Monthly outlook for Harmon Beach, ME: average high 54.6°, average low 36.9°. That is 0.7° above the climate normal for October. Precipitation is expected on 2 days (about 1.1 inches), against a normal of 5 days and 2.1 inches. The warmest day looks like 26 October (61.8°), the coolest 18 October (29.8°).
54.6°/36.9°
Average high / low
+0.7°
Above normal
2 / 5
Wet days / normal
1.1 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
17 October – 26 October
57.3°
54.5°
+1.6°
27 October – 5 November
50.2°
50.8°
-0.4°
6 November – 15 November
at normal
46.2°
—
October records over 66 years
83.3°6 October 2025All-time high
25.3°24 October 1969All-time low
Climate normals and records are computed from the nearest reference point — Baldwin (9 mi).
Sun, 1854° / 30°0
54 °
Harmon Beach, Sunday, 18 October
Clear. High 54°, low 30°.
Pressure30.53 inHg
Wind5.6 mph S
Humidity46%
Visibility6.2 mi
Dew point27°
Mon, 1960° / 39°0
60 °
Harmon Beach, Monday, 19 October
Clear. High 60°, low 39°.
Pressure30.45 inHg
Wind4.8 mph S
Humidity43%
Visibility6.2 mi
Dew point34°
Tue, 2061° / 43°0
61 °
Harmon Beach, Tuesday, 20 October
Partly cloudy. High 61°, low 43°.
Pressure30.30 inHg
Wind10 mph N
Humidity43%
Visibility6.2 mi
Dew point36°
Wed, 2153° / 42°0
53 °
Harmon Beach, Wednesday, 21 October
Clear. High 53°, low 42°.
Pressure30.42 inHg
Wind9.5 mph N
Humidity59%
Visibility—
Dew point34°
Thu, 2260° / 40°0
60 °
Harmon Beach, Thursday, 22 October
Clear. High 60°, low 40°.
Pressure30.12 inHg
Wind10.2 mph N
Humidity53%
Visibility—
Dew point34°
Fri, 2358° / 38°0
58 °
Harmon Beach, Friday, 23 October
Clear. High 58°, low 38°.
Pressure30.21 inHg
Wind6.9 mph N
Humidity52%
Visibility—
Dew point33°
Sat, 2453° / 38°0
53 °
Harmon Beach, Saturday, 24 October
Clear. High 53°, low 38°.
Pressure30.50 inHg
Wind10 mph NE
Humidity45%
Visibility—
Dew point27°
Sun, 2560° / 34°0
60 °
Harmon Beach, Sunday, 25 October
Partly cloudy. High 60°, low 34°.
Pressure30.21 inHg
Wind8.8 mph N
Humidity36%
Visibility—
Dew point24°
Mon, 2662° / 38°0
62 °
Harmon Beach, Monday, 26 October
Partly cloudy. High 62°, low 38°.
Pressure30.03 inHg
Wind5.1 mph SW
Humidity39%
Visibility—
Dew point29°
Tue, 2758° / 41°0.02
58 °
Harmon Beach, Tuesday, 27 October
Light rain. High 58°, low 41°.
Pressure29.74 inHg
Wind17.6 mph NW
Humidity75%
Visibility—
Dew point49°
Wed, 2849° / 35°0
49 °
Harmon Beach, Wednesday, 28 October
Clear. High 49°, low 35°.
Pressure30.30 inHg
Wind17 mph NW
Humidity39%
Visibility—
Dew point19°
Thu, 2946° / 32°0.31
46 °
Harmon Beach, Thursday, 29 October
Light rain. High 46°, low 32°.
Pressure30.15 inHg
Wind7.3 mph S
Humidity59%
Visibility—
Dew point28°
Fri, 3044° / 40°0.74
44 °
Harmon Beach, Friday, 30 October
Rain. High 44°, low 40°.
Pressure29.71 inHg
Wind14 mph N
Humidity95%
Visibility—
Dew point39°
Sat, 3151° / 36°0
51 °
Harmon Beach, Saturday, 31 October
Clear. High 51°, low 36°.
Pressure30.21 inHg
Wind7.7 mph N
Humidity62%
Visibility—
Dew point33°
Sun, 0153° / 35°0
53 °
Harmon Beach, Sunday, 1 November
Overcast. High 53°, low 35°.
Pressure30.33 inHg
Wind8.3 mph S
Humidity69%
Visibility—
Dew point36°
From day 17 onward the outlook is built from 60-year climate statistics
Mon, 0251° / 38°0.16
51 °
Harmon Beach, Monday, 2 November
Climate normal for this date — 60-year average.
Average high51°
Average low38°
Average precipitation0.16 in
Chance of precipitation32%
Record high66° (2001)
Record low22° (2002)
Tue, 0350° / 37°0.22
50 °
Harmon Beach, Tuesday, 3 November
Climate normal for this date — 60-year average.
Average high50°
Average low37°
Average precipitation0.22 in
Chance of precipitation38%
Record high66° (1990)
Record low22° (2002)
Wed, 0450° / 37°0.07
50 °
Harmon Beach, Wednesday, 4 November
Climate normal for this date — 60-year average.
Average high50°
Average low37°
Average precipitation0.07 in
Chance of precipitation22%
Record high67° (1987)
Record low26° (2002)
Thu, 0549° / 37°0.17
49 °
Harmon Beach, Thursday, 5 November
Climate normal for this date — 60-year average.
Average high49°
Average low37°
Average precipitation0.17 in
Chance of precipitation38%
Record high73° (2022)
Record low24° (1965)
Fri, 0649° / 38°0.13
49 °
Harmon Beach, Friday, 6 November
Climate normal for this date — 60-year average.
Average high49°
Average low38°
Average precipitation0.13 in
Chance of precipitation33%
Record high74° (2022)
Record low27° (1987)
Sat, 0749° / 36°0.06
49 °
Harmon Beach, Saturday, 7 November
Climate normal for this date — 60-year average.
Average high49°
Average low36°
Average precipitation0.06 in
Chance of precipitation25%
Record high69° (2020)
Record low21° (2002)
Sun, 0847° / 35°0.08
47 °
Harmon Beach, Sunday, 8 November
Climate normal for this date — 60-year average.
Average high47°
Average low35°
Average precipitation0.08 in
Chance of precipitation25%
Record high65° (2020)
Record low22° (2002)
Mon, 0947° / 35°0.1
47 °
Harmon Beach, Monday, 9 November
Climate normal for this date — 60-year average.
Average high47°
Average low35°
Average precipitation0.1 in
Chance of precipitation28%
Record high66° (2020)
Record low20° (1971)
Tue, 1047° / 35°0.15
47 °
Harmon Beach, Tuesday, 10 November
Climate normal for this date — 60-year average.
Average high47°
Average low35°
Average precipitation0.15 in
Chance of precipitation30%
Record high69° (2020)
Record low22° (1995)
Wed, 1146° / 35°0.12
46 °
Harmon Beach, Wednesday, 11 November
Climate normal for this date — 60-year average.
Average high46°
Average low35°
Average precipitation0.12 in
Chance of precipitation42%
Record high71° (2020)
Record low21° (2017)
Thu, 1245° / 33°0.13
45 °
Harmon Beach, Thursday, 12 November
Climate normal for this date — 60-year average.
Average high45°
Average low33°
Average precipitation0.13 in
Chance of precipitation32%
Record high68° (2022)
Record low20° (2019)
Fri, 1344° / 32°0.16
44 °
Harmon Beach, Friday, 13 November
Climate normal for this date — 60-year average.
Average high44°
Average low32°
Average precipitation0.16 in
Chance of precipitation37%
Record high63° (1964)
Record low15° (2019)
Sat, 1444° / 32°0.09
44 °
Harmon Beach, Saturday, 14 November
Climate normal for this date — 60-year average.
Average high44°
Average low32°
Average precipitation0.09 in
Chance of precipitation30%
Record high61° (2011)
Record low14° (1986)
Sun, 1544° / 32°0.11
44 °
Harmon Beach, Sunday, 15 November
Climate normal for this date — 60-year average.
Average high44°
Average low32°
Average precipitation0.11 in
Chance of precipitation40%
Record high60° (1994)
Record low15° (2018)
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 Harmon Beach, ME 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 Harmon Beach, ME 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.