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As of 03:16 EDT

Weather in Chestnuthill, PA

68°Current weather

Chestnuthill, Sunday, 9 August, 03:16

Clear. Feels like 69°. High 82°, low 68°.

Pressure29.97 inHg
Wind3.7 mph W
Humidity92%
Visibility6.2 mi
Dew point66°
Mon, 1083° / 67°0.04Light rain
83 °Light rain

Chestnuthill, Monday, 10 August

Light rain. High 83°, low 67°.

Pressure30.00 inHg
Wind5.9 mph SW
Humidity47%
Visibility6.2 mi
Dew point61°
Tue, 1184° / 65°0.54Heavy rain
84 °Heavy rain

Chestnuthill, Tuesday, 11 August

Heavy rain. High 84°, low 65°.

Pressure29.88 inHg
Wind11.9 mph NW
Humidity43%
Visibility6.2 mi
Dew point56°
Wed, 1281° / 64°0Overcast
81 °Overcast

Chestnuthill, Wednesday, 12 August

Overcast. High 81°, low 64°.

Pressure29.77 inHg
Wind3.8 mph W
Humidity65%
Visibility6.2 mi
Dew point64°
Thu, 1378° / 59°0.02Light rain
78 °Light rain

Chestnuthill, Thursday, 13 August

Light rain. High 78°, low 59°.

Pressure29.77 inHg
Wind13 mph NW
Humidity35%
Visibility—
Dew point47°
Fri, 1472° / 53°0Clear
72 °Clear

Chestnuthill, Friday, 14 August

Clear. High 72°, low 53°.

Pressure30.00 inHg
Wind12.8 mph NW
Humidity38%
Visibility—
Dew point43°
Sat, 1573° / 51°0Clear
73 °Clear

Chestnuthill, Saturday, 15 August

Clear. High 73°, low 51°.

Pressure30.12 inHg
Wind14.2 mph NW
Humidity36%
Visibility—
Dew point42°
Sun, 1675° / 51°0Overcast
75 °Overcast

Chestnuthill, Sunday, 16 August

Overcast. High 75°, low 51°.

Pressure30.12 inHg
Wind6.1 mph NW
Humidity34%
Visibility—
Dew point42°
Mon, 1777° / 56°0Overcast
77 °Overcast

Chestnuthill, Monday, 17 August

Overcast. High 77°, low 56°.

Pressure30.00 inHg
Wind7.5 mph S
Humidity41%
Visibility—
Dew point49°
Tue, 1881° / 59°0.01Light rain
81 °Light rain

Chestnuthill, Tuesday, 18 August

Light rain. High 81°, low 59°.

Pressure30.00 inHg
Wind4.5 mph SW
Humidity41%
Visibility—
Dew point53°
Wed, 1980° / 64°0Light rain
80 °Light rain

Chestnuthill, Wednesday, 19 August

Light rain. High 80°, low 64°.

Pressure30.09 inHg
Wind6.2 mph S
Humidity50%
Visibility—
Dew point58°
Thu, 2084° / 61°0Partly cloudy
84 °Partly cloudy

Chestnuthill, Thursday, 20 August

Partly cloudy. High 84°, low 61°.

Pressure30.03 inHg
Wind7 mph SW
Humidity43%
Visibility—
Dew point57°
Fri, 2188° / 64°0.11Light rain
88 °Light rain

Chestnuthill, Friday, 21 August

Light rain. High 88°, low 64°.

Pressure29.85 inHg
Wind9 mph SW
Humidity52%
Visibility—
Dew point65°
Sat, 2287° / 66°0.02Light rain
87 °Light rain

Chestnuthill, Saturday, 22 August

Light rain. High 87°, low 66°.

Pressure29.91 inHg
Wind8.1 mph N
Humidity34%
Visibility—
Dew point53°
Sun, 2392° / 64°0Clear
92 °Clear

Chestnuthill, Sunday, 23 August

Clear. High 92°, low 64°.

Pressure29.94 inHg
Wind6.9 mph SW
Humidity35%
Visibility—
Dew point57°
Mon, 2491° / 69°0.24Light rain
91 °Light rain

Chestnuthill, Monday, 24 August

Light rain. High 91°, low 69°.

Pressure29.94 inHg
Wind9.3 mph SW
Humidity43%
Visibility—
Dew point63°

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 Chestnuthill, 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 Chestnuthill, 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.