Weather in Fairfax, VA
Fairfax, Sunday, 25 October, 23:47
Clear. Feels like 47°. High 70°, low 41°.
Monthly outlook for Fairfax, VA: average high 59.7°, average low 44.4°. That is 0.2° below the climate normal for October. Precipitation is expected on 2 days (about 1.0 inches), against a normal of 4 days and 1.7 inches. The warmest day looks like 30 October (75.7°), the coolest 6 November (33.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 26 October – 4 November | 65° | 61.3° | +2.1° |
| 5 November – 14 November | 50.9° | 56.6° | -3.1° |
| 15 November – 24 November | at normal | 52.8° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Fair Oaks (3 mi).
0
Fairfax, Tuesday, 27 October
Clear. High 69°, low 47°.
0
Fairfax, Wednesday, 28 October
Overcast. High 66°, low 48°.
0Fairfax, Thursday, 29 October
Overcast. High 69°, low 51°.
0Fairfax, Friday, 30 October
Clear. High 76°, low 50°.
0Fairfax, Saturday, 31 October
Overcast. High 65°, low 52°.
0Fairfax, Sunday, 1 November
Overcast. High 63°, low 48°.
0.86
Fairfax, Monday, 2 November
Rain. High 63°, low 55°.
0.03Fairfax, Tuesday, 3 November
Light rain. High 59°, low 51°.
0Fairfax, Wednesday, 4 November
Overcast. High 52°, low 45°.
0.03Fairfax, Thursday, 5 November
Light rain. High 50°, low 40°.
0Fairfax, Friday, 6 November
Clear. High 49°, low 33°.
0Fairfax, Saturday, 7 November
Clear. High 53°, low 34°.
0.1Fairfax, Sunday, 8 November
Light rain. High 47°, low 38°.
0Fairfax, Monday, 9 November
Overcast. High 52°, low 40°.
0
Fairfax, Tuesday, 10 November
Mostly clear. High 54°, low 36°.
0.19
Fairfax, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.23
Fairfax, Thursday, 12 November
Climate normal for this date — 60-year average.
0.1Fairfax, Friday, 13 November
Climate normal for this date — 60-year average.
0.06Fairfax, Saturday, 14 November
Climate normal for this date — 60-year average.
0.09Fairfax, Sunday, 15 November
Climate normal for this date — 60-year average.
0.12Fairfax, Monday, 16 November
Climate normal for this date — 60-year average.
0.08Fairfax, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.06Fairfax, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.11Fairfax, Thursday, 19 November
Climate normal for this date — 60-year average.
0.06Fairfax, Friday, 20 November
Climate normal for this date — 60-year average.
0.09Fairfax, Saturday, 21 November
Climate normal for this date — 60-year average.
0.09Fairfax, Sunday, 22 November
Climate normal for this date — 60-year average.
0.06Fairfax, Monday, 23 November
Climate normal for this date — 60-year average.
0.13Fairfax, Tuesday, 24 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, 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, 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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