°, low 49°.
0Mount Pleasant, Tuesday, 20 October
Clear. High 73°, low 50°.
0Mount Pleasant, Wednesday, 21 October
Clear. High 71°, low 51°.
0Mount Pleasant, Thursday, 22 October
Clear. High 71°, low 50°.
0Mount Pleasant, Friday, 23 October
Clear. High 70°, low 50°.
0Mount Pleasant, Saturday, 24 October
Clear. High 69°, low 54°.
0
Mount Pleasant, Sunday, 25 October
Overcast. High 72°, low 57°.
0.02
Mount Pleasant, Monday, 26 October
Light rain. High 73°, low 60°.
0.03Mount Pleasant, Tuesday, 27 October
Light rain. High 77°, low 66°.
0.05Mount Pleasant, Wednesday, 28 October
Light rain. High 77°, low 74°.
1.51Mount Pleasant, Thursday, 29 October
Heavy rain. High 75°, low 70°.
0
Mount Pleasant, Friday, 30 October
Mostly clear. High 78°, low 67°.
0Mount Pleasant, Saturday, 31 October
Clear. High 79°, low 71°.
0.15Mount Pleasant, Sunday, 1 November
Light rain. High 84°, low 73°.
0.53Mount Pleasant, Monday, 2 November
Light rain. High 71°, low 62°.
0.06Mount Pleasant, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.11
Mount Pleasant, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.11
Mount Pleasant, Thursday, 5 November
Climate normal for this date — 60-year average.
0.09Mount Pleasant, Friday, 6 November
Climate normal for this date — 60-year average.
0.09Mount Pleasant, Saturday, 7 November
Climate normal for this date — 60-year average.
0.06Mount Pleasant, Sunday, 8 November
Climate normal for this date — 60-year average.
0.13Mount Pleasant, Monday, 9 November
Climate normal for this date — 60-year average.
0.11Mount Pleasant, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.1Mount Pleasant, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.11Mount Pleasant, Thursday, 12 November
Climate normal for this date — 60-year average.
0.07Mount Pleasant, Friday, 13 November
Climate normal for this date — 60-year average.
0.04Mount Pleasant, Saturday, 14 November
Climate normal for this date — 60-year average.
0.13Mount Pleasant, Sunday, 15 November
Climate normal for this date — 60-year average.
0.07Mount Pleasant, Monday, 16 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 Mount Pleasant, SC 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 Mount Pleasant, SC 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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