Weather in Hartly, DE
Hartly, Saturday, 10 October, 23:29
Overcast. Feels like 63°. High 71°, low 49°.
Monthly outlook for Hartly, DE: average high 65.1°, average low 46.9°. That is 0.4° below the climate normal for October. Precipitation is expected on 3 days (about 1.2 inches), against a normal of 4 days and 1.7 inches. The warmest day looks like 14 October (81.2°), the coolest 19 October (32.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 10 October – 19 October | 67.9° | 66.7° | +0.7° |
| 20 October – 29 October | 60.4° | 63.2° | -1.5° |
| 30 October – 8 November | at normal | 60.4° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Marydel (4 mi).
0.87
Hartly, Sunday, 11 October
Rain. High 68°, low 57°.
0.15Hartly, Monday, 12 October
Rain. High 73°, low 57°.
0
Hartly, Tuesday, 13 October
Clear. High 77°, low 58°.
0.2Hartly, Wednesday, 14 October
Rain. High 81°, low 66°.
0.01Hartly, Thursday, 15 October
Light rain. High 68°, low 52°.
0Hartly, Friday, 16 October
Overcast. High 71°, low 48°.
0.01Hartly, Saturday, 17 October
Light rain. High 70°, low 45°.
0Hartly, Sunday, 18 October
Clear. High 48°, low 38°.
0Hartly, Monday, 19 October
Clear. High 51°, low 33°.
0
Hartly, Tuesday, 20 October
Partly cloudy. High 58°, low 37°.
0Hartly, Wednesday, 21 October
Clear. High 61°, low 41°.
0Hartly, Thursday, 22 October
Clear. High 67°, low 44°.
0Hartly, Friday, 23 October
Partly cloudy. High 66°, low 50°.
0Hartly, Saturday, 24 October
Overcast. High 54°, low 40°.
0Hartly, Sunday, 25 October
Clear. High 56°, low 37°.
0.15Hartly, Monday, 26 October
Climate normal for this date — 60-year average.
0.15Hartly, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.13Hartly, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.28
Hartly, Thursday, 29 October
Climate normal for this date — 60-year average.
0.09Hartly, Friday, 30 October
Climate normal for this date — 60-year average.
0.06Hartly, Saturday, 31 October
Climate normal for this date — 60-year average.
0.1Hartly, Sunday, 1 November
Climate normal for this date — 60-year average.
0.07Hartly, Monday, 2 November
Climate normal for this date — 60-year average.
0.07Hartly, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.07Hartly, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.1Hartly, Thursday, 5 November
Climate normal for this date — 60-year average.
0.07Hartly, Friday, 6 November
Climate normal for this date — 60-year average.
0.09Hartly, Saturday, 7 November
Climate normal for this date — 60-year average.
0.09Hartly, 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 Hartly, DE 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 Hartly, DE 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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