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As of 18:35 EDT

Weather in Sylvan, PA

86°Current weather

Sylvan, Saturday, 8 August, 18:35

Overcast. Feels like 93°. High 86°, low 70°.

Pressure29.94 inHg
Wind5 mph W
Humidity66%
Visibility6.2 mi
Dew point73°
Sun, 0986° / 70°0.01Light rain
86 °Light rain

Sylvan, Sunday, 9 August

Light rain. High 86°, low 70°.

Pressure30.03 inHg
Wind7.3 mph NW
Humidity40%
Visibility6.2 mi
Dew point60°
Mon, 1095° / 68°0.09Rain
95 °Rain

Sylvan, Monday, 10 August

Rain. High 95°, low 68°.

Pressure30.06 inHg
Wind7.8 mph NW
Humidity59%
Visibility6.2 mi
Dew point66°
Tue, 1189° / 67°0.06Light rain
89 °Light rain

Sylvan, Tuesday, 11 August

Light rain. High 89°, low 67°.

Pressure29.94 inHg
Wind8.8 mph W
Humidity51%
Visibility6.2 mi
Dew point64°
Wed, 1282° / 66°0.41Rain
82 °Rain

Sylvan, Wednesday, 12 August

Rain. High 82°, low 66°.

Pressure29.80 inHg
Wind7.6 mph NW
Humidity65%
Visibility6.2 mi
Dew point67°
Thu, 1386° / 67°0.04Light rain
86 °Light rain

Sylvan, Thursday, 13 August

Light rain. High 86°, low 67°.

Pressure29.83 inHg
Wind11.7 mph W
Humidity42%
Visibility—
Dew point58°
Fri, 1479° / 59°0.08Light rain
79 °Light rain

Sylvan, Friday, 14 August

Light rain. High 79°, low 59°.

Pressure29.97 inHg
Wind10.2 mph NW
Humidity34%
Visibility—
Dew point46°
Sat, 1578° / 54°0Clear
78 °Clear

Sylvan, Saturday, 15 August

Clear. High 78°, low 54°.

Pressure30.21 inHg
Wind8.9 mph NW
Humidity35%
Visibility—
Dew point45°
Sun, 1681° / 54°0Mostly clear
81 °Mostly clear

Sylvan, Sunday, 16 August

Mostly clear. High 81°, low 54°.

Pressure30.27 inHg
Wind4 mph NE
Humidity29%
Visibility—
Dew point43°
Mon, 1787° / 57°0Partly cloudy
87 °Partly cloudy

Sylvan, Monday, 17 August

Partly cloudy. High 87°, low 57°.

Pressure30.09 inHg
Wind4.9 mph S
Humidity39%
Visibility—
Dew point55°
Tue, 1877° / 66°0.24Rain
77 °Rain

Sylvan, Tuesday, 18 August

Rain. High 77°, low 66°.

Pressure29.94 inHg
Wind2.9 mph NW
Humidity78%
Visibility—
Dew point68°
Wed, 1985° / 65°0Partly cloudy
85 °Partly cloudy

Sylvan, Wednesday, 19 August

Partly cloudy. High 85°, low 65°.

Pressure29.91 inHg
Wind9.3 mph NW
Humidity39%
Visibility—
Dew point55°
Thu, 2081° / 60°0.01Light rain
81 °Light rain

Sylvan, Thursday, 20 August

Light rain. High 81°, low 60°.

Pressure30.00 inHg
Wind4.7 mph NE
Humidity52%
Visibility—
Dew point54°
Fri, 2170° / 61°0.06Light rain
70 °Light rain

Sylvan, Friday, 21 August

Light rain. High 70°, low 61°.

Pressure29.88 inHg
Wind3.9 mph NE
Humidity93%
Visibility—
Dew point64°
Sat, 2285° / 64°0Clear
85 °Clear

Sylvan, Saturday, 22 August

Clear. High 85°, low 64°.

Pressure29.80 inHg
Wind11.3 mph NW
Humidity37%
Visibility—
Dew point53°
Sun, 2376° / 57°0Clear
76 °Clear

Sylvan, Sunday, 23 August

Clear. High 76°, low 57°.

Pressure30.06 inHg
Wind12.1 mph N
Humidity27%
Visibility—
Dew point36°

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 Sylvan, 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 Sylvan, 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.