Weather in Fairfax Forest, VA
Fairfax Forest, Friday, 30 October, 05:52
Clear. Feels like 52°. High 73°, low 50°.
Monthly outlook for Fairfax Forest, VA: average high 63.5°, average low 47.6°. That is 2.8° above the climate normal for October. Precipitation is expected on 2 days (about 0.8 inches), against a normal of 4 days and 1.8 inches. The warmest day looks like 13 November (74.8°), the coolest 8 November (37.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 30 October – 8 November | 63.8° | 60.2° | +2° |
| 9 November – 18 November | 63° | 55.2° | +4.4° |
| 19 November – 28 November | at normal | 52.5° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Merrifield (1 mi).
0
Fairfax Forest, Saturday, 31 October
Overcast. High 62°, low 45°.
0Fairfax Forest, Sunday, 1 November
Overcast. High 62°, low 47°.
0
Fairfax Forest, Monday, 2 November
Mostly clear. High 67°, low 45°.
0Fairfax Forest, Tuesday, 3 November
Overcast. High 68°, low 47°.
0
Fairfax Forest, Wednesday, 4 November
Clear. High 69°, low 49°.
0.7
Fairfax Forest, Thursday, 5 November
Rain. High 66°, low 60°.
0.06Fairfax Forest, Friday, 6 November
Light rain. High 63°, low 52°.
0Fairfax Forest, Saturday, 7 November
Clear. High 54°, low 41°.
0Fairfax Forest, Sunday, 8 November
Overcast. High 53°, low 38°.
0Fairfax Forest, Monday, 9 November
Overcast. High 55°, low 44°.
0Fairfax Forest, Tuesday, 10 November
Clear. High 56°, low 44°.
0Fairfax Forest, Wednesday, 11 November
Overcast. High 58°, low 41°.
0.01Fairfax Forest, Thursday, 12 November
Light rain. High 61°, low 48°.
0Fairfax Forest, Friday, 13 November
Clear. High 75°, low 54°.
0Fairfax Forest, Saturday, 14 November
Overcast. High 74°, low 57°.
0.09
Fairfax Forest, Sunday, 15 November
Climate normal for this date — 60-year average.
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.
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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