Weather in Rock Hill, SC
Rock Hill, Sunday, 9 August, 01:01
Mostly clear. Feels like 76°. High 90°, low 72°.
Monthly outlook for Rock Hill, SC: average high 90.9°, average low 70.6°. That is 2.4° above the climate normal for August. Precipitation is expected on 8 days (about 1.7 inches), against a normal of 6 days and 1.9 inches. The warmest day looks like 24 August (99°), the coolest 21 August (66.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 89.1° | 86.6° | +1.4° |
| 19 August – 28 August | 94.1° | 86.3° | +4.3° |
| 29 August – 7 September | at normal | 84.5° | — |
August records over 66 years
0.06
Rock Hill, Monday, 10 August
Light rain. High 98°, low 73°.
0
Rock Hill, Tuesday, 11 August
Clear. High 98°, low 70°.
0.07Rock Hill, Wednesday, 12 August
Light rain. High 98°, low 72°.
0.13Rock Hill, Thursday, 13 August
Light rain. High 93°, low 71°.
0.01Rock Hill, Friday, 14 August
Light rain. High 83°, low 73°.
0.06Rock Hill, Saturday, 15 August
Light rain. High 75°, low 69°.
0
Rock Hill, Sunday, 16 August
Overcast. High 82°, low 67°.
0.53Rock Hill, Monday, 17 August
Rain. High 86°, low 69°.
0.46Rock Hill, Tuesday, 18 August
Rain. High 87°, low 69°.
0.19Rock Hill, Wednesday, 19 August
Light rain. High 92°, low 71°.
0
Rock Hill, Thursday, 20 August
Mostly clear. High 96°, low 73°.
0Rock Hill, Friday, 21 August
Overcast. High 88°, low 67°.
0
Rock Hill, Saturday, 22 August
Partly cloudy. High 91°, low 69°.
0Rock Hill, Sunday, 23 August
Overcast. High 98°, low 73°.
0.22Rock Hill, Monday, 24 August
Rain. High 99°, low 72°.
0.09
Rock Hill, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.16Rock Hill, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.11Rock Hill, Thursday, 27 August
Climate normal for this date — 60-year average.
0.09Rock Hill, Friday, 28 August
Climate normal for this date — 60-year average.
0.08Rock Hill, Saturday, 29 August
Climate normal for this date — 60-year average.
0.1Rock Hill, Sunday, 30 August
Climate normal for this date — 60-year average.
0.13Rock Hill, Monday, 31 August
Climate normal for this date — 60-year average.
0.1Rock Hill, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.11Rock Hill, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.16Rock Hill, Thursday, 3 September
Climate normal for this date — 60-year average.
0.14Rock Hill, Friday, 4 September
Climate normal for this date — 60-year average.
0.21Rock Hill, Saturday, 5 September
Climate normal for this date — 60-year average.
0.12Rock Hill, Sunday, 6 September
Climate normal for this date — 60-year average.
0.1Rock Hill, 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 Rock Hill, 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 Rock Hill, 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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