Monthly outlook for Old Side, PA: average high 58.5°, average low 42.1°. That is 0.2° below the climate normal for October. Precipitation is expected on 6 days (about 4.4 inches), against a normal of 5 days and 1.8 inches. The warmest day looks like 13 October (77.9°), the coolest 20 October (28.3°).
58.5°/42.1°
Average high / low
−0.2°
Below normal
6 / 5
Wet days / normal
4.4 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
10 October – 19 October
60.9°
59.9°
+0.5°
20 October – 29 October
54.5°
56.1°
-0.9°
30 October – 8 November
at normal
52.9°
—
October records over 66 years
86°8 October 2007All-time high
18.1°31 October 2002All-time low
Climate normals and records are computed from the nearest reference point — Yarnell (8 mi).
Sun, 1160° / 46°1.25
60 °
Old Side, Sunday, 11 October
Heavy rain. High 60°, low 46°.
Pressure30.15 inHg
Wind12.3 mph SE
Humidity99%
Visibility1.4 mi
Dew point54°
Mon, 1271° / 55°0
71 °
Old Side, Monday, 12 October
Overcast. High 71°, low 55°.
Pressure29.88 inHg
Wind9.3 mph NW
Humidity74%
Visibility6.2 mi
Dew point57°
Tue, 1378° / 55°0.02
78 °
Old Side, Tuesday, 13 October
Light rain. High 78°, low 55°.
Pressure29.85 inHg
Wind9.1 mph SW
Humidity61%
Visibility6.2 mi
Dew point60°
Wed, 1469° / 57°0.03
69 °
Old Side, Wednesday, 14 October
Light rain. High 69°, low 57°.
Pressure29.94 inHg
Wind11.8 mph NW
Humidity70%
Visibility—
Dew point57°
Thu, 1557° / 44°0.15
57 °
Old Side, Thursday, 15 October
Rain. High 57°, low 44°.
Pressure30.33 inHg
Wind9.7 mph N
Humidity53%
Visibility—
Dew point36°
Fri, 1657° / 46°1.23
57 °
Old Side, Friday, 16 October
Heavy rain. High 57°, low 46°.
Pressure29.97 inHg
Wind8.4 mph SE
Humidity99%
Visibility—
Dew point49°
Sat, 1757° / 49°1.28
57 °
Old Side, Saturday, 17 October
Rain. High 57°, low 49°.
Pressure29.97 inHg
Wind5.3 mph SW
Humidity95%
Visibility—
Dew point53°
Sun, 1848° / 37°0.23
48 °
Old Side, Sunday, 18 October
Rain. High 48°, low 37°.
Pressure30.03 inHg
Wind10.2 mph N
Humidity79%
Visibility—
Dew point41°
Mon, 1945° / 30°0
45 °
Old Side, Monday, 19 October
Light snow. High 45°, low 30°.
Pressure30.33 inHg
Wind11.7 mph N
Humidity60%
Visibility—
Dew point26°
Tue, 2054° / 28°0
54 °
Old Side, Tuesday, 20 October
Clear. High 54°, low 28°.
Pressure30.45 inHg
Wind3.3 mph W
Humidity38%
Visibility—
Dew point19°
Wed, 2157° / 33°0
57 °
Old Side, Wednesday, 21 October
Clear. High 57°, low 33°.
Pressure30.45 inHg
Wind3.2 mph SE
Humidity46%
Visibility—
Dew point28°
Thu, 2257° / 36°0
57 °
Old Side, Thursday, 22 October
Clear. High 57°, low 36°.
Pressure30.45 inHg
Wind6.7 mph SE
Humidity55%
Visibility—
Dew point33°
Fri, 2354° / 37°0
54 °
Old Side, Friday, 23 October
Partly cloudy. High 54°, low 37°.
Pressure30.33 inHg
Wind9.1 mph S
Humidity71%
Visibility—
Dew point39°
Sat, 2453° / 42°0
53 °
Old Side, Saturday, 24 October
Overcast. High 53°, low 42°.
Pressure30.18 inHg
Wind8.1 mph S
Humidity79%
Visibility—
Dew point43°
Sun, 2552° / 40°0.21
52 °
Old Side, Sunday, 25 October
Rain. High 52°, low 40°.
Pressure29.83 inHg
Wind9 mph W
Humidity75%
Visibility—
Dew point43°
From day 17 onward the outlook is built from 60-year climate statistics
Mon, 2655° / 41°0.08
55 °
Old Side, Monday, 26 October
Climate normal for this date — 60-year average.
Average high55°
Average low41°
Average precipitation0.08 in
Chance of precipitation33%
Record high79° (1963)
Record low29° (1960)
Tue, 2756° / 41°0.14
56 °
Old Side, Tuesday, 27 October
Climate normal for this date — 60-year average.
Average high56°
Average low41°
Average precipitation0.14 in
Chance of precipitation27%
Record high77° (1963)
Record low28° (1990)
Wed, 2855° / 40°0.09
55 °
Old Side, Wednesday, 28 October
Climate normal for this date — 60-year average.
Average high55°
Average low40°
Average precipitation0.09 in
Chance of precipitation40%
Record high74° (1984)
Record low26° (1976)
Thu, 2953° / 39°0.17
53 °
Old Side, Thursday, 29 October
Climate normal for this date — 60-year average.
Average high53°
Average low39°
Average precipitation0.17 in
Chance of precipitation33%
Record high69° (1971)
Record low26° (1965)
Fri, 3054° / 38°0.11
54 °
Old Side, Friday, 30 October
Climate normal for this date — 60-year average.
Average high54°
Average low38°
Average precipitation0.11 in
Chance of precipitation28%
Record high73° (2024)
Record low21° (2011)
Sat, 3154° / 39°0.09
54 °
Old Side, Saturday, 31 October
Climate normal for this date — 60-year average.
Average high54°
Average low39°
Average precipitation0.09 in
Chance of precipitation28%
Record high76° (2024)
Record low18° (2002)
Sun, 0155° / 41°0.08
55 °
Old Side, Sunday, 1 November
Climate normal for this date — 60-year average.
Average high55°
Average low41°
Average precipitation0.08 in
Chance of precipitation28%
Record high73° (1974)
Record low22° (2002)
Mon, 0255° / 40°0.13
55 °
Old Side, Monday, 2 November
Climate normal for this date — 60-year average.
Average high55°
Average low40°
Average precipitation0.13 in
Chance of precipitation33%
Record high74° (1982)
Record low25° (1993)
Tue, 0354° / 39°0.07
54 °
Old Side, Tuesday, 3 November
Climate normal for this date — 60-year average.
Average high54°
Average low39°
Average precipitation0.07 in
Chance of precipitation30%
Record high72° (2003)
Record low25° (2002)
Wed, 0452° / 39°0.09
52 °
Old Side, Wednesday, 4 November
Climate normal for this date — 60-year average.
Average high52°
Average low39°
Average precipitation0.09 in
Chance of precipitation25%
Record high73° (2003)
Record low26° (1991)
Thu, 0552° / 38°0.09
52 °
Old Side, Thursday, 5 November
Climate normal for this date — 60-year average.
Average high52°
Average low38°
Average precipitation0.09 in
Chance of precipitation37%
Record high71° (2022)
Record low20° (1991)
Fri, 0652° / 38°0.06
52 °
Old Side, Friday, 6 November
Climate normal for this date — 60-year average.
Average high52°
Average low38°
Average precipitation0.06 in
Chance of precipitation28%
Record high73° (2022)
Record low26° (1991)
Sat, 0750° / 37°0.1
50 °
Old Side, Saturday, 7 November
Climate normal for this date — 60-year average.
Average high50°
Average low37°
Average precipitation0.1 in
Chance of precipitation32%
Record high68° (2020)
Record low27° (1967)
Sun, 0851° / 37°0.12
51 °
Old Side, Sunday, 8 November
Climate normal for this date — 60-year average.
Average high51°
Average low37°
Average precipitation0.12 in
Chance of precipitation23%
Record high69° (2020)
Record low25° (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 Old Side, 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 Old Side, 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.