Weather in Vienna, MD
Vienna, Thursday, 8 October, 20:03
Clear. Feels like 62°. High 78°, low 56°.
Monthly outlook for Vienna, MD: average high 69.6°, average low 51.4°. That is 1.4° above the climate normal for October. Precipitation is expected on 2 days (about 1.0 inches), against a normal of 4 days and 1.6 inches. The warmest day looks like 16 October (82.8°), the coolest 19 October (35.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 October – 17 October | 73.6° | 68.2° | +3° |
| 18 October – 27 October | 63° | 64.6° | -0.9° |
| 28 October – 6 November | at normal | 61.8° | — |
October records over 66 years
0
Vienna, Friday, 9 October
Overcast. High 76°, low 51°.
0Vienna, Saturday, 10 October
Overcast. High 72°, low 52°.
0.94
Vienna, Sunday, 11 October
Heavy rain. High 70°, low 61°.
0.06Vienna, Monday, 12 October
Light rain. High 72°, low 65°.
0
Vienna, Tuesday, 13 October
Clear. High 79°, low 62°.
0Vienna, Wednesday, 14 October
Clear. High 66°, low 53°.
0Vienna, Thursday, 15 October
Clear. High 68°, low 50°.
0Vienna, Friday, 16 October
Clear. High 83°, low 60°.
0
Vienna, Saturday, 17 October
Mostly clear. High 72°, low 51°.
0Vienna, Sunday, 18 October
Clear. High 54°, low 40°.
0Vienna, Monday, 19 October
Clear. High 54°, low 35°.
0Vienna, Tuesday, 20 October
Clear. High 62°, low 39°.
0Vienna, Wednesday, 21 October
Mostly clear. High 67°, low 44°.
0
Vienna, Thursday, 22 October
Partly cloudy. High 69°, low 48°.
0Vienna, Friday, 23 October
Mostly clear. High 72°, low 54°.
0.1Vienna, Saturday, 24 October
Climate normal for this date — 60-year average.
0.12Vienna, Sunday, 25 October
Climate normal for this date — 60-year average.
0.15Vienna, Monday, 26 October
Climate normal for this date — 60-year average.
0.13Vienna, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.13Vienna, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.23Vienna, Thursday, 29 October
Climate normal for this date — 60-year average.
0.09Vienna, Friday, 30 October
Climate normal for this date — 60-year average.
0.06Vienna, Saturday, 31 October
Climate normal for this date — 60-year average.
0.11Vienna, Sunday, 1 November
Climate normal for this date — 60-year average.
0.09Vienna, Monday, 2 November
Climate normal for this date — 60-year average.
0.08Vienna, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.08Vienna, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.11Vienna, Thursday, 5 November
Climate normal for this date — 60-year average.
0.09Vienna, Friday, 6 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 Vienna, MD 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 Vienna, MD 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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