Weather in Green Lawn, PA
Green Lawn, Sunday, 9 August, 08:27
Overcast. Feels like 76°. High 84°, low 72°.
Monthly outlook for Green Lawn, PA: average high 83.5°, average low 65.6°. That is 1.1° above the climate normal for August. Precipitation is expected on 3 days (about 0.5 inches), against a normal of 6 days and 2.1 inches. The warmest day looks like 23 August (91.8°), the coolest 16 August (54.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 80.1° | 82.3° | -1.3° |
| 19 August – 28 August | 89.3° | 81.1° | +4.6° |
| 29 August – 7 September | at normal | 79.8° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Lincoln University (7 mi).
0
Green Lawn, Monday, 10 August
Mostly clear. High 86°, low 70°.
0.07
Green Lawn, Tuesday, 11 August
Rain. High 85°, low 69°.
0.01Green Lawn, Wednesday, 12 August
Light rain. High 82°, low 68°.
0.03Green Lawn, Thursday, 13 August
Light rain. High 80°, low 65°.
0Green Lawn, Friday, 14 August
Overcast. High 74°, low 58°.
0
Green Lawn, Saturday, 15 August
Clear. High 75°, low 56°.
0Green Lawn, Sunday, 16 August
Overcast. High 76°, low 55°.
0Green Lawn, Monday, 17 August
Overcast. High 75°, low 59°.
0Green Lawn, Tuesday, 18 August
Mostly clear. High 84°, low 63°.
0Green Lawn, Wednesday, 19 August
Clear. High 86°, low 65°.
0
Green Lawn, Thursday, 20 August
Partly cloudy. High 87°, low 65°.
0.28Green Lawn, Friday, 21 August
Rain. High 91°, low 68°.
0.08Green Lawn, Saturday, 22 August
Light rain. High 90°, low 72°.
0Green Lawn, Sunday, 23 August
Clear. High 92°, low 70°.
0.02Green Lawn, Monday, 24 August
Light rain. High 90°, low 75°.
0.06Green Lawn, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.07Green Lawn, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.18
Green Lawn, Thursday, 27 August
Climate normal for this date — 60-year average.
0.19Green Lawn, Friday, 28 August
Climate normal for this date — 60-year average.
0.1Green Lawn, Saturday, 29 August
Climate normal for this date — 60-year average.
0.07Green Lawn, Sunday, 30 August
Climate normal for this date — 60-year average.
0.08Green Lawn, Monday, 31 August
Climate normal for this date — 60-year average.
0.14Green Lawn, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.1Green Lawn, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.11Green Lawn, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09Green Lawn, Friday, 4 September
Climate normal for this date — 60-year average.
0.11Green Lawn, Saturday, 5 September
Climate normal for this date — 60-year average.
0.23Green Lawn, Sunday, 6 September
Climate normal for this date — 60-year average.
0.09Green Lawn, 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 Green Lawn, 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 Green Lawn, 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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