Weather in Saint Johns, PA
Saint Johns, Sunday, 18 October, 07:03
Clear. Feels like 30°. High 57°, low 30°.
Monthly outlook for Saint Johns, PA: average high 59.9°, average low 41.8°. That is 1.7° above the climate normal for October. Precipitation is expected on 2 days (about 1.0 inches), against a normal of 5 days and 2.0 inches. The warmest day looks like 2 November (71.1°), the coolest 18 October (29.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 18 October – 27 October | 57.5° | 57.7° | -0.1° |
| 28 October – 6 November | 63.8° | 54.6° | +5.1° |
| 7 November – 16 November | at normal | 49.5° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Conyngham (4 mi).
0
Saint Johns, Monday, 19 October
Clear. High 62°, low 38°.
0Saint Johns, Tuesday, 20 October
Clear. High 66°, low 45°.
0Saint Johns, Wednesday, 21 October
Clear. High 61°, low 40°.
0Saint Johns, Thursday, 22 October
Clear. High 63°, low 39°.
0
Saint Johns, Friday, 23 October
Mostly clear. High 52°, low 39°.
0Saint Johns, Saturday, 24 October
Clear. High 54°, low 34°.
0
Saint Johns, Sunday, 25 October
Overcast. High 55°, low 37°.
0.01
Saint Johns, Monday, 26 October
Light rain. High 51°, low 39°.
0Saint Johns, Tuesday, 27 October
Mostly clear. High 54°, low 35°.
0Saint Johns, Wednesday, 28 October
Overcast. High 57°, low 37°.
0.37Saint Johns, Thursday, 29 October
Rain. High 59°, low 47°.
0.65Saint Johns, Friday, 30 October
Heavy rain. High 62°, low 51°.
0
Saint Johns, Saturday, 31 October
Partly cloudy. High 65°, low 49°.
0Saint Johns, Sunday, 1 November
Overcast. High 68°, low 54°.
0Saint Johns, Monday, 2 November
Mostly clear. High 71°, low 54°.
0.09Saint Johns, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.08Saint Johns, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.1
Saint Johns, Thursday, 5 November
Climate normal for this date — 60-year average.
0.07Saint Johns, Friday, 6 November
Climate normal for this date — 60-year average.
0.07Saint Johns, Saturday, 7 November
Climate normal for this date — 60-year average.
0.16Saint Johns, Sunday, 8 November
Climate normal for this date — 60-year average.
0.1Saint Johns, Monday, 9 November
Climate normal for this date — 60-year average.
0.17Saint Johns, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.13Saint Johns, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.17Saint Johns, Thursday, 12 November
Climate normal for this date — 60-year average.
0.1Saint Johns, Friday, 13 November
Climate normal for this date — 60-year average.
0.07Saint Johns, Saturday, 14 November
Climate normal for this date — 60-year average.
0.13Saint Johns, Sunday, 15 November
Climate normal for this date — 60-year average.
0.15Saint Johns, Monday, 16 November
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 Saint Johns, 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 Saint Johns, 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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