Weather in Halley Estates, MD
Halley Estates, Saturday, 10 October, 00:42
Overcast. Feels like 55°. High 71°, low 53°.
Monthly outlook for Halley Estates, MD: average high 69.6°, average low 51.1°. That is 1.8° above the climate normal for October. Precipitation is expected on 6 days (about 3.0 inches), against a normal of 4 days and 1.7 inches. The warmest day looks like 13 October (81.5°), the coolest 19 October (35.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 10 October – 19 October | 71.1° | 67.4° | +2.1° |
| 20 October – 29 October | 67.2° | 63.8° | +1.9° |
| 30 October – 8 November | at normal | 61° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Hybla Valley (13 mi).
1.28
Halley Estates, Sunday, 11 October
Heavy rain. High 75°, low 55°.
0.1Halley Estates, Monday, 12 October
Rain. High 75°, low 63°.
0
Halley Estates, Tuesday, 13 October
Clear. High 81°, low 56°.
0.03Halley Estates, Wednesday, 14 October
Light rain. High 80°, low 65°.
0.17Halley Estates, Thursday, 15 October
Rain. High 67°, low 52°.
0.2Halley Estates, Friday, 16 October
Light rain. High 77°, low 53°.
0.3Halley Estates, Saturday, 17 October
Rain. High 73°, low 45°.
0
Halley Estates, Sunday, 18 October
Partly cloudy. High 55°, low 40°.
0Halley Estates, Monday, 19 October
Clear. High 57°, low 36°.
0Halley Estates, Tuesday, 20 October
Clear. High 60°, low 39°.
0Halley Estates, Wednesday, 21 October
Light rain. High 64°, low 45°.
0Halley Estates, Thursday, 22 October
Overcast. High 67°, low 50°.
0.86Halley Estates, Friday, 23 October
Rain. High 67°, low 60°.
0Halley Estates, Saturday, 24 October
Partly cloudy. High 73°, low 53°.
0Halley Estates, Sunday, 25 October
Overcast. High 72°, low 55°.
0.15Halley Estates, Monday, 26 October
Climate normal for this date — 60-year average.
0.15Halley Estates, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.1Halley Estates, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.22Halley Estates, Thursday, 29 October
Climate normal for this date — 60-year average.
0.12Halley Estates, Friday, 30 October
Climate normal for this date — 60-year average.
0.05
Halley Estates, Saturday, 31 October
Climate normal for this date — 60-year average.
0.1Halley Estates, Sunday, 1 November
Climate normal for this date — 60-year average.
0.11Halley Estates, Monday, 2 November
Climate normal for this date — 60-year average.
0.06Halley Estates, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.12Halley Estates, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.09Halley Estates, Thursday, 5 November
Climate normal for this date — 60-year average.
0.07Halley Estates, Friday, 6 November
Climate normal for this date — 60-year average.
0.09Halley Estates, Saturday, 7 November
Climate normal for this date — 60-year average.
0.15Halley Estates, Sunday, 8 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 Halley Estates, 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 Halley Estates, 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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