Weather in Mountain Island, NC
Mountain Island, Saturday, 31 October, 00:15
Clear. Feels like 58°. High 67°, low 50°.
Monthly outlook for Mountain Island, NC: average high 71°, average low 55.9°. That is 4.6° above the climate normal for October. Precipitation is expected on 5 days (about 1.2 inches), against a normal of 4 days and 1.7 inches. The warmest day looks like 12 November (77.2°), the coolest 15 November (47.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 31 October – 9 November | 71.4° | 64.2° | +4° |
| 10 November – 19 November | 70.2° | 60° | +5.7° |
| 20 November – 29 November | at normal | 57.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Huntersville (9 mi).
0
Mountain Island, Sunday, 1 November
Overcast. High 67°, low 48°.
0
Mountain Island, Monday, 2 November
Mostly clear. High 68°, low 51°.
0
Mountain Island, Tuesday, 3 November
Partly cloudy. High 72°, low 50°.
0
Mountain Island, Wednesday, 4 November
Light rain. High 75°, low 61°.
0.37Mountain Island, Thursday, 5 November
Rain. High 69°, low 63°.
0.13Mountain Island, Friday, 6 November
Light rain. High 72°, low 62°.
0Mountain Island, Saturday, 7 November
Partly cloudy. High 72°, low 57°.
0Mountain Island, Sunday, 8 November
Mostly clear. High 77°, low 49°.
0Mountain Island, Monday, 9 November
Overcast. High 76°, low 62°.
0Mountain Island, Tuesday, 10 November
Overcast. High 72°, low 61°.
0.04Mountain Island, Wednesday, 11 November
Light rain. High 76°, low 59°.
0Mountain Island, Thursday, 12 November
Overcast. High 77°, low 58°.
0.05Mountain Island, Friday, 13 November
Light rain. High 76°, low 61°.
0.6Mountain Island, Saturday, 14 November
Rain. High 68°, low 56°.
0
Mountain Island, Sunday, 15 November
Clear. High 51°, low 47°.
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.
0.14Mountain Island, Friday, 27 November
Climate normal for this date — 60-year average.
0.11
Mountain Island, Saturday, 28 November
Climate normal for this date — 60-year average.
0.11Mountain Island, Sunday, 29 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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