Monthly outlook for Barr Slope, PA: average high 59.9°, average low 44.2°. That is 2.4° above the climate normal for October. Precipitation is expected on 5 days (about 1.9 inches), against a normal of 6 days and 1.8 inches. The warmest day looks like 31 October (67.2°), the coolest 22 October (33.4°).
59.9°/44.2°
Average high / low
+2.4°
Above normal
5 / 6
Wet days / normal
1.9 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
22 October – 31 October
62.8°
56.3°
+3.6°
1 November – 10 November
55°
53°
+1.1°
11 November – 20 November
at normal
47.6°
—
October records over 66 years
85.1°1 October 2019All-time high
23.7°20 October 1972All-time low
Climate normals and records are computed from the nearest reference point — Indiana (10 mi).
Fri, 2362° / 37°0
62 °
Barr Slope, Friday, 23 October
Clear. High 62°, low 37°.
Pressure30.36 inHg
Wind4.9 mph NE
Humidity61%
Visibility6.2 mi
Dew point43°
Sat, 2462° / 34°0
62 °
Barr Slope, Saturday, 24 October
Clear. High 62°, low 34°.
Pressure30.47 inHg
Wind4.7 mph SE
Humidity48%
Visibility6.2 mi
Dew point37°
Sun, 2562° / 38°0
62 °
Barr Slope, Sunday, 25 October
Clear. High 62°, low 38°.
Pressure30.50 inHg
Wind2.9 mph S
Humidity51%
Visibility6.2 mi
Dew point40°
Mon, 2664° / 40°0
64 °
Barr Slope, Monday, 26 October
Clear. High 64°, low 40°.
Pressure30.39 inHg
Wind4.9 mph W
Humidity66%
Visibility6.2 mi
Dew point46°
Tue, 2760° / 42°0
60 °
Barr Slope, Tuesday, 27 October
Clear. High 60°, low 42°.
Pressure30.42 inHg
Wind6.6 mph E
Humidity65%
Visibility—
Dew point41°
Wed, 2861° / 45°0
61 °
Barr Slope, Wednesday, 28 October
Overcast. High 61°, low 45°.
Pressure30.36 inHg
Wind8.7 mph E
Humidity62%
Visibility—
Dew point42°
Thu, 2966° / 45°0
66 °
Barr Slope, Thursday, 29 October
Clear. High 66°, low 45°.
Pressure30.36 inHg
Wind6.5 mph SW
Humidity67%
Visibility—
Dew point46°
Fri, 3061° / 48°0
61 °
Barr Slope, Friday, 30 October
Overcast. High 61°, low 48°.
Pressure30.24 inHg
Wind8 mph W
Humidity73%
Visibility—
Dew point48°
Sat, 3167° / 52°0
67 °
Barr Slope, Saturday, 31 October
Overcast. High 67°, low 52°.
Pressure30.24 inHg
Wind11.8 mph SE
Humidity68%
Visibility—
Dew point49°
Sun, 0159° / 55°0.33
59 °
Barr Slope, Sunday, 1 November
Rain. High 59°, low 55°.
Pressure30.15 inHg
Wind10.1 mph SE
Humidity88%
Visibility—
Dew point53°
Mon, 0259° / 56°0.59
59 °
Barr Slope, Monday, 2 November
Rain. High 59°, low 56°.
Pressure30.03 inHg
Wind7.3 mph NE
Humidity94%
Visibility—
Dew point57°
Tue, 0359° / 53°0.05
59 °
Barr Slope, Tuesday, 3 November
Light rain. High 59°, low 53°.
Pressure30.06 inHg
Wind4.9 mph NE
Humidity95%
Visibility—
Dew point57°
Wed, 0452° / 49°0.73
52 °
Barr Slope, Wednesday, 4 November
Rain. High 52°, low 49°.
Pressure30.09 inHg
Wind8.2 mph E
Humidity91%
Visibility—
Dew point48°
Thu, 0550° / 42°0.15
50 °
Barr Slope, Thursday, 5 November
Light rain. High 50°, low 42°.
Pressure29.88 inHg
Wind15.5 mph W
Humidity87%
Visibility—
Dew point42°
Fri, 0652° / 38°0.03
52 °
Barr Slope, Friday, 6 November
Light rain. High 52°, low 38°.
Pressure29.77 inHg
Wind15.5 mph W
Humidity73%
Visibility—
Dew point35°
From day 17 onward the outlook is built from 60-year climate statistics
Sat, 0751° / 38°0.13
51 °
Barr Slope, Saturday, 7 November
Climate normal for this date — 60-year average.
Average high51°
Average low38°
Average precipitation0.13 in
Chance of precipitation42%
Record high70° (1975)
Record low25° (1967)
Sun, 0851° / 37°0.12
51 °
Barr Slope, Sunday, 8 November
Climate normal for this date — 60-year average.
Average high51°
Average low37°
Average precipitation0.12 in
Chance of precipitation32%
Record high72° (2020)
Record low24° (1967)
Mon, 0952° / 37°0.12
52 °
Barr Slope, Monday, 9 November
Climate normal for this date — 60-year average.
Average high52°
Average low37°
Average precipitation0.12 in
Chance of precipitation37%
Record high71° (2020)
Record low21° (1976)
Tue, 1052° / 37°0.17
52 °
Barr Slope, Tuesday, 10 November
Climate normal for this date — 60-year average.
Average high52°
Average low37°
Average precipitation0.17 in
Chance of precipitation42%
Record high73° (2020)
Record low20° (2017)
Wed, 1149° / 37°0.17
49 °
Barr Slope, Wednesday, 11 November
Climate normal for this date — 60-year average.
Average high49°
Average low37°
Average precipitation0.17 in
Chance of precipitation42%
Record high66° (2012)
Record low18° (2017)
Thu, 1248° / 35°0.15
48 °
Barr Slope, Thursday, 12 November
Climate normal for this date — 60-year average.
Average high48°
Average low35°
Average precipitation0.15 in
Chance of precipitation47%
Record high67° (1982)
Record low20° (2019)
Fri, 1347° / 34°0.07
47 °
Barr Slope, Friday, 13 November
Climate normal for this date — 60-year average.
Average high47°
Average low34°
Average precipitation0.07 in
Chance of precipitation38%
Record high66° (1989)
Record low13° (2019)
Sat, 1448° / 35°0.12
48 °
Barr Slope, Saturday, 14 November
Climate normal for this date — 60-year average.
Average high48°
Average low35°
Average precipitation0.12 in
Chance of precipitation33%
Record high68° (1994)
Record low17° (1986)
Sun, 1548° / 35°0.16
48 °
Barr Slope, Sunday, 15 November
Climate normal for this date — 60-year average.
Average high48°
Average low35°
Average precipitation0.16 in
Chance of precipitation52%
Record high66° (1989)
Record low17° (1996)
Mon, 1647° / 34°0.14
47 °
Barr Slope, Monday, 16 November
Climate normal for this date — 60-year average.
Average high47°
Average low34°
Average precipitation0.14 in
Chance of precipitation42%
Record high66° (1988)
Record low17° (1967)
Tue, 1747° / 34°0.13
47 °
Barr Slope, Tuesday, 17 November
Climate normal for this date — 60-year average.
Average high47°
Average low34°
Average precipitation0.13 in
Chance of precipitation40%
Record high64° (2021)
Record low22° (1995)
Wed, 1847° / 34°0.09
47 °
Barr Slope, Wednesday, 18 November
Climate normal for this date — 60-year average.
Average high47°
Average low34°
Average precipitation0.09 in
Chance of precipitation37%
Record high67° (2016)
Record low15° (2014)
Thu, 1947° / 34°0.14
47 °
Barr Slope, Thursday, 19 November
Climate normal for this date — 60-year average.
Average high47°
Average low34°
Average precipitation0.14 in
Chance of precipitation37%
Record high70° (1985)
Record low14° (2014)
Fri, 2047° / 34°0.12
47 °
Barr Slope, Friday, 20 November
Climate normal for this date — 60-year average.
Average high47°
Average low34°
Average precipitation0.12 in
Chance of precipitation40%
Record high69° (1991)
Record low17° (1980)
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 Barr Slope, 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 Barr Slope, 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.