Weather in Great Falls, VA
Great Falls, Sunday, 1 November, 00:13
Overcast. Feels like 49°. High 66°, low 42°.
Monthly outlook for Great Falls, VA: average high 59.4°, average low 46.8°. That is 1° above the climate normal for November. Precipitation is expected on 7 days (about 6.6 inches), against a normal of 4 days and 1.7 inches. The warmest day looks like 4 November (72.6°), the coolest 12 November (39.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 1 November – 10 November | 64.1° | 59.4° | +2.6° |
| 11 November – 20 November | 51.5° | 54.1° | -1.4° |
| 21 November – 30 November | at normal | 51.5° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Sugarland Run (4 mi).
0Great Falls, Monday, 2 November
Overcast. High 64°, low 41°.
0
Great Falls, Tuesday, 3 November
Clear. High 71°, low 47°.
0Great Falls, Wednesday, 4 November
Clear. High 73°, low 52°.
0.69
Great Falls, Thursday, 5 November
Rain. High 68°, low 60°.
1.63Great Falls, Friday, 6 November
Heavy rain. High 71°, low 62°.
0.07Great Falls, Saturday, 7 November
Light rain. High 67°, low 58°.
0.32Great Falls, Sunday, 8 November
Rain. High 59°, low 44°.
0.03Great Falls, Monday, 9 November
Light rain. High 53°, low 43°.
0Great Falls, Tuesday, 10 November
Overcast. High 50°, low 46°.
0Great Falls, Wednesday, 11 November
Clear. High 51°, low 42°.
0Great Falls, Thursday, 12 November
Overcast. High 53°, low 39°.
0.16Great Falls, Friday, 13 November
Light rain. High 49°, low 44°.
3.52Great Falls, Saturday, 14 November
Heavy rain. High 56°, low 46°.
0.15Great Falls, Sunday, 15 November
Light rain. High 45°, low 44°.
0Great Falls, Monday, 16 November
Clear. High 54°, low 39°.
0.08
Great Falls, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.06Great Falls, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.1Great Falls, Thursday, 19 November
Climate normal for this date — 60-year average.
0.07Great Falls, Friday, 20 November
Climate normal for this date — 60-year average.
0.09Great Falls, Saturday, 21 November
Climate normal for this date — 60-year average.
0.1
Great Falls, Sunday, 22 November
Climate normal for this date — 60-year average.
0.06Great Falls, Monday, 23 November
Climate normal for this date — 60-year average.
0.13Great Falls, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.09Great Falls, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.13Great Falls, Thursday, 26 November
Climate normal for this date — 60-year average.
0.09Great Falls, Friday, 27 November
Climate normal for this date — 60-year average.
0.17Great Falls, Saturday, 28 November
Climate normal for this date — 60-year average.
0.13Great Falls, Sunday, 29 November
Climate normal for this date — 60-year average.
0.12Great Falls, Monday, 30 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 Great Falls, VA 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 Great Falls, VA 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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