Weather in State Line, PA
State Line, Sunday, 9 August, 01:49
Overcast. Feels like 73°. High 84°, low 71°.
Monthly outlook for State Line, PA: average high 84.3°, average low 63.1°. That is 0.6° above the climate normal for August. Precipitation is expected on 4 days (about 1.1 inches), against a normal of 5 days and 1.5 inches. The warmest day looks like 10 August (95.7°), the coolest 22 August (54°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 83.9° | 83.9° | -0° |
| 19 August – 28 August | 85.1° | 82.6° | +1.4° |
| 29 August – 7 September | at normal | 81.3° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Hagerstown (6 mi).
0.3
State Line, Monday, 10 August
Rain. High 96°, low 68°.
0.43State Line, Tuesday, 11 August
Heavy rain. High 87°, low 66°.
0.03State Line, Wednesday, 12 August
Light rain. High 90°, low 67°.
0.04State Line, Thursday, 13 August
Light rain. High 82°, low 63°.
0State Line, Friday, 14 August
Overcast. High 80°, low 57°.
0
State Line, Saturday, 15 August
Clear. High 82°, low 57°.
0
State Line, Sunday, 16 August
Partly cloudy. High 84°, low 56°.
0.03State Line, Monday, 17 August
Light rain. High 77°, low 67°.
0.04State Line, Tuesday, 18 August
Light rain. High 77°, low 66°.
0.09State Line, Wednesday, 19 August
Light rain. High 89°, low 64°.
0.13State Line, Thursday, 20 August
Light rain. High 78°, low 65°.
0State Line, Friday, 21 August
Clear. High 81°, low 55°.
0State Line, Saturday, 22 August
Partly cloudy. High 84°, low 54°.
0State Line, Sunday, 23 August
Overcast. High 89°, low 67°.
0State Line, Monday, 24 August
Clear. High 90°, low 68°.
0.05
State Line, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.05State Line, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.13
State Line, Thursday, 27 August
Climate normal for this date — 60-year average.
0.14State Line, Friday, 28 August
Climate normal for this date — 60-year average.
0.06State Line, Saturday, 29 August
Climate normal for this date — 60-year average.
0.04State Line, Sunday, 30 August
Climate normal for this date — 60-year average.
0.08State Line, Monday, 31 August
Climate normal for this date — 60-year average.
0.11State Line, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.08State Line, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.05State Line, Thursday, 3 September
Climate normal for this date — 60-year average.
0.1State Line, Friday, 4 September
Climate normal for this date — 60-year average.
0.07State Line, Saturday, 5 September
Climate normal for this date — 60-year average.
0.21State Line, Sunday, 6 September
Climate normal for this date — 60-year average.
0.1State Line, 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 State Line, 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 State Line, 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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