Weather in Swatara Crest, PA
Swatara Crest, Sunday, 9 August, 10:28
Clear. Feels like 88°. High 87°, low 71°.
Monthly outlook for Swatara Crest, PA: average high 81.2°, average low 60.8°. That is 0.5° below the climate normal for August. Precipitation is expected on 3 days (about 0.5 inches), against a normal of 5 days and 1.7 inches. The warmest day looks like 22 August (90.5°), the coolest 16 August (51.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 80.6° | 82.8° | -1.3° |
| 19 August – 28 August | 82.3° | 81.6° | +0.4° |
| 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 (12 mi).
0.02
Swatara Crest, Monday, 10 August
Light rain. High 88°, low 67°.
0.11Swatara Crest, Tuesday, 11 August
Rain. High 86°, low 67°.
0.02Swatara Crest, Wednesday, 12 August
Light rain. High 84°, low 63°.
0
Swatara Crest, Thursday, 13 August
Overcast. High 81°, low 65°.
0Swatara Crest, Friday, 14 August
Overcast. High 73°, low 59°.
0Swatara Crest, Saturday, 15 August
Overcast. High 74°, low 53°.
0.01Swatara Crest, Sunday, 16 August
Light rain. High 72°, low 51°.
0.01Swatara Crest, Monday, 17 August
Light rain. High 77°, low 59°.
0Swatara Crest, Tuesday, 18 August
Overcast. High 84°, low 59°.
0.28Swatara Crest, Wednesday, 19 August
Rain. High 82°, low 62°.
0Swatara Crest, Thursday, 20 August
Clear. High 78°, low 61°.
0Swatara Crest, Friday, 21 August
Clear. High 81°, low 56°.
0Swatara Crest, Saturday, 22 August
Clear. High 91°, low 58°.
0.06Swatara Crest, Sunday, 23 August
Light rain. High 83°, low 65°.
0Swatara Crest, Monday, 24 August
Clear. High 79°, low 54°.
0.05
Swatara Crest, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.05Swatara Crest, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.15
Swatara Crest, Thursday, 27 August
Climate normal for this date — 60-year average.
0.17Swatara Crest, Friday, 28 August
Climate normal for this date — 60-year average.
0.09Swatara Crest, Saturday, 29 August
Climate normal for this date — 60-year average.
0.06Swatara Crest, Sunday, 30 August
Climate normal for this date — 60-year average.
0.08Swatara Crest, Monday, 31 August
Climate normal for this date — 60-year average.
0.12Swatara Crest, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.12Swatara Crest, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.06Swatara Crest, Thursday, 3 September
Climate normal for this date — 60-year average.
0.11Swatara Crest, Friday, 4 September
Climate normal for this date — 60-year average.
0.07Swatara Crest, Saturday, 5 September
Climate normal for this date — 60-year average.
0.18Swatara Crest, Sunday, 6 September
Climate normal for this date — 60-year average.
0.11Swatara Crest, 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 Swatara Crest, 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 Swatara Crest, 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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