Weather in Irmo, SC
Irmo, Friday, 16 October, 21:46
Partly cloudy. Feels like 74°. High 86°, low 64°.
Monthly outlook for Irmo, SC: average high 74.4°, average low 52°. That is 2.1° above the climate normal for October. Precipitation is expected on 2 days (about 0.2 inches), against a normal of 3 days and 1.3 inches. The warmest day looks like 16 October (85.6°), the coolest 18 October (44.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 16 October – 25 October | 72.4° | 71.3° | +0.6° |
| 26 October – 4 November | 77.7° | 69.1° | +4.8° |
| 5 November – 14 November | at normal | 64.9° | — |
October records over 66 years
0.18
Irmo, Saturday, 17 October
Rain. High 72°, low 52°.
0
Irmo, Sunday, 18 October
Clear. High 63°, low 45°.
0Irmo, Monday, 19 October
Clear. High 67°, low 47°.
0Irmo, Tuesday, 20 October
Clear. High 74°, low 49°.
0Irmo, Wednesday, 21 October
Clear. High 72°, low 51°.
0Irmo, Thursday, 22 October
Clear. High 72°, low 47°.
0Irmo, Friday, 23 October
Clear. High 74°, low 48°.
0Irmo, Saturday, 24 October
Clear. High 72°, low 48°.
0Irmo, Sunday, 25 October
Clear. High 73°, low 48°.
0
Irmo, Monday, 26 October
Overcast. High 75°, low 52°.
0Irmo, Tuesday, 27 October
Overcast. High 76°, low 53°.
0Irmo, Wednesday, 28 October
Overcast. High 78°, low 58°.
0Irmo, Thursday, 29 October
Overcast. High 76°, low 58°.
0
Irmo, Friday, 30 October
Partly cloudy. High 79°, low 56°.
0.04Irmo, Saturday, 31 October
Light rain. High 81°, low 57°.
0.1Irmo, Sunday, 1 November
Climate normal for this date — 60-year average.
0.09Irmo, Monday, 2 November
Climate normal for this date — 60-year average.
0.04Irmo, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.09Irmo, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.06Irmo, Thursday, 5 November
Climate normal for this date — 60-year average.
0.05
Irmo, Friday, 6 November
Climate normal for this date — 60-year average.
0.11Irmo, Saturday, 7 November
Climate normal for this date — 60-year average.
0.06Irmo, Sunday, 8 November
Climate normal for this date — 60-year average.
0.11Irmo, Monday, 9 November
Climate normal for this date — 60-year average.
0.1Irmo, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.14Irmo, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.19
Irmo, Thursday, 12 November
Climate normal for this date — 60-year average.
0.06Irmo, Friday, 13 November
Climate normal for this date — 60-year average.
0.09Irmo, Saturday, 14 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 Irmo, 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 Irmo, 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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