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As of 14:55 EDT

Weather in Lanark, PA

83°Current weather

Lanark, Saturday, 8 August, 14:55

Partly cloudy. Feels like 86°. High 84°, low 70°.

Pressure29.97 inHg
Wind12.2 mph SW
Humidity61%
Visibility6.2 mi
Dew point69°
Sun, 0987° / 70°0.01Light rain
87 °Light rain

Lanark, Sunday, 9 August

Light rain. High 87°, low 70°.

Pressure30.00 inHg
Wind7.5 mph W
Humidity52%
Visibility6.2 mi
Dew point66°
Mon, 1084° / 70°0.02Light rain
84 °Light rain

Lanark, Monday, 10 August

Light rain. High 84°, low 70°.

Pressure30.00 inHg
Wind9.3 mph W
Humidity56%
Visibility6.2 mi
Dew point66°
Tue, 1187° / 69°0.12Light rain
87 °Light rain

Lanark, Tuesday, 11 August

Light rain. High 87°, low 69°.

Pressure29.91 inHg
Wind4.2 mph NW
Humidity59%
Visibility6.2 mi
Dew point68°
Wed, 1282° / 69°0.41Rain
82 °Rain

Lanark, Wednesday, 12 August

Rain. High 82°, low 69°.

Pressure29.77 inHg
Wind8.7 mph W
Humidity63%
Visibility6.2 mi
Dew point66°
Thu, 1384° / 63°0Overcast
84 °Overcast

Lanark, Thursday, 13 August

Overcast. High 84°, low 63°.

Pressure29.77 inHg
Wind14.3 mph NW
Humidity48%
Visibility—
Dew point60°
Fri, 1476° / 62°0Clear
76 °Clear

Lanark, Friday, 14 August

Clear. High 76°, low 62°.

Pressure29.97 inHg
Wind7.9 mph NW
Humidity39%
Visibility—
Dew point46°
Sat, 1575° / 53°0Clear
75 °Clear

Lanark, Saturday, 15 August

Clear. High 75°, low 53°.

Pressure30.18 inHg
Wind11.8 mph N
Humidity38%
Visibility—
Dew point46°
Sun, 1677° / 53°0Clear
77 °Clear

Lanark, Sunday, 16 August

Clear. High 77°, low 53°.

Pressure30.27 inHg
Wind5.4 mph NE
Humidity36%
Visibility—
Dew point46°
Mon, 1780° / 57°0.02Light rain
80 °Light rain

Lanark, Monday, 17 August

Light rain. High 80°, low 57°.

Pressure30.15 inHg
Wind9.1 mph S
Humidity50%
Visibility—
Dew point58°
Tue, 1874° / 65°0.03Light rain
74 °Light rain

Lanark, Tuesday, 18 August

Light rain. High 74°, low 65°.

Pressure29.94 inHg
Wind7.2 mph SW
Humidity90%
Visibility—
Dew point67°
Wed, 1981° / 64°0.01Light rain
81 °Light rain

Lanark, Wednesday, 19 August

Light rain. High 81°, low 64°.

Pressure29.88 inHg
Wind11.3 mph NW
Humidity46%
Visibility—
Dew point57°
Thu, 2075° / 58°0Overcast
75 °Overcast

Lanark, Thursday, 20 August

Overcast. High 75°, low 58°.

Pressure29.97 inHg
Wind5.7 mph SW
Humidity55%
Visibility—
Dew point56°
Fri, 2171° / 62°1.71Heavy rain
71 °Heavy rain

Lanark, Friday, 21 August

Heavy rain. High 71°, low 62°.

Pressure29.88 inHg
Wind7 mph SE
Humidity95%
Visibility—
Dew point66°
Sat, 2281° / 64°0.13Rain
81 °Rain

Lanark, Saturday, 22 August

Rain. High 81°, low 64°.

Pressure29.74 inHg
Wind7.4 mph W
Humidity54%
Visibility—
Dew point61°
Sun, 2371° / 55°0Clear
71 °Clear

Lanark, Sunday, 23 August

Clear. High 71°, low 55°.

Pressure30.00 inHg
Wind15.3 mph NW
Humidity42%
Visibility—
Dew point43°

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 Lanark, 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 Lanark, 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.