Weather in Cumnor, VA
Cumnor, Tuesday, 20 October, 19:20
Clear. Feels like 56°. High 70°, low 46°.
Monthly outlook for Cumnor, VA: average high 64.5°, average low 45.2°. That is 0.4° below the climate normal for October. Precipitation is expected on 2 days (about 0.9 inches), against a normal of 4 days and 1.8 inches. The warmest day looks like 28 October (72.5°), the coolest 31 October (35.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 66.5° | 65.9° | +0.4° |
| 30 October – 8 November | 61.1° | 63.1° | -1.1° |
| 9 November – 18 November | at normal | 58.7° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — West Point (13 mi).
0
Cumnor, Wednesday, 21 October
Clear. High 66°, low 44°.
0Cumnor, Thursday, 22 October
Clear. High 65°, low 41°.
0
Cumnor, Friday, 23 October
Partly cloudy. High 60°, low 45°.
0Cumnor, Saturday, 24 October
Clear. High 62°, low 42°.
0Cumnor, Sunday, 25 October
Clear. High 66°, low 46°.
0Cumnor, Monday, 26 October
Partly cloudy. High 69°, low 43°.
0
Cumnor, Tuesday, 27 October
Overcast. High 72°, low 49°.
0Cumnor, Wednesday, 28 October
Overcast. High 73°, low 54°.
0.05
Cumnor, Thursday, 29 October
Light rain. High 62°, low 48°.
0Cumnor, Friday, 30 October
Partly cloudy. High 55°, low 39°.
0Cumnor, Saturday, 31 October
Clear. High 57°, low 35°.
0Cumnor, Sunday, 1 November
Overcast. High 72°, low 46°.
0.82Cumnor, Monday, 2 November
Rain. High 68°, low 63°.
0Cumnor, Tuesday, 3 November
Clear. High 62°, low 45°.
0Cumnor, Wednesday, 4 November
Clear. High 53°, low 37°.
0.13Cumnor, Thursday, 5 November
Climate normal for this date — 60-year average.
0.07Cumnor, Friday, 6 November
Climate normal for this date — 60-year average.
0.1Cumnor, Saturday, 7 November
Climate normal for this date — 60-year average.
0.09
Cumnor, Sunday, 8 November
Climate normal for this date — 60-year average.
0.05Cumnor, Monday, 9 November
Climate normal for this date — 60-year average.
0.12Cumnor, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.15Cumnor, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.29
Cumnor, Thursday, 12 November
Climate normal for this date — 60-year average.
0.13Cumnor, Friday, 13 November
Climate normal for this date — 60-year average.
0.06Cumnor, Saturday, 14 November
Climate normal for this date — 60-year average.
0.13Cumnor, Sunday, 15 November
Climate normal for this date — 60-year average.
0.09Cumnor, Monday, 16 November
Climate normal for this date — 60-year average.
0.09Cumnor, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.04Cumnor, Wednesday, 18 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 Cumnor, 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 Cumnor, 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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