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As of 14:16 EDT

Weather in Upper Darby, PA

87°Current weather

Upper Darby, Saturday, 8 August, 14:16

Partly cloudy. Feels like 95°. High 87°, low 71°.

Pressure29.97 inHg
Wind7 mph W
Humidity64%
Visibility6.2 mi
Dew point73°
Sun, 0989° / 71°0.02Light rain
89 °Light rain

Upper Darby, Sunday, 9 August

Light rain. High 89°, low 71°.

Pressure30.00 inHg
Wind7 mph W
Humidity45%
Visibility6.2 mi
Dew point65°
Mon, 1092° / 73°0Partly cloudy
92 °Partly cloudy

Upper Darby, Monday, 10 August

Partly cloudy. High 92°, low 73°.

Pressure30.00 inHg
Wind7.1 mph W
Humidity38%
Visibility6.2 mi
Dew point61°
Tue, 1189° / 76°0.22Rain
89 °Rain

Upper Darby, Tuesday, 11 August

Rain. High 89°, low 76°.

Pressure29.94 inHg
Wind8 mph NW
Humidity80%
Visibility6.2 mi
Dew point71°
Wed, 1283° / 72°0.02Light rain
83 °Light rain

Upper Darby, Wednesday, 12 August

Light rain. High 83°, low 72°.

Pressure29.80 inHg
Wind11.1 mph W
Humidity63%
Visibility6.2 mi
Dew point66°
Thu, 1390° / 73°0.11Light rain
90 °Light rain

Upper Darby, Thursday, 13 August

Light rain. High 90°, low 73°.

Pressure29.74 inHg
Wind10.8 mph W
Humidity46%
Visibility—
Dew point64°
Fri, 1481° / 67°0.62Heavy rain
81 °Heavy rain

Upper Darby, Friday, 14 August

Heavy rain. High 81°, low 67°.

Pressure29.97 inHg
Wind10.3 mph NW
Humidity37%
Visibility—
Dew point49°
Sat, 1579° / 64°0Clear
79 °Clear

Upper Darby, Saturday, 15 August

Clear. High 79°, low 64°.

Pressure30.12 inHg
Wind9.6 mph W
Humidity33%
Visibility—
Dew point46°
Sun, 1684° / 66°0Clear
84 °Clear

Upper Darby, Sunday, 16 August

Clear. High 84°, low 66°.

Pressure30.15 inHg
Wind8.5 mph W
Humidity34%
Visibility—
Dew point51°
Mon, 1770° / 63°0.16Rain
70 °Rain

Upper Darby, Monday, 17 August

Rain. High 70°, low 63°.

Pressure30.21 inHg
Wind7.8 mph NE
Humidity69%
Visibility—
Dew point56°
Tue, 1869° / 63°0.19Light rain
69 °Light rain

Upper Darby, Tuesday, 18 August

Light rain. High 69°, low 63°.

Pressure30.09 inHg
Wind11.2 mph E
Humidity92%
Visibility—
Dew point63°
Wed, 1984° / 68°0.1Light rain
84 °Light rain

Upper Darby, Wednesday, 19 August

Light rain. High 84°, low 68°.

Pressure29.85 inHg
Wind9.3 mph W
Humidity74%
Visibility—
Dew point69°
Thu, 2072° / 59°0.22Light rain
72 °Light rain

Upper Darby, Thursday, 20 August

Light rain. High 72°, low 59°.

Pressure29.94 inHg
Wind9.7 mph N
Humidity92%
Visibility—
Dew point63°
Fri, 2173° / 55°0Clear
73 °Clear

Upper Darby, Friday, 21 August

Clear. High 73°, low 55°.

Pressure30.03 inHg
Wind10.8 mph N
Humidity28%
Visibility—
Dew point35°
Sat, 2274° / 56°0Clear
74 °Clear

Upper Darby, Saturday, 22 August

Clear. High 74°, low 56°.

Pressure30.03 inHg
Wind11.9 mph NW
Humidity29%
Visibility—
Dew point38°
Sun, 2379° / 59°0Clear
79 °Clear

Upper Darby, Sunday, 23 August

Clear. High 79°, low 59°.

Pressure30.06 inHg
Wind7.9 mph W
Humidity31%
Visibility—
Dew point44°

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 Upper Darby, 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 Upper Darby, 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.