Weather in Halley Estates, MD
Halley Estates, Saturday, 10 October, 05:40
Overcast. Feels like 52°. High 70°, low 52°.
Monthly outlook for Halley Estates, MD: average high 67.6°, average low 50.2°. That is 0.7° above the climate normal for October. Precipitation is expected on 5 days (about 1.8 inches), against a normal of 4 days and 1.7 inches. The warmest day looks like 14 October (83.9°), the coolest 20 October (36°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 10 October – 19 October | 71.2° | 67.4° | +2.1° |
| 20 October – 29 October | 61.6° | 63.8° | -1.2° |
| 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).
1.05
Halley Estates, Sunday, 11 October
Heavy rain. High 69°, low 55°.
0.06Halley Estates, Monday, 12 October
Light rain. High 75°, low 62°.
0
Halley Estates, Tuesday, 13 October
Clear. High 80°, low 58°.
0.01Halley Estates, Wednesday, 14 October
Light rain. High 84°, low 64°.
0Halley Estates, Thursday, 15 October
Clear. High 68°, low 56°.
0.13Halley Estates, Friday, 16 October
Light rain. High 80°, low 57°.
0.39Halley Estates, Saturday, 17 October
Light rain. High 72°, low 56°.
0.17Halley Estates, Sunday, 18 October
Light rain. High 59°, low 50°.
0Halley Estates, Monday, 19 October
Clear. High 53°, low 40°.
0Halley Estates, Tuesday, 20 October
Clear. High 57°, low 36°.
0Halley Estates, Wednesday, 21 October
Clear. High 62°, low 38°.
0Halley Estates, Thursday, 22 October
Clear. High 63°, low 42°.
0
Halley Estates, Friday, 23 October
Mostly clear. High 65°, low 45°.
0Halley Estates, Saturday, 24 October
Overcast. High 61°, low 48°.
0Halley Estates, Sunday, 25 October
Light rain. High 60°, low 45°.
0.15
Halley 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.
0.05Halley 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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