Weather in Welsh Run, PA
Welsh Run, Saturday, 8 August, 18:26
Overcast. Feels like 103°. High 90°, low 70°.
Monthly outlook for Welsh Run, PA: average high 83.6°, average low 63.2°. That is 0.2° above the climate normal for August. Precipitation is expected on 6 days (about 1.1 inches), against a normal of 5 days and 1.5 inches. The warmest day looks like 10 August (95.6°), the coolest 15 August (53.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 August – 17 August | 86.3° | 84.1° | +1.2° |
| 18 August – 27 August | 79.3° | 82.5° | -1.8° |
| 28 August – 6 September | at normal | 81.7° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Hagerstown (11 mi).
0
Welsh Run, Sunday, 9 August
Partly cloudy. High 87°, low 70°.
0.11
Welsh Run, Monday, 10 August
Light rain. High 96°, low 69°.
0.05Welsh Run, Tuesday, 11 August
Light rain. High 90°, low 68°.
0.47Welsh Run, Wednesday, 12 August
Rain. High 83°, low 66°.
0.02Welsh Run, Thursday, 13 August
Light rain. High 87°, low 67°.
0.07Welsh Run, Friday, 14 August
Light rain. High 80°, low 60°.
0
Welsh Run, Saturday, 15 August
Clear. High 79°, low 54°.
0Welsh Run, Sunday, 16 August
Clear. High 82°, low 54°.
0Welsh Run, Monday, 17 August
Partly cloudy. High 88°, low 59°.
0.25Welsh Run, Tuesday, 18 August
Rain. High 76°, low 66°.
0Welsh Run, Wednesday, 19 August
Partly cloudy. High 85°, low 66°.
0.01Welsh Run, Thursday, 20 August
Light rain. High 83°, low 60°.
0.13Welsh Run, Friday, 21 August
Light rain. High 69°, low 61°.
0Welsh Run, Saturday, 22 August
Clear. High 86°, low 65°.
0Welsh Run, Sunday, 23 August
Clear. High 77°, low 57°.
0.06Welsh Run, Monday, 24 August
Climate normal for this date — 60-year average.
0.05
Welsh Run, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.05Welsh Run, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.13
Welsh Run, Thursday, 27 August
Climate normal for this date — 60-year average.
0.14Welsh Run, Friday, 28 August
Climate normal for this date — 60-year average.
0.06Welsh Run, Saturday, 29 August
Climate normal for this date — 60-year average.
0.04Welsh Run, Sunday, 30 August
Climate normal for this date — 60-year average.
0.08Welsh Run, Monday, 31 August
Climate normal for this date — 60-year average.
0.11Welsh Run, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.08Welsh Run, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.05Welsh Run, Thursday, 3 September
Climate normal for this date — 60-year average.
0.1Welsh Run, Friday, 4 September
Climate normal for this date — 60-year average.
0.07Welsh Run, Saturday, 5 September
Climate normal for this date — 60-year average.
0.21Welsh Run, Sunday, 6 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 Welsh Run, PA 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 Welsh Run, PA 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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