Weather in Foster Mill, SC
Foster Mill, Saturday, 8 August, 15:21
Clear. Feels like 92°. High 91°, low 72°.
Monthly outlook for Foster Mill, SC: average high 92.4°, average low 71.6°. That is 3.3° above the climate normal for August. Precipitation is expected on 10 days (about 1.5 inches), against a normal of 7 days and 2.0 inches. The warmest day looks like 13 August (99.7°), the coolest 15 August (66.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 August – 17 August | 92.1° | 86.2° | +3.3° |
| 18 August – 27 August | 92.8° | 86.3° | +3.6° |
| 28 August – 6 September | at normal | 84.5° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Spartanburg (8 mi).
0.07
Foster Mill, Sunday, 9 August
Light rain. High 88°, low 72°.
0.2Foster Mill, Monday, 10 August
Rain. High 99°, low 72°.
0.36Foster Mill, Tuesday, 11 August
Rain. High 97°, low 72°.
0.09Foster Mill, Wednesday, 12 August
Light rain. High 98°, low 71°.
0.04Foster Mill, Thursday, 13 August
Light rain. High 100°, low 72°.
0.15Foster Mill, Friday, 14 August
Light rain. High 89°, low 73°.
0
Foster Mill, Saturday, 15 August
Mostly clear. High 86°, low 66°.
0
Foster Mill, Sunday, 16 August
Overcast. High 84°, low 70°.
0
Foster Mill, Monday, 17 August
Partly cloudy. High 90°, low 70°.
0.31Foster Mill, Tuesday, 18 August
Rain. High 85°, low 72°.
0.13Foster Mill, Wednesday, 19 August
Light rain. High 93°, low 71°.
0.01Foster Mill, Thursday, 20 August
Light rain. High 95°, low 72°.
0.06Foster Mill, Friday, 21 August
Light rain. High 96°, low 74°.
0.07Foster Mill, Saturday, 22 August
Light rain. High 96°, low 74°.
0Foster Mill, Sunday, 23 August
Light rain. High 92°, low 71°.
0.1Foster Mill, Monday, 24 August
Climate normal for this date — 60-year average.
0.11
Foster Mill, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.15Foster Mill, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.11Foster Mill, Thursday, 27 August
Climate normal for this date — 60-year average.
0.06Foster Mill, Friday, 28 August
Climate normal for this date — 60-year average.
0.04Foster Mill, Saturday, 29 August
Climate normal for this date — 60-year average.
0.09Foster Mill, Sunday, 30 August
Climate normal for this date — 60-year average.
0.12Foster Mill, Monday, 31 August
Climate normal for this date — 60-year average.
0.09Foster Mill, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.09Foster Mill, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.13Foster Mill, Thursday, 3 September
Climate normal for this date — 60-year average.
0.12Foster Mill, Friday, 4 September
Climate normal for this date — 60-year average.
0.18Foster Mill, Saturday, 5 September
Climate normal for this date — 60-year average.
0.11Foster 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 Foster 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 Foster 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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