Weather in Great Falls, VA
Great Falls, Sunday, 1 November, 21:01
Overcast. Feels like 49°. High 64°, low 42°.
Monthly outlook for Great Falls, VA: average high 63.3°, average low 45.5°. That is 3.2° above the climate normal for November. Precipitation is expected on 2 days (about 1.9 inches), against a normal of 4 days and 1.7 inches. The warmest day looks like 4 November (72.6°), the coolest 13 November (33.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 1 November – 10 November | 65.2° | 59.4° | +3.2° |
| 11 November – 20 November | 60° | 54.1° | +3.3° |
| 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 45°.
0Great Falls, Tuesday, 3 November
Overcast. High 71°, low 43°.
0
Great Falls, Wednesday, 4 November
Partly cloudy. High 73°, low 52°.
0.81
Great Falls, Thursday, 5 November
Heavy rain. High 72°, low 59°.
1.14Great Falls, Friday, 6 November
Rain. High 64°, low 55°.
0
Great Falls, Saturday, 7 November
Clear. High 65°, low 47°.
0Great Falls, Sunday, 8 November
Clear. High 58°, low 41°.
0Great Falls, Monday, 9 November
Clear. High 62°, low 44°.
0Great Falls, Tuesday, 10 November
Overcast. High 61°, low 48°.
0Great Falls, Wednesday, 11 November
Partly cloudy. High 61°, low 43°.
0Great Falls, Thursday, 12 November
Clear. High 49°, low 39°.
0Great Falls, Friday, 13 November
Clear. High 51°, low 33°.
0Great Falls, Saturday, 14 November
Clear. High 62°, low 39°.
0Great Falls, Sunday, 15 November
Partly cloudy. High 67°, low 45°.
0Great Falls, Monday, 16 November
Clear. High 69°, low 51°.
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.
0.1
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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