As of 06:28 EDT

Weather in Lanark, PA

50°Current weather

Lanark, Thursday, 8 October, 06:28

Clear. Feels like 50°. High 75°, low 50°.

Pressure29.83 inHg
Wind0 mph N
Humidity89%
Visibility6.2 mi
Dew point47°

Monthly outlook for Lanark, PA: average high 65°, average low 48°. That is 1° above the climate normal for October. Precipitation is expected on 5 days (about 0.8 inches), against a normal of 4 days and 1.9 inches. The warmest day looks like 8 October (74.8°), the coolest 18 October (38.3°).

65°/48°
Average high / low
+1°
Above normal
5 / 4
Wet days / normal
0.8 in
Precipitation this month

Ten-day blocks vs climate normal

PeriodForecast highNormalDifference
8 October – 17 October67.1°64.4°+1.5°
18 October – 27 October61.4°60.6°+0.4°
28 October – 6 Novemberat normal57.5°—

October records over 66 years

88.3°2 October 2019All-time high
23.9°31 October 2011All-time low

Climate normals and records are computed from the nearest reference point — Allentown (4 mi).

Fri, 0971° / 43°0Clear
71 °Clear

Lanark, Friday, 9 October

Clear. High 71°, low 43°.

Pressure30.15 inHg
Wind9.8 mph W
Humidity46%
Visibility6.2 mi
Dew point44°
Sat, 1067° / 46°0Overcast
67 °Overcast

Lanark, Saturday, 10 October

Overcast. High 67°, low 46°.

Pressure30.47 inHg
Wind2.6 mph E
Humidity52%
Visibility6.2 mi
Dew point46°
Sun, 1162° / 51°0.19Rain
62 °Rain

Lanark, Sunday, 11 October

Rain. High 62°, low 51°.

Pressure30.36 inHg
Wind7.4 mph SE
Humidity68%
Visibility6.2 mi
Dew point53°
Mon, 1268° / 58°0.15Light rain
68 °Light rain

Lanark, Monday, 12 October

Light rain. High 68°, low 58°.

Pressure29.85 inHg
Wind7.9 mph NE
Humidity92%
Visibility—
Dew point58°
Tue, 1375° / 56°0.06Light rain
75 °Light rain

Lanark, Tuesday, 13 October

Light rain. High 75°, low 56°.

Pressure29.80 inHg
Wind14.9 mph W
Humidity77%
Visibility—
Dew point59°
Wed, 1457° / 43°0Clear
57 °Clear

Lanark, Wednesday, 14 October

Clear. High 57°, low 43°.

Pressure30.03 inHg
Wind14.4 mph NW
Humidity48%
Visibility—
Dew point31°
Thu, 1560° / 40°0Partly cloudy
60 °Partly cloudy

Lanark, Thursday, 15 October

Partly cloudy. High 60°, low 40°.

Pressure30.33 inHg
Wind8.3 mph SW
Humidity45%
Visibility—
Dew point31°
Fri, 1673° / 48°0Clear
73 °Clear

Lanark, Friday, 16 October

Clear. High 73°, low 48°.

Pressure30.21 inHg
Wind12 mph SW
Humidity61%
Visibility—
Dew point49°
Sat, 1763° / 45°0Mostly clear
63 °Mostly clear

Lanark, Saturday, 17 October

Mostly clear. High 63°, low 45°.

Pressure30.21 inHg
Wind14.7 mph N
Humidity56%
Visibility—
Dew point47°
Sun, 1857° / 38°0Overcast
57 °Overcast

Lanark, Sunday, 18 October

Overcast. High 57°, low 38°.

Pressure30.47 inHg
Wind7.6 mph SE
Humidity43%
Visibility—
Dew point26°
Mon, 1968° / 51°0Overcast
68 °Overcast

Lanark, Monday, 19 October

Overcast. High 68°, low 51°.

Pressure30.27 inHg
Wind7.6 mph W
Humidity68%
Visibility—
Dew point50°
Tue, 2058° / 53°0.37Rain
58 °Rain

Lanark, Tuesday, 20 October

Rain. High 58°, low 53°.

Pressure30.18 inHg
Wind3.3 mph N
Humidity95%
Visibility—
Dew point53°
Wed, 2158° / 51°0.05Light rain
58 °Light rain

Lanark, Wednesday, 21 October

Light rain. High 58°, low 51°.

Pressure30.00 inHg
Wind4.1 mph NE
Humidity92%
Visibility—
Dew point53°
Thu, 2265° / 48°0Clear
65 °Clear

Lanark, Thursday, 22 October

Clear. High 65°, low 48°.

Pressure30.06 inHg
Wind5.4 mph SE
Humidity64%
Visibility—
Dew point46°
Fri, 2362° / 48°0Overcast
62 °Overcast

Lanark, Friday, 23 October

Overcast. High 62°, low 48°.

Pressure30.24 inHg
Wind8.9 mph SE
Humidity69%
Visibility—
Dew point49°
From day 17 onward the outlook is built from 60-year climate statistics
Sat, 2460° / 43°0.14Climate normal
60 °Climate normal

Lanark, Saturday, 24 October

Climate normal for this date — 60-year average.

Average high60°
Average low43°
Average precipitation0.14 in
Chance of precipitation35%
Record high78° (2001)
Record low25° (1969)
Sun, 2560° / 44°0.12Climate normal
60 °Climate normal

Lanark, Sunday, 25 October

Climate normal for this date — 60-year average.

Average high60°
Average low44°
Average precipitation0.12 in
Chance of precipitation30%
Record high75° (1963)
Record low30° (1962)
Mon, 2659° / 44°0.11Climate normal
59 °Climate normal

Lanark, Monday, 26 October

Climate normal for this date — 60-year average.

Average high59°
Average low44°
Average precipitation0.11 in
Chance of precipitation35%
Record high78° (1963)
Record low30° (1960)
Tue, 2759° / 43°0.2Climate normal
59 °Climate normal

Lanark, Tuesday, 27 October

Climate normal for this date — 60-year average.

Average high59°
Average low43°
Average precipitation0.2 in
Chance of precipitation30%
Record high80° (1963)
Record low29° (1988)
Wed, 2859° / 42°0.15Climate normal
59 °Climate normal

Lanark, Wednesday, 28 October

Climate normal for this date — 60-year average.

Average high59°
Average low42°
Average precipitation0.15 in
Chance of precipitation27%
Record high77° (1984)
Record low25° (1976)
Thu, 2957° / 41°0.2Climate normal
57 °Climate normal

Lanark, Thursday, 29 October

Climate normal for this date — 60-year average.

Average high57°
Average low41°
Average precipitation0.2 in
Chance of precipitation25%
Record high72° (1971)
Record low29° (1965)
Fri, 3057° / 40°0.1Climate normal
57 °Climate normal

Lanark, Friday, 30 October

Climate normal for this date — 60-year average.

Average high57°
Average low40°
Average precipitation0.1 in
Chance of precipitation23%
Record high76° (2024)
Record low28° (1962)
Sat, 3158° / 41°0.05Climate normal
58 °Climate normal

Lanark, Saturday, 31 October

Climate normal for this date — 60-year average.

Average high58°
Average low41°
Average precipitation0.05 in
Chance of precipitation20%
Record high80° (2024)
Record low24° (2011)
Sun, 0159° / 43°0.07Climate normal
59 °Climate normal

Lanark, Sunday, 1 November

Climate normal for this date — 60-year average.

Average high59°
Average low43°
Average precipitation0.07 in
Chance of precipitation23%
Record high77° (1974)
Record low22° (2002)
Mon, 0259° / 43°0.12Climate normal
59 °Climate normal

Lanark, Monday, 2 November

Climate normal for this date — 60-year average.

Average high59°
Average low43°
Average precipitation0.12 in
Chance of precipitation32%
Record high76° (1982)
Record low24° (2002)
Tue, 0358° / 42°0.08Climate normal
58 °Climate normal

Lanark, Tuesday, 3 November

Climate normal for this date — 60-year average.

Average high58°
Average low42°
Average precipitation0.08 in
Chance of precipitation23%
Record high76° (2003)
Record low24° (2002)
Wed, 0457° / 40°0.07Climate normal
57 °Climate normal

Lanark, Wednesday, 4 November

Climate normal for this date — 60-year average.

Average high57°
Average low40°
Average precipitation0.07 in
Chance of precipitation18%
Record high73° (1961)
Record low27° (2006)
Thu, 0556° / 40°0.11Climate normal
56 °Climate normal

Lanark, Thursday, 5 November

Climate normal for this date — 60-year average.

Average high56°
Average low40°
Average precipitation0.11 in
Chance of precipitation30%
Record high75° (2022)
Record low26° (1991)
Fri, 0655° / 40°0.08Climate normal
55 °Climate normal

Lanark, Friday, 6 November

Climate normal for this date — 60-year average.

Average high55°
Average low40°
Average precipitation0.08 in
Chance of precipitation30%
Record high80° (2024)
Record low26° (1967)

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.