Monthly outlook for Harrison, PA: average high 64.2°, average low 46.6°. That is 4.4° above the climate normal for October. Precipitation is expected on 5 days (about 0.9 inches), against a normal of 5 days and 1.9 inches. The warmest day looks like 13 October (76°), the coolest 18 October (33°).
64.2°/46.6°
Average high / low
+4.4°
Above normal
5 / 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
64.5°
57.3°
+4°
22 October – 31 October
63.7°
54°
+5.4°
1 November – 10 November
at normal
50.8°
—
October records over 66 years
82.2°1 October 2019All-time high
20.5°31 October 2011All-time low
Climate normals and records are computed from the nearest reference point — Central City (14 mi).
Tue, 1376° / 54°0
76 °
Harrison, Tuesday, 13 October
Clear. High 76°, low 54°.
Pressure29.94 inHg
Wind12.5 mph W
Humidity60%
Visibility6.2 mi
Dew point60°
Wed, 1474° / 58°0.04
74 °
Harrison, Wednesday, 14 October
Light rain. High 74°, low 58°.
Pressure30.00 inHg
Wind12 mph W
Humidity76%
Visibility6.0 mi
Dew point64°
Thu, 1565° / 51°0.1
65 °
Harrison, Thursday, 15 October
Light rain. High 65°, low 51°.
Pressure30.21 inHg
Wind6.1 mph SE
Humidity68%
Visibility6.2 mi
Dew point50°
Fri, 1666° / 47°0.6
66 °
Harrison, Friday, 16 October
Rain. High 66°, low 47°.
Pressure29.74 inHg
Wind19.2 mph NW
Humidity94%
Visibility—
Dew point62°
Sat, 1749° / 38°0
49 °
Harrison, Saturday, 17 October
Clear. High 49°, low 38°.
Pressure30.39 inHg
Wind16.6 mph NW
Humidity60%
Visibility—
Dew point30°
Sun, 1856° / 33°0
56 °
Harrison, Sunday, 18 October
Clear. High 56°, low 33°.
Pressure30.56 inHg
Wind9.7 mph W
Humidity42%
Visibility—
Dew point24°
Mon, 1962° / 36°0
62 °
Harrison, Monday, 19 October
Clear. High 62°, low 36°.
Pressure30.47 inHg
Wind5.2 mph SE
Humidity42%
Visibility—
Dew point30°
Tue, 2065° / 45°0.02
65 °
Harrison, Tuesday, 20 October
Light rain. High 65°, low 45°.
Pressure30.33 inHg
Wind3 mph NW
Humidity56%
Visibility—
Dew point43°
Wed, 2165° / 48°0
65 °
Harrison, Wednesday, 21 October
Clear. High 65°, low 48°.
Pressure30.39 inHg
Wind4.7 mph NE
Humidity70%
Visibility—
Dew point48°
Thu, 2261° / 42°0
61 °
Harrison, Thursday, 22 October
Clear. High 61°, low 42°.
Pressure30.56 inHg
Wind7.2 mph SE
Humidity60%
Visibility—
Dew point39°
Fri, 2369° / 43°0.01
69 °
Harrison, Friday, 23 October
Light rain. High 69°, low 43°.
Pressure30.39 inHg
Wind8.3 mph W
Humidity64%
Visibility—
Dew point46°
Sat, 2471° / 59°0
71 °
Harrison, Saturday, 24 October
Overcast. High 71°, low 59°.
Pressure30.24 inHg
Wind7.8 mph NW
Humidity76%
Visibility—
Dew point57°
Sun, 2572° / 56°0.04
72 °
Harrison, Sunday, 25 October
Light rain. High 72°, low 56°.
Pressure30.00 inHg
Wind11.7 mph W
Humidity60%
Visibility—
Dew point52°
Mon, 2652° / 41°0.06
52 °
Harrison, Monday, 26 October
Light rain. High 52°, low 41°.
Pressure29.80 inHg
Wind18.1 mph NW
Humidity89%
Visibility—
Dew point46°
Tue, 2757° / 41°0.01
57 °
Harrison, Tuesday, 27 October
Light rain. High 57°, low 41°.
Pressure29.65 inHg
Wind18.4 mph NW
Humidity50%
Visibility—
Dew point31°
From day 17 onward the outlook is built from 60-year climate statistics
Wed, 2854° / 39°0.1
54 °
Harrison, Wednesday, 28 October
Climate normal for this date — 60-year average.
Average high54°
Average low39°
Average precipitation0.1 in
Chance of precipitation33%
Record high71° (2014)
Record low23° (1976)
Thu, 2952° / 38°0.22
52 °
Harrison, Thursday, 29 October
Climate normal for this date — 60-year average.
Average high52°
Average low38°
Average precipitation0.22 in
Chance of precipitation32%
Record high68° (1999)
Record low24° (1965)
Fri, 3053° / 37°0.09
53 °
Harrison, Friday, 30 October
Climate normal for this date — 60-year average.
Average high53°
Average low37°
Average precipitation0.09 in
Chance of precipitation27%
Record high69° (2024)
Record low23° (2011)
Sat, 3154° / 39°0.07
54 °
Harrison, Saturday, 31 October
Climate normal for this date — 60-year average.
Average high54°
Average low39°
Average precipitation0.07 in
Chance of precipitation27%
Record high73° (2024)
Record low20° (2011)
Sun, 0154° / 40°0.09
54 °
Harrison, Sunday, 1 November
Climate normal for this date — 60-year average.
Average high54°
Average low40°
Average precipitation0.09 in
Chance of precipitation35%
Record high69° (1982)
Record low26° (2023)
Mon, 0253° / 39°0.16
53 °
Harrison, Monday, 2 November
Climate normal for this date — 60-year average.
Average high53°
Average low39°
Average precipitation0.16 in
Chance of precipitation38%
Record high72° (1982)
Record low24° (1993)
Tue, 0353° / 38°0.08
53 °
Harrison, Tuesday, 3 November
Climate normal for this date — 60-year average.
Average high53°
Average low38°
Average precipitation0.08 in
Chance of precipitation33%
Record high70° (2003)
Record low25° (2006)
Wed, 0451° / 37°0.11
51 °
Harrison, Wednesday, 4 November
Climate normal for this date — 60-year average.
Average high51°
Average low37°
Average precipitation0.11 in
Chance of precipitation27%
Record high72° (2003)
Record low22° (2006)
Thu, 0550° / 37°0.13
50 °
Harrison, Thursday, 5 November
Climate normal for this date — 60-year average.
Average high50°
Average low37°
Average precipitation0.13 in
Chance of precipitation38%
Record high70° (2015)
Record low19° (1991)
Fri, 0650° / 36°0.06
50 °
Harrison, Friday, 6 November
Climate normal for this date — 60-year average.
Average high50°
Average low36°
Average precipitation0.06 in
Chance of precipitation33%
Record high72° (2022)
Record low23° (1967)
Sat, 0749° / 36°0.13
49 °
Harrison, Saturday, 7 November
Climate normal for this date — 60-year average.
Average high49°
Average low36°
Average precipitation0.13 in
Chance of precipitation35%
Record high66° (2020)
Record low20° (1962)
Sun, 0849° / 35°0.11
49 °
Harrison, Sunday, 8 November
Climate normal for this date — 60-year average.
Average high49°
Average low35°
Average precipitation0.11 in
Chance of precipitation28%
Record high69° (2020)
Record low10° (1960)
Mon, 0950° / 35°0.09
50 °
Harrison, Monday, 9 November
Climate normal for this date — 60-year average.
Average high50°
Average low35°
Average precipitation0.09 in
Chance of precipitation35%
Record high68° (2020)
Record low20° (1976)
Tue, 1049° / 35°0.17
49 °
Harrison, Tuesday, 10 November
Climate normal for this date — 60-year average.
Average high49°
Average low35°
Average precipitation0.17 in
Chance of precipitation43%
Record high69° (2020)
Record low18° (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 Harrison, 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 Harrison, 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.