Weather in Helena, SC
Helena, Sunday, 18 October, 09:01
Clear. Feels like 42°. High 63°, low 45°.
Monthly outlook for Helena, SC: average high 73.5°, average low 53.4°. That is 2° above the climate normal for October. Precipitation is expected on 1 day (about 0.4 inches), against a normal of 3 days and 1.5 inches. The warmest day looks like 1 November (84.8°), the coolest 18 October (44.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 18 October – 27 October | 70.4° | 70.4° | -0° |
| 28 October – 6 November | 78.6° | 67.8° | +6° |
| 7 November – 16 November | at normal | 63.7° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Silverstreet (6 mi).
0Helena, Monday, 19 October
Clear. High 67°, low 45°.
0Helena, Tuesday, 20 October
Clear. High 74°, low 45°.
0Helena, Wednesday, 21 October
Clear. High 71°, low 48°.
0Helena, Thursday, 22 October
Clear. High 72°, low 46°.
0Helena, Friday, 23 October
Clear. High 70°, low 47°.
0Helena, Saturday, 24 October
Clear. High 70°, low 49°.
0
Helena, Sunday, 25 October
Mostly clear. High 69°, low 46°.
0
Helena, Monday, 26 October
Overcast. High 74°, low 50°.
0Helena, Tuesday, 27 October
Overcast. High 75°, low 55°.
0.02
Helena, Wednesday, 28 October
Light rain. High 68°, low 59°.
0.33Helena, Thursday, 29 October
Light rain. High 72°, low 64°.
0.03Helena, Friday, 30 October
Light rain. High 82°, low 67°.
0Helena, Saturday, 31 October
Overcast. High 81°, low 62°.
0
Helena, Sunday, 1 November
Partly cloudy. High 85°, low 66°.
0Helena, Monday, 2 November
Overcast. High 84°, low 63°.
0.04Helena, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.09Helena, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.08Helena, Thursday, 5 November
Climate normal for this date — 60-year average.
0.06Helena, Friday, 6 November
Climate normal for this date — 60-year average.
0.1Helena, Saturday, 7 November
Climate normal for this date — 60-year average.
0.06Helena, Sunday, 8 November
Climate normal for this date — 60-year average.
0.12Helena, Monday, 9 November
Climate normal for this date — 60-year average.
0.12
Helena, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.15Helena, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.19Helena, Thursday, 12 November
Climate normal for this date — 60-year average.
0.06Helena, Friday, 13 November
Climate normal for this date — 60-year average.
0.07Helena, Saturday, 14 November
Climate normal for this date — 60-year average.
0.1Helena, Sunday, 15 November
Climate normal for this date — 60-year average.
0.07Helena, Monday, 16 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 Helena, 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 Helena, 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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