Weather in Mary Helen, KY
Mary Helen, Sunday, 9 August, 06:58
Overcast. Feels like 68°. High 81°, low 67°.
Monthly outlook for Mary Helen, KY: average high 87.8°, average low 66.7°. That is 3.3° above the climate normal for August. Precipitation is expected on 7 days (about 1.5 inches), against a normal of 7 days and 2.0 inches. The warmest day looks like 23 August (97.8°), the coolest 15 August (61.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 83.9° | 81.9° | +1.1° |
| 19 August – 28 August | 94.2° | 81.9° | +6.8° |
| 29 August – 7 September | at normal | 80.5° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Jonesville (12 mi).
0
Mary Helen, Monday, 10 August
Partly cloudy. High 87°, low 67°.
0Mary Helen, Tuesday, 11 August
Overcast. High 91°, low 67°.
0.28
Mary Helen, Wednesday, 12 August
Rain. High 91°, low 66°.
0.37Mary Helen, Thursday, 13 August
Rain. High 80°, low 65°.
0.29Mary Helen, Friday, 14 August
Light rain. High 76°, low 63°.
0.21Mary Helen, Saturday, 15 August
Light rain. High 75°, low 61°.
0.06Mary Helen, Sunday, 16 August
Light rain. High 91°, low 63°.
0.12Mary Helen, Monday, 17 August
Light rain. High 84°, low 65°.
0
Mary Helen, Tuesday, 18 August
Clear. High 84°, low 61°.
0Mary Helen, Wednesday, 19 August
Partly cloudy. High 87°, low 63°.
0Mary Helen, Thursday, 20 August
Partly cloudy. High 91°, low 67°.
0Mary Helen, Friday, 21 August
Partly cloudy. High 97°, low 70°.
0Mary Helen, Saturday, 22 August
Clear. High 97°, low 75°.
0Mary Helen, Sunday, 23 August
Clear. High 98°, low 74°.
0.01Mary Helen, Monday, 24 August
Light rain. High 95°, low 72°.
0.07Mary Helen, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.09Mary Helen, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.15
Mary Helen, Thursday, 27 August
Climate normal for this date — 60-year average.
0.09Mary Helen, Friday, 28 August
Climate normal for this date — 60-year average.
0.05Mary Helen, Saturday, 29 August
Climate normal for this date — 60-year average.
0.12Mary Helen, Sunday, 30 August
Climate normal for this date — 60-year average.
0.19Mary Helen, Monday, 31 August
Climate normal for this date — 60-year average.
0.16Mary Helen, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.09Mary Helen, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.08Mary Helen, Thursday, 3 September
Climate normal for this date — 60-year average.
0.1Mary Helen, Friday, 4 September
Climate normal for this date — 60-year average.
0.19Mary Helen, Saturday, 5 September
Climate normal for this date — 60-year average.
0.11Mary Helen, Sunday, 6 September
Climate normal for this date — 60-year average.
0.06
Mary Helen, Monday, 7 September
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 Mary Helen, KY 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 Mary Helen, KY 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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