Weather in Great Falls, VA
Great Falls, Saturday, 24 October, 09:55
Clear. Feels like 50°. High 60°, low 38°.
Monthly outlook for Great Falls, VA: average high 61.2°, average low 43°. That is 0.2° above the climate normal for October. Precipitation is expected on 1 day (about 0.1 inches), against a normal of 4 days and 1.8 inches. The warmest day looks like 30 October (72°), the coolest 5 November (34.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 24 October – 2 November | 63.5° | 62° | +0.9° |
| 3 November – 12 November | 57.5° | 58° | -0.3° |
| 13 November – 22 November | at normal | 53.4° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Sugarland Run (4 mi).
0Great Falls, Sunday, 25 October
Clear. High 64°, low 37°.
0Great Falls, Monday, 26 October
Clear. High 68°, low 39°.
0
Great Falls, Tuesday, 27 October
Mostly clear. High 67°, low 49°.
0
Great Falls, Wednesday, 28 October
Partly cloudy. High 64°, low 47°.
0Great Falls, Thursday, 29 October
Mostly clear. High 68°, low 47°.
0Great Falls, Friday, 30 October
Clear. High 72°, low 51°.
0Great Falls, Saturday, 31 October
Clear. High 60°, low 45°.
0
Great Falls, Sunday, 1 November
Overcast. High 56°, low 44°.
0Great Falls, Monday, 2 November
Overcast. High 56°, low 47°.
0.03
Great Falls, Tuesday, 3 November
Light rain. High 61°, low 46°.
0Great Falls, Wednesday, 4 November
Clear. High 53°, low 38°.
0Great Falls, Thursday, 5 November
Clear. High 51°, low 35°.
0Great Falls, Friday, 6 November
Overcast. High 54°, low 38°.
0Great Falls, Saturday, 7 November
Overcast. High 60°, low 40°.
0.07Great Falls, Sunday, 8 November
Light rain. High 64°, low 47°.
0.06Great Falls, Monday, 9 November
Climate normal for this date — 60-year average.
0.13Great Falls, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.18Great Falls, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.21
Great Falls, Thursday, 12 November
Climate normal for this date — 60-year average.
0.09Great Falls, Friday, 13 November
Climate normal for this date — 60-year average.
0.07Great Falls, Saturday, 14 November
Climate normal for this date — 60-year average.
0.09Great Falls, Sunday, 15 November
Climate normal for this date — 60-year average.
0.12Great Falls, Monday, 16 November
Climate normal for this date — 60-year average.
0.08Great 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.
0.1Great Falls, Sunday, 22 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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