Weather in Rossmoyne Manor, PA
Rossmoyne Manor, Sunday, 9 August, 11:32
Clear. Feels like 92°. High 87°, low 71°.
Monthly outlook for Rossmoyne Manor, PA: average high 81.7°, average low 62°. That is 0.2° below the climate normal for August. Precipitation is expected on 3 days (about 0.6 inches), against a normal of 5 days and 1.7 inches. The warmest day looks like 22 August (91.2°), the coolest 16 August (52.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 80.9° | 82.8° | -1.1° |
| 19 August – 28 August | 82.9° | 81.6° | +0.7° |
| 29 August – 7 September | at normal | 80.1° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Messiah College (4 mi).
0.03
Rossmoyne Manor, Monday, 10 August
Light rain. High 89°, low 68°.
0.11Rossmoyne Manor, Tuesday, 11 August
Rain. High 86°, low 68°.
0.02Rossmoyne Manor, Wednesday, 12 August
Light rain. High 84°, low 65°.
0Rossmoyne Manor, Thursday, 13 August
Light rain. High 81°, low 66°.
0
Rossmoyne Manor, Friday, 14 August
Overcast. High 73°, low 61°.
0Rossmoyne Manor, Saturday, 15 August
Overcast. High 75°, low 55°.
0.01Rossmoyne Manor, Sunday, 16 August
Light rain. High 71°, low 53°.
0Rossmoyne Manor, Monday, 17 August
Light rain. High 78°, low 60°.
0Rossmoyne Manor, Tuesday, 18 August
Overcast. High 84°, low 60°.
0.28Rossmoyne Manor, Wednesday, 19 August
Rain. High 83°, low 64°.
0.01Rossmoyne Manor, Thursday, 20 August
Light rain. High 78°, low 62°.
0Rossmoyne Manor, Friday, 21 August
Clear. High 81°, low 57°.
0Rossmoyne Manor, Saturday, 22 August
Clear. High 91°, low 60°.
0.08Rossmoyne Manor, Sunday, 23 August
Light rain. High 84°, low 65°.
0Rossmoyne Manor, Monday, 24 August
Clear. High 79°, low 56°.
0.05
Rossmoyne Manor, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.05Rossmoyne Manor, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.15
Rossmoyne Manor, Thursday, 27 August
Climate normal for this date — 60-year average.
0.17Rossmoyne Manor, Friday, 28 August
Climate normal for this date — 60-year average.
0.09Rossmoyne Manor, Saturday, 29 August
Climate normal for this date — 60-year average.
0.06Rossmoyne Manor, Sunday, 30 August
Climate normal for this date — 60-year average.
0.08Rossmoyne Manor, Monday, 31 August
Climate normal for this date — 60-year average.
0.12Rossmoyne Manor, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.12Rossmoyne Manor, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.06Rossmoyne Manor, Thursday, 3 September
Climate normal for this date — 60-year average.
0.11Rossmoyne Manor, Friday, 4 September
Climate normal for this date — 60-year average.
0.07Rossmoyne Manor, Saturday, 5 September
Climate normal for this date — 60-year average.
0.18Rossmoyne Manor, Sunday, 6 September
Climate normal for this date — 60-year average.
0.11Rossmoyne Manor, 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 Rossmoyne Manor, 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 Rossmoyne Manor, 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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