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As of 21:24 EDT

Weather in Greendale, PA

70°Current weather

Greendale, Saturday, 8 August, 21:24

Partly cloudy. Feels like 71°. High 79°, low 64°.

Pressure29.97 inHg
Wind4.4 mph SW
Humidity93%
Visibility6.2 mi
Dew point67°
Sun, 0982° / 64°0Clear
82 °Clear

Greendale, Sunday, 9 August

Clear. High 82°, low 64°.

Pressure30.06 inHg
Wind3.7 mph W
Humidity50%
Visibility6.2 mi
Dew point59°
Mon, 1071° / 63°0.04Light rain
71 °Light rain

Greendale, Monday, 10 August

Light rain. High 71°, low 63°.

Pressure30.00 inHg
Wind10.5 mph SW
Humidity79%
Visibility6.2 mi
Dew point64°
Tue, 1183° / 60°0.41Rain
83 °Rain

Greendale, Tuesday, 11 August

Rain. High 83°, low 60°.

Pressure29.94 inHg
Wind6.5 mph W
Humidity61%
Visibility6.2 mi
Dew point63°
Wed, 1280° / 61°0.21Light rain
80 °Light rain

Greendale, Wednesday, 12 August

Light rain. High 80°, low 61°.

Pressure29.77 inHg
Wind6.2 mph NW
Humidity83%
Visibility6.2 mi
Dew point64°
Thu, 1369° / 50°0.02Light rain
69 °Light rain

Greendale, Thursday, 13 August

Light rain. High 69°, low 50°.

Pressure29.91 inHg
Wind13.6 mph NW
Humidity42%
Visibility—
Dew point43°
Fri, 1469° / 46°0.01Light rain
69 °Light rain

Greendale, Friday, 14 August

Light rain. High 69°, low 46°.

Pressure30.06 inHg
Wind12.1 mph NW
Humidity47%
Visibility—
Dew point46°
Sat, 1571° / 48°0Clear
71 °Clear

Greendale, Saturday, 15 August

Clear. High 71°, low 48°.

Pressure30.24 inHg
Wind9.1 mph N
Humidity39%
Visibility—
Dew point43°
Sun, 1674° / 49°0Overcast
74 °Overcast

Greendale, Sunday, 16 August

Overcast. High 74°, low 49°.

Pressure30.18 inHg
Wind3.6 mph E
Humidity37%
Visibility—
Dew point44°
Mon, 1778° / 55°0Overcast
78 °Overcast

Greendale, Monday, 17 August

Overcast. High 78°, low 55°.

Pressure30.03 inHg
Wind5.1 mph SW
Humidity39%
Visibility—
Dew point48°
Tue, 1880° / 56°0.01Light rain
80 °Light rain

Greendale, Tuesday, 18 August

Light rain. High 80°, low 56°.

Pressure30.00 inHg
Wind4.4 mph SE
Humidity39%
Visibility—
Dew point51°
Wed, 1980° / 59°0.51Rain
80 °Rain

Greendale, Wednesday, 19 August

Rain. High 80°, low 59°.

Pressure29.80 inHg
Wind11.3 mph W
Humidity49%
Visibility—
Dew point57°
Thu, 2064° / 52°0.07Light rain
64 °Light rain

Greendale, Thursday, 20 August

Light rain. High 64°, low 52°.

Pressure29.77 inHg
Wind12.9 mph NW
Humidity91%
Visibility—
Dew point57°
Fri, 2169° / 47°0Clear
69 °Clear

Greendale, Friday, 21 August

Clear. High 69°, low 47°.

Pressure29.97 inHg
Wind10.9 mph N
Humidity37%
Visibility—
Dew point40°
Sat, 2273° / 46°0Overcast
73 °Overcast

Greendale, Saturday, 22 August

Overcast. High 73°, low 46°.

Pressure30.06 inHg
Wind5.2 mph S
Humidity32%
Visibility—
Dew point38°
Sun, 2382° / 59°0.07Light rain
82 °Light rain

Greendale, Sunday, 23 August

Light rain. High 82°, low 59°.

Pressure29.91 inHg
Wind10.8 mph SW
Humidity75%
Visibility—
Dew point65°

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 Greendale, 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 Greendale, 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.