Weather in Port Perry, PA
Port Perry, Saturday, 8 August, 22:09
Mostly clear. Feels like 78°. High 84°, low 68°.
Monthly outlook for Port Perry, PA: average high 78.9°, average low 60.1°. That is 0.7° below the climate normal for August. Precipitation is expected on 6 days (about 2.7 inches), against a normal of 7 days and 2.2 inches. The warmest day looks like 10 August (84.3°), the coolest 22 August (50.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 August – 17 August | 79.4° | 80.6° | -0.7° |
| 18 August – 27 August | 78.1° | 79.8° | -1° |
| 28 August – 6 September | at normal | 78.7° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Pittsburgh (7 mi).
0.03
Port Perry, Sunday, 9 August
Light rain. High 83°, low 69°.
1.7Port Perry, Monday, 10 August
Heavy rain. High 84°, low 64°.
0.14Port Perry, Tuesday, 11 August
Rain. High 80°, low 64°.
0.09Port Perry, Wednesday, 12 August
Light rain. High 79°, low 66°.
0.01Port Perry, Thursday, 13 August
Light rain. High 75°, low 60°.
0
Port Perry, Friday, 14 August
Clear. High 76°, low 54°.
0
Port Perry, Saturday, 15 August
Partly cloudy. High 76°, low 54°.
0Port Perry, Sunday, 16 August
Partly cloudy. High 80°, low 54°.
0.03Port Perry, Monday, 17 August
Light rain. High 76°, low 60°.
0Port Perry, Tuesday, 18 August
Clear. High 82°, low 59°.
0.46Port Perry, Wednesday, 19 August
Rain. High 83°, low 64°.
0.07Port Perry, Thursday, 20 August
Light rain. High 69°, low 59°.
0Port Perry, Friday, 21 August
Clear. High 74°, low 53°.
0.02Port Perry, Saturday, 22 August
Light rain. High 77°, low 51°.
0.02Port Perry, Sunday, 23 August
Light rain. High 83°, low 63°.
0.05Port Perry, Monday, 24 August
Climate normal for this date — 60-year average.
0.09Port Perry, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.09Port Perry, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.13
Port Perry, Thursday, 27 August
Climate normal for this date — 60-year average.
0.19Port Perry, Friday, 28 August
Climate normal for this date — 60-year average.
0.12Port Perry, Saturday, 29 August
Climate normal for this date — 60-year average.
0.14Port Perry, Sunday, 30 August
Climate normal for this date — 60-year average.
0.16Port Perry, Monday, 31 August
Climate normal for this date — 60-year average.
0.11Port Perry, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.13Port Perry, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.1Port Perry, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09Port Perry, Friday, 4 September
Climate normal for this date — 60-year average.
0.12Port Perry, Saturday, 5 September
Climate normal for this date — 60-year average.
0.14Port Perry, 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 Port Perry, 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 Port Perry, 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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