Weather in Fairfax Forest, VA
Fairfax Forest, Saturday, 31 October, 22:24
Overcast. Feels like 49°. High 62°, low 42°.
Monthly outlook for Fairfax Forest, VA: average high 60°, average low 47.4°. That is 1° above the climate normal for October. Precipitation is expected on 7 days (about 7.4 inches), against a normal of 4 days and 1.7 inches. The warmest day looks like 4 November (72°), the coolest 12 November (40.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 31 October – 9 November | 65.3° | 59.9° | +3° |
| 10 November – 19 November | 51.2° | 54.8° | -2° |
| 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).
0Fairfax Forest, Sunday, 1 November
Overcast. High 66°, low 42°.
0Fairfax Forest, Monday, 2 November
Overcast. High 64°, low 42°.
0
Fairfax Forest, Tuesday, 3 November
Clear. High 71°, low 48°.
0Fairfax Forest, Wednesday, 4 November
Clear. High 72°, low 53°.
1.43
Fairfax Forest, Thursday, 5 November
Heavy rain. High 68°, low 61°.
2.06Fairfax Forest, Friday, 6 November
Heavy rain. High 71°, low 62°.
0.05Fairfax Forest, Saturday, 7 November
Light rain. High 68°, low 59°.
0.29Fairfax Forest, Sunday, 8 November
Rain. High 59°, low 45°.
0.03Fairfax Forest, Monday, 9 November
Light rain. High 53°, low 43°.
0Fairfax Forest, Tuesday, 10 November
Overcast. High 51°, low 46°.
0Fairfax Forest, Wednesday, 11 November
Clear. High 51°, low 43°.
0Fairfax Forest, Thursday, 12 November
Overcast. High 54°, low 40°.
0.18Fairfax Forest, Friday, 13 November
Light rain. High 49°, low 43°.
3.24Fairfax Forest, Saturday, 14 November
Heavy rain. High 56°, low 46°.
0.14Fairfax Forest, Sunday, 15 November
Light rain. High 46°, low 44°.
0.12
Fairfax Forest, Monday, 16 November
Climate normal for this date — 60-year average.
0.08
Fairfax 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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