Weather in West Norriton, PA
West Norriton, Sunday, 9 August, 12:05
Clear. Feels like 97°. High 88°, low 71°.
Monthly outlook for West Norriton, PA: average high 82°, average low 65.4°. That is 0° above the climate normal for August. Precipitation is expected on 3 days (about 0.3 inches), against a normal of 6 days and 2.1 inches. The warmest day looks like 11 August (88.9°), the coolest 15 August (57.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 80.9° | 82.7° | -1° |
| 19 August – 28 August | 83.8° | 81.3° | +1.4° |
| 29 August – 7 September | at normal | 80° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Bryn Mawr (8 mi).
0West Norriton, Monday, 10 August
Clear. High 89°, low 72°.
0
West Norriton, Tuesday, 11 August
Overcast. High 89°, low 73°.
0.02
West Norriton, Wednesday, 12 August
Light rain. High 85°, low 69°.
0West Norriton, Thursday, 13 August
Light rain. High 84°, low 69°.
0West Norriton, Friday, 14 August
Overcast. High 73°, low 63°.
0West Norriton, Saturday, 15 August
Overcast. High 77°, low 57°.
0West Norriton, Sunday, 16 August
Overcast. High 76°, low 59°.
0.15West Norriton, Monday, 17 August
Light rain. High 67°, low 62°.
0West Norriton, Tuesday, 18 August
Overcast. High 82°, low 60°.
0.05West Norriton, Wednesday, 19 August
Light rain. High 83°, low 67°.
0.01West Norriton, Thursday, 20 August
Light rain. High 83°, low 67°.
0West Norriton, Friday, 21 August
Clear. High 82°, low 60°.
0West Norriton, Saturday, 22 August
Clear. High 88°, low 65°.
0.1West Norriton, Sunday, 23 August
Light rain. High 85°, low 71°.
0West Norriton, Monday, 24 August
Clear. High 80°, low 62°.
0.06
West Norriton, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.06
West Norriton, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.18
West Norriton, Thursday, 27 August
Climate normal for this date — 60-year average.
0.24West Norriton, Friday, 28 August
Climate normal for this date — 60-year average.
0.11West Norriton, Saturday, 29 August
Climate normal for this date — 60-year average.
0.06West Norriton, Sunday, 30 August
Climate normal for this date — 60-year average.
0.07West Norriton, Monday, 31 August
Climate normal for this date — 60-year average.
0.14West Norriton, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.11West Norriton, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.15West Norriton, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09West Norriton, Friday, 4 September
Climate normal for this date — 60-year average.
0.08West Norriton, Saturday, 5 September
Climate normal for this date — 60-year average.
0.21West Norriton, Sunday, 6 September
Climate normal for this date — 60-year average.
0.11West Norriton, 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 West Norriton, 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 West Norriton, 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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