Weather in Marlo Heights, VA
Marlo Heights, Saturday, 17 October, 16:40
Clear. Feels like 55°. High 60°, low 45°.
Monthly outlook for Marlo Heights, VA: average high 63.9°, average low 45.7°. That is 0.5° above the climate normal for October. Precipitation is expected on 2 days (about 0.3 inches), against a normal of 4 days and 1.9 inches. The warmest day looks like 1 November (74.3°), the coolest 29 October (37.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 17 October – 26 October | 63.6° | 63.8° | -0.1° |
| 27 October – 5 November | 64.2° | 61.2° | +1.7° |
| 6 November – 15 November | at normal | 56.5° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — West Falls Church (1 mi).
0Marlo Heights, Sunday, 18 October
Clear. High 59°, low 40°.
0Marlo Heights, Monday, 19 October
Clear. High 65°, low 41°.
0Marlo Heights, Tuesday, 20 October
Clear. High 65°, low 47°.
0Marlo Heights, Wednesday, 21 October
Clear. High 62°, low 44°.
0Marlo Heights, Thursday, 22 October
Clear. High 63°, low 43°.
0
Marlo Heights, Friday, 23 October
Partly cloudy. High 63°, low 45°.
0Marlo Heights, Saturday, 24 October
Clear. High 65°, low 48°.
0
Marlo Heights, Sunday, 25 October
Mostly clear. High 65°, low 48°.
0Marlo Heights, Monday, 26 October
Mostly clear. High 69°, low 48°.
0.08
Marlo Heights, Tuesday, 27 October
Light rain. High 65°, low 51°.
0Marlo Heights, Wednesday, 28 October
Clear. High 53°, low 41°.
0Marlo Heights, Thursday, 29 October
Clear. High 57°, low 38°.
0Marlo Heights, Friday, 30 October
Partly cloudy. High 65°, low 44°.
0
Marlo Heights, Saturday, 31 October
Overcast. High 71°, low 51°.
0Marlo Heights, Sunday, 1 November
Partly cloudy. High 74°, low 57°.
0.11Marlo Heights, Monday, 2 November
Climate normal for this date — 60-year average.
0.06Marlo Heights, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.13Marlo Heights, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.08Marlo Heights, Thursday, 5 November
Climate normal for this date — 60-year average.
0.06Marlo Heights, Friday, 6 November
Climate normal for this date — 60-year average.
0.1Marlo Heights, Saturday, 7 November
Climate normal for this date — 60-year average.
0.16Marlo Heights, Sunday, 8 November
Climate normal for this date — 60-year average.
0.07Marlo Heights, Monday, 9 November
Climate normal for this date — 60-year average.
0.13Marlo Heights, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.2Marlo Heights, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.24
Marlo Heights, Thursday, 12 November
Climate normal for this date — 60-year average.
0.1Marlo Heights, Friday, 13 November
Climate normal for this date — 60-year average.
0.06Marlo Heights, Saturday, 14 November
Climate normal for this date — 60-year average.
0.09Marlo Heights, Sunday, 15 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 Marlo Heights, 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 Marlo Heights, 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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