Weather in Mount Pleasant, SC
Mount Pleasant, Sunday, 11 October, 16:44
Overcast. Feels like 75°. High 77°, low 71°.
Monthly outlook for Mount Pleasant, SC: average high 76.3°, average low 63.9°. That is 1.5° above the climate normal for October. Precipitation is expected on 4 days (about 0.6 inches), against a normal of 4 days and 1.6 inches. The warmest day looks like 16 October (86.1°), the coolest 18 October (44.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 11 October – 20 October | 76.7° | 74.3° | +1.4° |
| 21 October – 30 October | 75.5° | 71.8° | +2.1° |
| 31 October – 9 November | at normal | 69.5° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Isle of Palms (5 mi).
0
Mount Pleasant, Monday, 12 October
Clear. High 83°, low 66°.
0Mount Pleasant, Tuesday, 13 October
Clear. High 83°, low 66°.
0Mount Pleasant, Wednesday, 14 October
Clear. High 84°, low 66°.
0Mount Pleasant, Thursday, 15 October
Clear. High 86°, low 68°.
0Mount Pleasant, Friday, 16 October
Clear. High 86°, low 69°.
0Mount Pleasant, Saturday, 17 October
Overcast. High 70°, low 53°.
0Mount Pleasant, Sunday, 18 October
Clear. High 58°, low 45°.
0.01
Mount Pleasant, Monday, 19 October
Light rain. High 67°, low 53°.
0.04Mount Pleasant, Tuesday, 20 October
Light rain. High 73°, low 61°.
0.02Mount Pleasant, Wednesday, 21 October
Light rain. High 75°, low 68°.
0.04Mount Pleasant, Thursday, 22 October
Light rain. High 74°, low 64°.
0.02Mount Pleasant, Friday, 23 October
Light rain. High 74°, low 64°.
0.06Mount Pleasant, Saturday, 24 October
Light rain. High 80°, low 69°.
0.03Mount Pleasant, Sunday, 25 October
Light rain. High 75°, low 70°.
0.03Mount Pleasant, Monday, 26 October
Light rain. High 75°, low 70°.
0.12
Mount Pleasant, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.12Mount Pleasant, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.07Mount Pleasant, Thursday, 29 October
Climate normal for this date — 60-year average.
0.21Mount Pleasant, Friday, 30 October
Climate normal for this date — 60-year average.
0.08Mount Pleasant, Saturday, 31 October
Climate normal for this date — 60-year average.
0.1Mount Pleasant, Sunday, 1 November
Climate normal for this date — 60-year average.
0.07Mount Pleasant, Monday, 2 November
Climate normal for this date — 60-year average.
0.06
Mount 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.
0.11Mount 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.
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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