Monthly outlook for Clarks Summit, PA: average high 56.7°, average low 39.9°. That is 1.3° below the climate normal for October. Precipitation is expected on 4 days (about 0.9 inches), against a normal of 5 days and 1.9 inches. The warmest day looks like 13 October (72.4°), the coolest 18 October (26.3°).
56.7°/39.9°
Average high / low
−1.3°
Below normal
4 / 5
Wet days / normal
0.9 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
12 October – 21 October
59.7°
60.1°
-0.2°
22 October – 31 October
51.8°
56.2°
-2.5°
1 November – 10 November
at normal
53.1°
—
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).
Tue, 1372° / 50°0.02
72 °
Clarks Summit, Tuesday, 13 October
Light rain. High 72°, low 50°.
Pressure29.91 inHg
Wind7 mph S
Humidity82%
Visibility3.6 mi
Dew point61°
Wed, 1469° / 58°0
69 °
Clarks Summit, Wednesday, 14 October
Overcast. High 69°, low 58°.
Pressure29.91 inHg
Wind10.4 mph NW
Humidity69%
Visibility6.2 mi
Dew point58°
Thu, 1557° / 44°0
57 °
Clarks Summit, Thursday, 15 October
Overcast. High 57°, low 44°.
Pressure30.27 inHg
Wind6.9 mph N
Humidity59%
Visibility6.2 mi
Dew point41°
Fri, 1658° / 47°0.39
58 °
Clarks Summit, Friday, 16 October
Rain. High 58°, low 47°.
Pressure29.68 inHg
Wind19.8 mph NW
Humidity96%
Visibility—
Dew point52°
Sat, 1748° / 36°0.02
48 °
Clarks Summit, Saturday, 17 October
Light rain. High 48°, low 36°.
Pressure30.21 inHg
Wind17.8 mph NW
Humidity64%
Visibility—
Dew point30°
Sun, 1849° / 26°0
49 °
Clarks Summit, Sunday, 18 October
Clear. High 49°, low 26°.
Pressure30.56 inHg
Wind8.5 mph SW
Humidity42%
Visibility—
Dew point18°
Mon, 1958° / 34°0
58 °
Clarks Summit, Monday, 19 October
Clear. High 58°, low 34°.
Pressure30.47 inHg
Wind8.5 mph SW
Humidity48%
Visibility—
Dew point28°
Tue, 2061° / 40°0
61 °
Clarks Summit, Tuesday, 20 October
Overcast. High 61°, low 40°.
Pressure30.36 inHg
Wind3.6 mph W
Humidity59%
Visibility—
Dew point38°
Wed, 2160° / 39°0
60 °
Clarks Summit, Wednesday, 21 October
Clear. High 60°, low 39°.
Pressure30.47 inHg
Wind3.6 mph N
Humidity61%
Visibility—
Dew point37°
Thu, 2258° / 37°0
58 °
Clarks Summit, Thursday, 22 October
Clear. High 58°, low 37°.
Pressure30.56 inHg
Wind7.5 mph SW
Humidity55%
Visibility—
Dew point34°
Fri, 2360° / 40°0.15
60 °
Clarks Summit, Friday, 23 October
Rain. High 60°, low 40°.
Pressure30.27 inHg
Wind13.3 mph SW
Humidity72%
Visibility—
Dew point43°
Sat, 2445° / 30°0.09
45 °
Clarks Summit, Saturday, 24 October
Light rain. High 45°, low 30°.
Pressure30.30 inHg
Wind14.1 mph N
Humidity83%
Visibility—
Dew point35°
Sun, 2549° / 28°0
49 °
Clarks Summit, Sunday, 25 October
Light rain. High 49°, low 28°.
Pressure30.30 inHg
Wind5.7 mph SW
Humidity41%
Visibility—
Dew point20°
Mon, 2646° / 41°0.24
46 °
Clarks Summit, Monday, 26 October
Light rain. High 46°, low 41°.
Pressure29.77 inHg
Wind9.3 mph N
Humidity93%
Visibility—
Dew point42°
Tue, 2753° / 37°0
53 °
Clarks Summit, Tuesday, 27 October
Partly cloudy. High 53°, low 37°.
Pressure30.03 inHg
Wind8.7 mph N
Humidity62%
Visibility—
Dew point33°
From day 17 onward the outlook is built from 60-year climate statistics
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)
Tue, 1051° / 38°0.15
51 °
Clarks Summit, Tuesday, 10 November
Climate normal for this date — 60-year average.
Average high51°
Average low38°
Average precipitation0.15 in
Chance of precipitation48%
Record high72° (2020)
Record low20° (2017)
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.