Weather in Fairfax Forest, VA
Fairfax Forest, Saturday, 31 October, 04:42
Clear. Feels like 46°. High 65°, low 44°.
Monthly outlook for Fairfax Forest, VA: average high 64.8°, average low 50.1°. That is 3.7° above the climate normal for October. Precipitation is expected on 3 days (about 0.5 inches), against a normal of 4 days and 1.7 inches. The warmest day looks like 9 November (73.4°), the coolest 13 November (43.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 31 October – 9 November | 68° | 59.9° | +4.5° |
| 10 November – 19 November | 59.6° | 54.8° | +2.7° |
| 20 November – 29 November | at normal | 52.1° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Merrifield (1 mi).
0
Fairfax Forest, Sunday, 1 November
Overcast. High 65°, low 44°.
0Fairfax Forest, Monday, 2 November
Overcast. High 61°, low 45°.
0Fairfax Forest, Tuesday, 3 November
Overcast. High 68°, low 46°.
0
Fairfax Forest, Wednesday, 4 November
Partly cloudy. High 70°, low 50°.
0.05
Fairfax Forest, Thursday, 5 November
Light rain. High 70°, low 55°.
0Fairfax Forest, Friday, 6 November
Overcast. High 71°, low 59°.
0Fairfax Forest, Saturday, 7 November
Overcast. High 66°, low 57°.
0Fairfax Forest, Sunday, 8 November
Overcast. High 70°, low 54°.
0Fairfax Forest, Monday, 9 November
Overcast. High 73°, low 58°.
0.33Fairfax Forest, Tuesday, 10 November
Rain. High 64°, low 61°.
0Fairfax Forest, Wednesday, 11 November
Light rain. High 62°, low 50°.
0
Fairfax Forest, Thursday, 12 November
Clear. High 61°, low 46°.
0Fairfax Forest, Friday, 13 November
Partly cloudy. High 55°, low 43°.
0.09Fairfax Forest, Saturday, 14 November
Light rain. High 58°, low 45°.
0Fairfax Forest, Sunday, 15 November
Clear. High 57°, low 45°.
0.12
Fairfax Forest, Monday, 16 November
Climate normal for this date — 60-year average.
0.08Fairfax Forest, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.06Fairfax Forest, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.11Fairfax Forest, Thursday, 19 November
Climate normal for this date — 60-year average.
0.07Fairfax Forest, Friday, 20 November
Climate normal for this date — 60-year average.
0.09Fairfax Forest, Saturday, 21 November
Climate normal for this date — 60-year average.
0.1Fairfax Forest, Sunday, 22 November
Climate normal for this date — 60-year average.
0.06Fairfax Forest, Monday, 23 November
Climate normal for this date — 60-year average.
0.13Fairfax Forest, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.09Fairfax Forest, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.13Fairfax Forest, Thursday, 26 November
Climate normal for this date — 60-year average.
0.09Fairfax Forest, Friday, 27 November
Climate normal for this date — 60-year average.
0.17Fairfax Forest, Saturday, 28 November
Climate normal for this date — 60-year average.
0.12Fairfax Forest, 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 Fairfax Forest, 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 Fairfax Forest, 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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