Weather in Marlo Heights, VA
Marlo Heights, Monday, 19 October, 07:20
Clear. Feels like 36°. High 66°, low 38°.
Monthly outlook for Marlo Heights, VA: average high 60.8°, average low 42.4°. That is 1° below the climate normal for October. Precipitation is expected on 0 days (about 0.0 inches), against a normal of 4 days and 1.9 inches. The warmest day looks like 28 October (72°), the coolest 31 October (34.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 19 October – 28 October | 64.5° | 63.4° | +0.6° |
| 29 October – 7 November | 54.7° | 60.4° | -3.2° |
| 8 November – 17 November | at normal | 55.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — West Falls Church (1 mi).
0
Marlo Heights, Tuesday, 20 October
Clear. High 68°, low 44°.
0Marlo Heights, Wednesday, 21 October
Clear. High 62°, low 44°.
0Marlo Heights, Thursday, 22 October
Clear. High 64°, low 43°.
0
Marlo Heights, Friday, 23 October
Overcast. High 57°, low 43°.
0Marlo Heights, Saturday, 24 October
Clear. High 55°, low 38°.
0Marlo Heights, Sunday, 25 October
Clear. High 63°, low 46°.
0Marlo Heights, Monday, 26 October
Overcast. High 68°, low 47°.
0
Marlo Heights, Tuesday, 27 October
Partly cloudy. High 71°, low 54°.
0Marlo Heights, Wednesday, 28 October
Overcast. High 72°, low 50°.
0Marlo Heights, Thursday, 29 October
Overcast. High 49°, low 41°.
0Marlo Heights, Friday, 30 October
Clear. High 49°, low 35°.
0Marlo Heights, Saturday, 31 October
Clear. High 51°, low 34°.
0Marlo Heights, Sunday, 1 November
Overcast. High 56°, low 36°.
0Marlo Heights, Monday, 2 November
Clear. High 61°, low 40°.
0Marlo Heights, Tuesday, 3 November
Overcast. High 62°, low 45°.
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.
0.06
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.
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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