Monthly outlook for Acton, ME: average high 54.6°, average low 39.1°. That is 0.6° below the climate normal for October. Precipitation is expected on 7 days (about 2.4 inches), against a normal of 5 days and 2.2 inches. The warmest day looks like 12 October (68.4°), the coolest 22 October (30.2°).
54.6°/39.1°
Average high / low
−0.6°
Below normal
7 / 5
Wet days / normal
2.4 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
12 October – 21 October
56°
56.8°
-0.4°
22 October – 31 October
52.4°
53.1°
-0.4°
1 November – 10 November
at normal
49.7°
—
October records over 66 years
82.4°6 October 2025All-time high
24.6°24 October 1969All-time low
Tue, 1353° / 43°0.97
53 °
Acton, Tuesday, 13 October
Heavy rain. High 53°, low 43°.
Pressure30.09 inHg
Wind7.6 mph E
Humidity97%
Visibility3.4 mi
Dew point42°
Wed, 1467° / 46°0.06
67 °
Acton, Wednesday, 14 October
Light rain. High 67°, low 46°.
Pressure29.77 inHg
Wind2 mph NW
Humidity85%
Visibility6.2 mi
Dew point54°
Thu, 1556° / 44°0
56 °
Acton, Thursday, 15 October
Clear. High 56°, low 44°.
Pressure30.18 inHg
Wind7.4 mph NW
Humidity44%
Visibility6.2 mi
Dew point32°
Fri, 1649° / 42°0.38
49 °
Acton, Friday, 16 October
Rain. High 49°, low 42°.
Pressure29.77 inHg
Wind16 mph NW
Humidity92%
Visibility—
Dew point45°
Sat, 1744° / 35°0
44 °
Acton, Saturday, 17 October
Light snow. High 44°, low 35°.
Pressure29.91 inHg
Wind19.3 mph NW
Humidity65%
Visibility—
Dew point30°
Sun, 1847° / 31°0
47 °
Acton, Sunday, 18 October
Mostly clear. High 47°, low 31°.
Pressure30.42 inHg
Wind11.4 mph NW
Humidity36%
Visibility—
Dew point15°
Mon, 1962° / 33°0
62 °
Acton, Monday, 19 October
Clear. High 62°, low 33°.
Pressure30.42 inHg
Wind11.5 mph SW
Humidity42%
Visibility—
Dew point28°
Tue, 2060° / 44°0
60 °
Acton, Tuesday, 20 October
Overcast. High 60°, low 44°.
Pressure30.21 inHg
Wind7.9 mph W
Humidity63%
Visibility—
Dew point40°
Wed, 2155° / 35°0
55 °
Acton, Wednesday, 21 October
Clear. High 55°, low 35°.
Pressure30.33 inHg
Wind8.5 mph NE
Humidity52%
Visibility—
Dew point34°
Thu, 2252° / 30°0
52 °
Acton, Thursday, 22 October
Clear. High 52°, low 30°.
Pressure30.62 inHg
Wind4.2 mph NW
Humidity48%
Visibility—
Dew point26°
Fri, 2355° / 33°0.04
55 °
Acton, Friday, 23 October
Light rain. High 55°, low 33°.
Pressure30.30 inHg
Wind10.2 mph SW
Humidity53%
Visibility—
Dew point31°
Sat, 2453° / 38°0
53 °
Acton, Saturday, 24 October
Clear. High 53°, low 38°.
Pressure30.18 inHg
Wind10.8 mph W
Humidity55%
Visibility—
Dew point32°
Sun, 2551° / 36°0.05
51 °
Acton, Sunday, 25 October
Light rain. High 51°, low 36°.
Pressure30.15 inHg
Wind7.7 mph S
Humidity71%
Visibility—
Dew point35°
Mon, 2655° / 49°0.59
55 °
Acton, Monday, 26 October
Rain. High 55°, low 49°.
Pressure29.53 inHg
Wind11.2 mph W
Humidity98%
Visibility—
Dew point49°
Tue, 2749° / 41°0.06
49 °
Acton, Tuesday, 27 October
Light rain. High 49°, low 41°.
Pressure29.32 inHg
Wind14.5 mph NW
Humidity55%
Visibility—
Dew point29°
From day 17 onward the outlook is built from 60-year climate statistics
Wed, 2853° / 38°0.17
53 °
Acton, Wednesday, 28 October
Climate normal for this date — 60-year average.
Average high53°
Average low38°
Average precipitation0.17 in
Chance of precipitation35%
Record high75° (2023)
Record low26° (1976)
Thu, 2952° / 37°0.11
52 °
Acton, Thursday, 29 October
Climate normal for this date — 60-year average.
Average high52°
Average low37°
Average precipitation0.11 in
Chance of precipitation32%
Record high69° (2015)
Record low27° (1965)
Fri, 3050° / 37°0.17
50 °
Acton, Friday, 30 October
Climate normal for this date — 60-year average.
Average high50°
Average low37°
Average precipitation0.17 in
Chance of precipitation23%
Record high68° (1989)
Record low26° (1962)
Sat, 3152° / 37°0.11
52 °
Acton, Saturday, 31 October
Climate normal for this date — 60-year average.
Average high52°
Average low37°
Average precipitation0.11 in
Chance of precipitation25%
Record high74° (2024)
Record low26° (1988)
Sun, 0152° / 38°0.11
52 °
Acton, Sunday, 1 November
Climate normal for this date — 60-year average.
Average high52°
Average low38°
Average precipitation0.11 in
Chance of precipitation27%
Record high71° (1974)
Record low28° (2023)
Mon, 0251° / 38°0.15
51 °
Acton, Monday, 2 November
Climate normal for this date — 60-year average.
Average high51°
Average low38°
Average precipitation0.15 in
Chance of precipitation33%
Record high67° (2001)
Record low24° (2002)
Tue, 0351° / 38°0.24
51 °
Acton, Tuesday, 3 November
Climate normal for this date — 60-year average.
Average high51°
Average low38°
Average precipitation0.24 in
Chance of precipitation37%
Record high67° (1990)
Record low22° (2002)
Wed, 0451° / 37°0.08
51 °
Acton, Wednesday, 4 November
Climate normal for this date — 60-year average.
Average high51°
Average low37°
Average precipitation0.08 in
Chance of precipitation23%
Record high69° (1987)
Record low26° (2002)
Thu, 0550° / 37°0.19
50 °
Acton, Thursday, 5 November
Climate normal for this date — 60-year average.
Average high50°
Average low37°
Average precipitation0.19 in
Chance of precipitation37%
Record high73° (2022)
Record low25° (1965)
Fri, 0649° / 38°0.13
49 °
Acton, Friday, 6 November
Climate normal for this date — 60-year average.
Average high49°
Average low38°
Average precipitation0.13 in
Chance of precipitation35%
Record high74° (2024)
Record low26° (2012)
Sat, 0749° / 36°0.06
49 °
Acton, 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 low22° (2002)
Sun, 0847° / 35°0.09
47 °
Acton, Sunday, 8 November
Climate normal for this date — 60-year average.
Average high47°
Average low35°
Average precipitation0.09 in
Chance of precipitation28%
Record high68° (2020)
Record low22° (2002)
Mon, 0947° / 35°0.1
47 °
Acton, Monday, 9 November
Climate normal for this date — 60-year average.
Average high47°
Average low35°
Average precipitation0.1 in
Chance of precipitation28%
Record high68° (2020)
Record low20° (1971)
Tue, 1048° / 35°0.16
48 °
Acton, Tuesday, 10 November
Climate normal for this date — 60-year average.
Average high48°
Average low35°
Average precipitation0.16 in
Chance of precipitation30%
Record high69° (2020)
Record low21° (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 Acton, 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 Acton, 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.