Monthly outlook for Old Harbor, MA: average high 55°, average low 48.2°. That is 0° below the climate normal for October. Precipitation is expected on 4 days (about 3.0 inches), against a normal of 5 days and 2.2 inches. The warmest day looks like 2 November (58.7°), the coolest 7 November (35.8°).
55°/48.2°
Average high / low
−0°
Below normal
4 / 5
Wet days / normal
3.0 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
23 October – 1 November
54.9°
55.6°
-0.4°
2 November – 11 November
55.3°
53.5°
+1°
12 November – 21 November
at normal
49.9°
—
October records over 66 years
73.6°1 October 2010All-time high
35.1°23 October 1969All-time low
Sat, 2452° / 46°0
52 °
Old Harbor, Saturday, 24 October
Clear. High 52°, low 46°.
Pressure30.47 inHg
Wind9 mph N
Humidity59%
Visibility6.2 mi
Dew point38°
Sun, 2554° / 45°0
54 °
Old Harbor, Sunday, 25 October
Overcast. High 54°, low 45°.
Pressure30.53 inHg
Wind3 mph S
Humidity67%
Visibility6.2 mi
Dew point43°
Mon, 2658° / 46°0
58 °
Old Harbor, Monday, 26 October
Clear. High 58°, low 46°.
Pressure30.24 inHg
Wind11.8 mph SW
Humidity76%
Visibility6.2 mi
Dew point49°
Tue, 2754° / 46°0
54 °
Old Harbor, Tuesday, 27 October
Overcast. High 54°, low 46°.
Pressure30.30 inHg
Wind14.2 mph N
Humidity68%
Visibility—
Dew point40°
Wed, 2850° / 46°0
50 °
Old Harbor, Wednesday, 28 October
Partly cloudy. High 50°, low 46°.
Pressure30.50 inHg
Wind7 mph S
Humidity56%
Visibility—
Dew point34°
Thu, 2954° / 49°0
54 °
Old Harbor, Thursday, 29 October
Mostly clear. High 54°, low 49°.
Pressure30.47 inHg
Wind14.6 mph SW
Humidity62%
Visibility—
Dew point39°
Fri, 3058° / 55°0
58 °
Old Harbor, Friday, 30 October
Overcast. High 58°, low 55°.
Pressure30.21 inHg
Wind20.2 mph SW
Humidity83%
Visibility—
Dew point52°
Sat, 3156° / 51°0
56 °
Old Harbor, Saturday, 31 October
Overcast. High 56°, low 51°.
Pressure30.27 inHg
Wind17.4 mph NE
Humidity90%
Visibility—
Dew point52°
Sun, 0158° / 51°0.01
58 °
Old Harbor, Sunday, 1 November
Light rain. High 58°, low 51°.
Pressure30.36 inHg
Wind19.5 mph S
Humidity80%
Visibility—
Dew point47°
Mon, 0259° / 56°1.51
59 °
Old Harbor, Monday, 2 November
Rain. High 59°, low 56°.
Pressure30.12 inHg
Wind14.5 mph SW
Humidity100%
Visibility—
Dew point58°
Tue, 0355° / 53°0.43
55 °
Old Harbor, Tuesday, 3 November
Rain. High 55°, low 53°.
Pressure30.06 inHg
Wind15.6 mph N
Humidity98%
Visibility—
Dew point55°
Wed, 0453° / 50°0.04
53 °
Old Harbor, Wednesday, 4 November
Light rain. High 53°, low 50°.
Pressure30.21 inHg
Wind19.9 mph SE
Humidity71%
Visibility—
Dew point42°
Thu, 0556° / 47°0.98
56 °
Old Harbor, Thursday, 5 November
Heavy rain. High 56°, low 47°.
Pressure29.50 inHg
Wind25.5 mph S
Humidity95%
Visibility—
Dew point53°
Fri, 0655° / 46°0
55 °
Old Harbor, Friday, 6 November
Overcast. High 55°, low 46°.
Pressure29.68 inHg
Wind28.5 mph SW
Humidity64%
Visibility—
Dew point38°
Sat, 0754° / 36°0.01
54 °
Old Harbor, Saturday, 7 November
Light rain. High 54°, low 36°.
Pressure29.91 inHg
Wind31.6 mph NW
Humidity51%
Visibility—
Dew point22°
From day 17 onward the outlook is built from 60-year climate statistics
Sun, 0853° / 46°0.17
53 °
Old Harbor, Sunday, 8 November
Climate normal for this date — 60-year average.
Average high53°
Average low46°
Average precipitation0.17 in
Chance of precipitation30%
Record high61° (2022)
Record low34° (1971)
Mon, 0952° / 46°0.11
52 °
Old Harbor, Monday, 9 November
Climate normal for this date — 60-year average.
Average high52°
Average low46°
Average precipitation0.11 in
Chance of precipitation33%
Record high61° (1989)
Record low31° (1976)
Tue, 1053° / 46°0.2
53 °
Old Harbor, Tuesday, 10 November
Climate normal for this date — 60-year average.
Average high53°
Average low46°
Average precipitation0.2 in
Chance of precipitation40%
Record high61° (1985)
Record low33° (2017)
Wed, 1153° / 46°0.12
53 °
Old Harbor, Wednesday, 11 November
Climate normal for this date — 60-year average.
Average high53°
Average low46°
Average precipitation0.12 in
Chance of precipitation37%
Record high62° (2022)
Record low32° (2017)
Thu, 1251° / 44°0.17
51 °
Old Harbor, Thursday, 12 November
Climate normal for this date — 60-year average.
Average high51°
Average low44°
Average precipitation0.17 in
Chance of precipitation37%
Record high64° (2022)
Record low32° (1976)
Fri, 1350° / 44°0.21
50 °
Old Harbor, Friday, 13 November
Climate normal for this date — 60-year average.
Average high50°
Average low44°
Average precipitation0.21 in
Chance of precipitation45%
Record high60° (1975)
Record low26° (2019)
Sat, 1450° / 44°0.11
50 °
Old Harbor, Saturday, 14 November
Climate normal for this date — 60-year average.
Average high50°
Average low44°
Average precipitation0.11 in
Chance of precipitation28%
Record high60° (1975)
Record low27° (1986)
Sun, 1551° / 44°0.11
51 °
Old Harbor, Sunday, 15 November
Climate normal for this date — 60-year average.
Average high51°
Average low44°
Average precipitation0.11 in
Chance of precipitation35%
Record high62° (2008)
Record low31° (1967)
Mon, 1650° / 43°0.15
50 °
Old Harbor, Monday, 16 November
Climate normal for this date — 60-year average.
Average high50°
Average low43°
Average precipitation0.15 in
Chance of precipitation38%
Record high62° (1989)
Record low32° (1967)
Tue, 1750° / 43°0.18
50 °
Old Harbor, Tuesday, 17 November
Climate normal for this date — 60-year average.
Average high50°
Average low43°
Average precipitation0.18 in
Chance of precipitation28%
Record high62° (2006)
Record low31° (1967)
Wed, 1849° / 43°0.1
49 °
Old Harbor, Wednesday, 18 November
Climate normal for this date — 60-year average.
Average high49°
Average low43°
Average precipitation0.1 in
Chance of precipitation28%
Record high60° (1978)
Record low33° (1965)
Thu, 1949° / 42°0.07
49 °
Old Harbor, Thursday, 19 November
Climate normal for this date — 60-year average.
Average high49°
Average low42°
Average precipitation0.07 in
Chance of precipitation18%
Record high60° (1994)
Record low30° (2014)
Fri, 2049° / 42°0.1
49 °
Old Harbor, Friday, 20 November
Climate normal for this date — 60-year average.
Average high49°
Average low42°
Average precipitation0.1 in
Chance of precipitation32%
Record high59° (1985)
Record low28° (2008)
Sat, 2149° / 41°0.09
49 °
Old Harbor, Saturday, 21 November
Climate normal for this date — 60-year average.
Average high49°
Average low41°
Average precipitation0.09 in
Chance of precipitation35%
Record high59° (1988)
Record low24° (1987)
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 Harbor, MA 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 Harbor, MA 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.