Weather in Mountain Island, NC
Mountain Island, Wednesday, 28 October, 03:18
Clear. Feels like 46°. High 73°, low 46°.
Monthly outlook for Mountain Island, NC: average high 66.5°, average low 50.5°. That is 1.3° above the climate normal for October. Precipitation is expected on 2 days (about 1.6 inches), against a normal of 4 days and 1.7 inches. The warmest day looks like 30 October (78°), the coolest 10 November (43.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 28 October – 6 November | 68.5° | 65.2° | +1.8° |
| 7 November – 16 November | 63.2° | 61° | +1.2° |
| 17 November – 26 November | at normal | 58.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Huntersville (9 mi).
0
Mountain Island, Thursday, 29 October
Partly cloudy. High 75°, low 50°.
0
Mountain Island, Friday, 30 October
Clear. High 78°, low 50°.
0
Mountain Island, Saturday, 31 October
Overcast. High 65°, low 58°.
0Mountain Island, Sunday, 1 November
Overcast. High 68°, low 52°.
0.69
Mountain Island, Monday, 2 November
Rain. High 68°, low 57°.
0.03Mountain Island, Tuesday, 3 November
Light rain. High 67°, low 59°.
0.86Mountain Island, Wednesday, 4 November
Rain. High 65°, low 56°.
0
Mountain Island, Thursday, 5 November
Mostly clear. High 64°, low 49°.
0Mountain Island, Friday, 6 November
Overcast. High 61°, low 46°.
0.01Mountain Island, Saturday, 7 November
Light rain. High 65°, low 51°.
0Mountain Island, Sunday, 8 November
Overcast. High 60°, low 47°.
0Mountain Island, Monday, 9 November
Overcast. High 61°, low 49°.
0Mountain Island, Tuesday, 10 November
Clear. High 63°, low 43°.
0Mountain Island, Wednesday, 11 November
Clear. High 68°, low 45°.
0Mountain Island, Thursday, 12 November
Clear. High 62°, low 49°.
0.06Mountain Island, Friday, 13 November
Climate normal for this date — 60-year average.
0.07Mountain Island, Saturday, 14 November
Climate normal for this date — 60-year average.
0.09Mountain Island, Sunday, 15 November
Climate normal for this date — 60-year average.
0.1Mountain Island, Monday, 16 November
Climate normal for this date — 60-year average.
0.07Mountain Island, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.06Mountain Island, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.08Mountain Island, Thursday, 19 November
Climate normal for this date — 60-year average.
0.06Mountain Island, Friday, 20 November
Climate normal for this date — 60-year average.
0.14Mountain Island, Saturday, 21 November
Climate normal for this date — 60-year average.
0.14Mountain Island, Sunday, 22 November
Climate normal for this date — 60-year average.
0.08Mountain Island, Monday, 23 November
Climate normal for this date — 60-year average.
0.14Mountain Island, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.09Mountain Island, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.17Mountain Island, Thursday, 26 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 Mountain Island, NC 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 Mountain Island, NC 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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