Weather in Arna Valley, VA
Arna Valley, Saturday, 31 October, 01:39
Clear. Feels like 47°. High 65°, low 44°.
Monthly outlook for Arna Valley, VA: average high 63.7°, average low 49.6°. That is 2.9° above the climate normal for October. Precipitation is expected on 2 days (about 0.3 inches), against a normal of 4 days and 1.7 inches. The warmest day looks like 4 November (71.9°), the coolest 15 November (38.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 31 October – 9 November | 65.5° | 60.2° | +2.9° |
| 10 November – 19 November | 60.8° | 55.1° | +3.1° |
| 20 November – 29 November | at normal | 52.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Alexandria (2 mi).
0
Arna Valley, Sunday, 1 November
Overcast. High 65°, low 48°.
0Arna Valley, Monday, 2 November
Overcast. High 60°, low 45°.
0Arna Valley, Tuesday, 3 November
Overcast. High 67°, low 46°.
0
Arna Valley, Wednesday, 4 November
Clear. High 72°, low 51°.
0.08
Arna Valley, Thursday, 5 November
Light rain. High 68°, low 59°.
0.26Arna Valley, Friday, 6 November
Rain. High 69°, low 61°.
0Arna Valley, Saturday, 7 November
Light rain. High 67°, low 57°.
0
Arna Valley, Sunday, 8 November
Partly cloudy. High 62°, low 51°.
0Arna Valley, Monday, 9 November
Overcast. High 61°, low 48°.
0Arna Valley, Tuesday, 10 November
Clear. High 65°, low 50°.
0Arna Valley, Wednesday, 11 November
Clear. High 67°, low 50°.
0Arna Valley, Thursday, 12 November
Clear. High 68°, low 53°.
0Arna Valley, Friday, 13 November
Clear. High 67°, low 49°.
0
Arna Valley, Saturday, 14 November
Mostly clear. High 50°, low 42°.
0Arna Valley, Sunday, 15 November
Clear. High 49°, low 38°.
0.12Arna Valley, Monday, 16 November
Climate normal for this date — 60-year average.
0.08Arna Valley, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.06Arna Valley, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.1Arna Valley, Thursday, 19 November
Climate normal for this date — 60-year average.
0.06Arna Valley, Friday, 20 November
Climate normal for this date — 60-year average.
0.09Arna Valley, Saturday, 21 November
Climate normal for this date — 60-year average.
0.1Arna Valley, Sunday, 22 November
Climate normal for this date — 60-year average.
0.06Arna Valley, Monday, 23 November
Climate normal for this date — 60-year average.
0.13Arna Valley, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.1Arna Valley, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.13
Arna Valley, Thursday, 26 November
Climate normal for this date — 60-year average.
0.09Arna Valley, Friday, 27 November
Climate normal for this date — 60-year average.
0.17Arna Valley, Saturday, 28 November
Climate normal for this date — 60-year average.
0.11Arna Valley, 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 Arna Valley, 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 Arna Valley, 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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