Weather in Fort Mill, SC
Fort Mill, Saturday, 8 August, 21:27
Partly cloudy. Feels like 79°. High 89°, low 72°.
Monthly outlook for Fort Mill, SC: average high 90.6°, average low 71°. That is 2.2° above the climate normal for August. Precipitation is expected on 6 days (about 1.5 inches), against a normal of 6 days and 2.0 inches. The warmest day looks like 23 August (98.8°), the coolest 21 August (67.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 August – 17 August | 89.3° | 86.5° | +1.6° |
| 18 August – 27 August | 92.7° | 86.4° | +3.5° |
| 28 August – 6 September | at normal | 84.8° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Rock Hill (7 mi).
0
Fort Mill, Sunday, 9 August
Clear. High 91°, low 72°.
0.03
Fort Mill, Monday, 10 August
Light rain. High 98°, low 74°.
0Fort Mill, Tuesday, 11 August
Clear. High 98°, low 71°.
0.07Fort Mill, Wednesday, 12 August
Light rain. High 98°, low 73°.
0.1Fort Mill, Thursday, 13 August
Light rain. High 94°, low 71°.
0.01Fort Mill, Friday, 14 August
Light rain. High 83°, low 73°.
0.06Fort Mill, Saturday, 15 August
Light rain. High 74°, low 69°.
0
Fort Mill, Sunday, 16 August
Overcast. High 83°, low 68°.
0.51Fort Mill, Monday, 17 August
Rain. High 86°, low 70°.
0.59Fort Mill, Tuesday, 18 August
Heavy rain. High 88°, low 70°.
0.13Fort Mill, Wednesday, 19 August
Light rain. High 92°, low 71°.
0
Fort Mill, Thursday, 20 August
Mostly clear. High 97°, low 73°.
0Fort Mill, Friday, 21 August
Overcast. High 88°, low 67°.
0
Fort Mill, Saturday, 22 August
Partly cloudy. High 92°, low 69°.
0Fort Mill, Sunday, 23 August
Overcast. High 99°, low 73°.
0.09
Fort Mill, Monday, 24 August
Climate normal for this date — 60-year average.
0.09Fort Mill, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.16Fort Mill, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.11Fort Mill, Thursday, 27 August
Climate normal for this date — 60-year average.
0.09Fort Mill, Friday, 28 August
Climate normal for this date — 60-year average.
0.08Fort Mill, Saturday, 29 August
Climate normal for this date — 60-year average.
0.1Fort Mill, Sunday, 30 August
Climate normal for this date — 60-year average.
0.13Fort Mill, Monday, 31 August
Climate normal for this date — 60-year average.
0.1Fort Mill, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.11Fort Mill, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.16Fort Mill, Thursday, 3 September
Climate normal for this date — 60-year average.
0.14Fort Mill, Friday, 4 September
Climate normal for this date — 60-year average.
0.21Fort Mill, Saturday, 5 September
Climate normal for this date — 60-year average.
0.12Fort Mill, 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 Fort Mill, 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 Fort Mill, 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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