Monthly outlook for Clarks Summit, PA: average high 56.2°, average low 39.3°. That is 1.8° below the climate normal for October. Precipitation is expected on 3 days (about 2.0 inches), against a normal of 5 days and 1.9 inches. The warmest day looks like 13 October (75.3°), the coolest 19 October (25.3°).
56.2°/39.3°
Average high / low
−1.8°
Below normal
3 / 5
Wet days / normal
2.0 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
11 October – 20 October
57.2°
60.3°
-1.7°
21 October – 30 October
54.6°
56.7°
-1.2°
31 October – 9 November
at normal
53.5°
—
October records over 66 years
84.6°2 October 2019All-time high
23.9°20 October 1972All-time low
Climate normals and records are computed from the nearest reference point — Scranton (6 mi).
Mon, 1270° / 44°0
70 °
Clarks Summit, Monday, 12 October
Light rain. High 70°, low 44°.
Pressure29.85 inHg
Wind8.7 mph N
Humidity68%
Visibility6.2 mi
Dew point56°
Tue, 1375° / 51°0.02
75 °
Clarks Summit, Tuesday, 13 October
Light rain. High 75°, low 51°.
Pressure29.88 inHg
Wind9.1 mph S
Humidity69%
Visibility6.2 mi
Dew point60°
Wed, 1472° / 59°0.02
72 °
Clarks Summit, Wednesday, 14 October
Light rain. High 72°, low 59°.
Pressure29.88 inHg
Wind10.3 mph NW
Humidity73%
Visibility6.2 mi
Dew point63°
Thu, 1559° / 44°0
59 °
Clarks Summit, Thursday, 15 October
Clear. High 59°, low 44°.
Pressure30.27 inHg
Wind10.2 mph N
Humidity57%
Visibility—
Dew point40°
Fri, 1655° / 46°0.47
55 °
Clarks Summit, Friday, 16 October
Rain. High 55°, low 46°.
Pressure29.77 inHg
Wind22.7 mph W
Humidity97%
Visibility—
Dew point51°
Sat, 1750° / 36°0.03
50 °
Clarks Summit, Saturday, 17 October
Light rain. High 50°, low 36°.
Pressure29.83 inHg
Wind14.1 mph W
Humidity63%
Visibility—
Dew point35°
Sun, 1836° / 26°0.07
36 °
Clarks Summit, Sunday, 18 October
Snow. High 36°, low 26°.
Pressure30.12 inHg
Wind14.8 mph NW
Humidity70%
Visibility—
Dew point24°
Mon, 1944° / 25°0
44 °
Clarks Summit, Monday, 19 October
Mostly clear. High 44°, low 25°.
Pressure30.45 inHg
Wind11.6 mph NW
Humidity48%
Visibility—
Dew point18°
Tue, 2054° / 30°0
54 °
Clarks Summit, Tuesday, 20 October
Overcast. High 54°, low 30°.
Pressure30.39 inHg
Wind6.6 mph SW
Humidity46%
Visibility—
Dew point23°
Wed, 2159° / 34°0
59 °
Clarks Summit, Wednesday, 21 October
Clear. High 59°, low 34°.
Pressure30.47 inHg
Wind3.8 mph SW
Humidity49%
Visibility—
Dew point31°
Thu, 2260° / 38°0
60 °
Clarks Summit, Thursday, 22 October
Clear. High 60°, low 38°.
Pressure30.39 inHg
Wind7.3 mph SW
Humidity53%
Visibility—
Dew point35°
Fri, 2356° / 40°0
56 °
Clarks Summit, Friday, 23 October
Clear. High 56°, low 40°.
Pressure30.30 inHg
Wind8.3 mph NW
Humidity69%
Visibility—
Dew point42°
Sat, 2457° / 35°0
57 °
Clarks Summit, Saturday, 24 October
Partly cloudy. High 57°, low 35°.
Pressure30.27 inHg
Wind9 mph S
Humidity59%
Visibility—
Dew point34°
Sun, 2550° / 37°0.01
50 °
Clarks Summit, Sunday, 25 October
Light rain. High 50°, low 37°.
Pressure30.09 inHg
Wind12.1 mph W
Humidity63%
Visibility—
Dew point35°
Mon, 2644° / 36°0.01
44 °
Clarks Summit, Monday, 26 October
Light snow. High 44°, low 36°.
Pressure30.06 inHg
Wind8 mph NW
Humidity57%
Visibility—
Dew point27°
From day 17 onward the outlook is built from 60-year climate statistics
Tue, 2756° / 42°0.15
56 °
Clarks Summit, Tuesday, 27 October
Climate normal for this date — 60-year average.
Average high56°
Average low42°
Average precipitation0.15 in
Chance of precipitation27%
Record high77° (1963)
Record low28° (1976)
Wed, 2856° / 41°0.14
56 °
Clarks Summit, Wednesday, 28 October
Climate normal for this date — 60-year average.
Average high56°
Average low41°
Average precipitation0.14 in
Chance of precipitation35%
Record high75° (1984)
Record low27° (1976)
Thu, 2954° / 40°0.16
54 °
Clarks Summit, Thursday, 29 October
Climate normal for this date — 60-year average.
Average high54°
Average low40°
Average precipitation0.16 in
Chance of precipitation33%
Record high71° (1989)
Record low28° (1965)
Fri, 3054° / 39°0.11
54 °
Clarks Summit, Friday, 30 October
Climate normal for this date — 60-year average.
Average high54°
Average low39°
Average precipitation0.11 in
Chance of precipitation23%
Record high72° (2024)
Record low30° (1962)
Sat, 3155° / 40°0.06
55 °
Clarks Summit, Saturday, 31 October
Climate normal for this date — 60-year average.
Average high55°
Average low40°
Average precipitation0.06 in
Chance of precipitation23%
Record high76° (2024)
Record low25° (2002)
Sun, 0156° / 42°0.09
56 °
Clarks Summit, Sunday, 1 November
Climate normal for this date — 60-year average.
Average high56°
Average low42°
Average precipitation0.09 in
Chance of precipitation30%
Record high74° (1974)
Record low25° (2002)
Mon, 0256° / 42°0.12
56 °
Clarks Summit, Monday, 2 November
Climate normal for this date — 60-year average.
Average high56°
Average low42°
Average precipitation0.12 in
Chance of precipitation33%
Record high75° (1982)
Record low27° (1993)
Tue, 0356° / 41°0.08
56 °
Clarks Summit, Tuesday, 3 November
Climate normal for this date — 60-year average.
Average high56°
Average low41°
Average precipitation0.08 in
Chance of precipitation32%
Record high73° (2003)
Record low26° (1993)
Wed, 0454° / 40°0.07
54 °
Clarks Summit, Wednesday, 4 November
Climate normal for this date — 60-year average.
Average high54°
Average low40°
Average precipitation0.07 in
Chance of precipitation22%
Record high72° (1994)
Record low28° (2013)
Thu, 0553° / 40°0.1
53 °
Clarks Summit, Thursday, 5 November
Climate normal for this date — 60-year average.
Average high53°
Average low40°
Average precipitation0.1 in
Chance of precipitation33%
Record high72° (1994)
Record low23° (1962)
Fri, 0652° / 39°0.07
52 °
Clarks Summit, Friday, 6 November
Climate normal for this date — 60-year average.
Average high52°
Average low39°
Average precipitation0.07 in
Chance of precipitation30%
Record high74° (2024)
Record low25° (1962)
Sat, 0751° / 38°0.07
51 °
Clarks Summit, Saturday, 7 November
Climate normal for this date — 60-year average.
Average high51°
Average low38°
Average precipitation0.07 in
Chance of precipitation33%
Record high70° (1975)
Record low21° (1962)
Sun, 0851° / 38°0.15
51 °
Clarks Summit, Sunday, 8 November
Climate normal for this date — 60-year average.
Average high51°
Average low38°
Average precipitation0.15 in
Chance of precipitation27%
Record high70° (2020)
Record low24° (2019)
Mon, 0951° / 37°0.09
51 °
Clarks Summit, Monday, 9 November
Climate normal for this date — 60-year average.
Average high51°
Average low37°
Average precipitation0.09 in
Chance of precipitation37%
Record high71° (2020)
Record low22° (2019)
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 Clarks Summit, 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 Clarks Summit, 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.