Weather in Marlo Heights, VA
Marlo Heights, Thursday, 15 October, 07:19
Overcast. Feels like 66°. High 72°, low 60°.
Monthly outlook for Marlo Heights, VA: average high 63.7°, average low 47.6°. That is 0° above the climate normal for October. Precipitation is expected on 3 days (about 0.4 inches), against a normal of 4 days and 1.9 inches. The warmest day looks like 16 October (85.7°), the coolest 18 October (39.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 October – 24 October | 66.1° | 64.8° | +0.7° |
| 25 October – 3 November | 59.6° | 61.8° | -1.2° |
| 4 November – 13 November | at normal | 57.4° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — West Falls Church (1 mi).
0.19
Marlo Heights, Friday, 16 October
Rain. High 86°, low 61°.
0.05Marlo Heights, Saturday, 17 October
Light rain. High 60°, low 46°.
0
Marlo Heights, Sunday, 18 October
Clear. High 56°, low 39°.
0Marlo Heights, Monday, 19 October
Clear. High 60°, low 42°.
0Marlo Heights, Tuesday, 20 October
Clear. High 66°, low 48°.
0
Marlo Heights, Wednesday, 21 October
Partly cloudy. High 65°, low 50°.
0Marlo Heights, Thursday, 22 October
Clear. High 64°, low 47°.
0Marlo Heights, Friday, 23 October
Clear. High 67°, low 47°.
0Marlo Heights, Saturday, 24 October
Clear. High 66°, low 51°.
0Marlo Heights, Sunday, 25 October
Overcast. High 61°, low 49°.
0Marlo Heights, Monday, 26 October
Overcast. High 59°, low 47°.
0Marlo Heights, Tuesday, 27 October
Clear. High 58°, low 43°.
0Marlo Heights, Wednesday, 28 October
Clear. High 60°, low 43°.
0Marlo Heights, Thursday, 29 October
Overcast. High 62°, low 43°.
0Marlo Heights, Friday, 30 October
Overcast. High 58°, low 46°.
0.05
Marlo Heights, Saturday, 31 October
Climate normal for this date — 60-year average.
0.1Marlo Heights, Sunday, 1 November
Climate normal for this date — 60-year average.
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.
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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