Weather in Irwin, SC
Irwin, Friday, 9 October, 15:47
Overcast. Feels like 76°. High 77°, low 60°.
Monthly outlook for Irwin, SC: average high 73.5°, average low 55.3°. That is 1° above the climate normal for October. Precipitation is expected on 2 days (about 1.5 inches), against a normal of 3 days and 1.4 inches. The warmest day looks like 14 October (88.8°), the coolest 18 October (41.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 October – 18 October | 76.7° | 72.8° | +2.2° |
| 19 October – 28 October | 68° | 69.4° | -0.8° |
| 29 October – 7 November | at normal | 66.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Richburg (11 mi).
1.33
Irwin, Saturday, 10 October
Heavy rain. High 68°, low 58°.
0.13Irwin, Sunday, 11 October
Rain. High 74°, low 66°.
0
Irwin, Monday, 12 October
Clear. High 83°, low 64°.
0Irwin, Tuesday, 13 October
Clear. High 87°, low 62°.
0Irwin, Wednesday, 14 October
Clear. High 89°, low 64°.
0.02Irwin, Thursday, 15 October
Light rain. High 70°, low 65°.
0Irwin, Friday, 16 October
Overcast. High 84°, low 66°.
0Irwin, Saturday, 17 October
Clear. High 74°, low 51°.
0Irwin, Sunday, 18 October
Clear. High 60°, low 41°.
0Irwin, Monday, 19 October
Overcast. High 62°, low 41°.
0Irwin, Tuesday, 20 October
Overcast. High 68°, low 46°.
0Irwin, Wednesday, 21 October
Clear. High 69°, low 47°.
0Irwin, Thursday, 22 October
Overcast. High 71°, low 50°.
0.01Irwin, Friday, 23 October
Light rain. High 71°, low 55°.
0Irwin, Saturday, 24 October
Clear. High 67°, low 48°.
0.13
Irwin, Sunday, 25 October
Climate normal for this date — 60-year average.
0.11Irwin, Monday, 26 October
Climate normal for this date — 60-year average.
0.11Irwin, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.11Irwin, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.09Irwin, Thursday, 29 October
Climate normal for this date — 60-year average.
0.11
Irwin, Friday, 30 October
Climate normal for this date — 60-year average.
0.08Irwin, Saturday, 31 October
Climate normal for this date — 60-year average.
0.11Irwin, Sunday, 1 November
Climate normal for this date — 60-year average.
0.13Irwin, Monday, 2 November
Climate normal for this date — 60-year average.
0.04Irwin, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.13Irwin, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.07Irwin, Thursday, 5 November
Climate normal for this date — 60-year average.
0.05Irwin, Friday, 6 November
Climate normal for this date — 60-year average.
0.09Irwin, Saturday, 7 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 Irwin, 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 Irwin, 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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