Weather in Marlo Heights, VA
Marlo Heights, Thursday, 22 October, 06:52
Clear. Feels like 40°. High 67°, low 43°.
Monthly outlook for Marlo Heights, VA: average high 63°, average low 48.7°. That is 0.7° above the climate normal for October. Precipitation is expected on 2 days (about 1.3 inches), against a normal of 4 days and 1.7 inches. The warmest day looks like 29 October (73.5°), the coolest 24 October (39.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 22 October – 31 October | 66° | 62.4° | +2° |
| 1 November – 10 November | 58° | 59.6° | -0.9° |
| 11 November – 20 November | at normal | 54.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — West Falls Church (1 mi).
0
Marlo Heights, Friday, 23 October
Overcast. High 61°, low 45°.
0
Marlo Heights, Saturday, 24 October
Clear. High 59°, low 40°.
0Marlo Heights, Sunday, 25 October
Clear. High 62°, low 41°.
0Marlo Heights, Monday, 26 October
Clear. High 65°, low 43°.
0Marlo Heights, Tuesday, 27 October
Clear. High 65°, low 51°.
0Marlo Heights, Wednesday, 28 October
Overcast. High 67°, low 51°.
0
Marlo Heights, Thursday, 29 October
Partly cloudy. High 73°, low 53°.
0Marlo Heights, Friday, 30 October
Overcast. High 71°, low 58°.
0Marlo Heights, Saturday, 31 October
Overcast. High 70°, low 54°.
0Marlo Heights, Sunday, 1 November
Overcast. High 72°, low 57°.
1.13
Marlo Heights, Monday, 2 November
Heavy rain. High 62°, low 53°.
0Marlo Heights, Tuesday, 3 November
Overcast. High 57°, low 51°.
0Marlo Heights, Wednesday, 4 November
Overcast. High 54°, low 50°.
0Marlo Heights, Thursday, 5 November
Overcast. High 50°, low 42°.
0.13Marlo Heights, Friday, 6 November
Light rain. High 53°, low 47°.
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.
0.06
Marlo 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.
0.12Marlo Heights, Monday, 16 November
Climate normal for this date — 60-year average.
0.08Marlo Heights, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.06Marlo Heights, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.11Marlo Heights, Thursday, 19 November
Climate normal for this date — 60-year average.
0.07Marlo Heights, Friday, 20 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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