Monthly outlook for West Acton, MA: average high 58.8°, average low 46.1°. That is 3.5° above the climate normal for October. Precipitation is expected on 7 days (about 3.6 inches), against a normal of 5 days and 1.9 inches. The warmest day looks like 29 October (67.7°), the coolest 1 November (32°).
58.8°/46.1°
Average high / low
+3.5°
Above normal
7 / 5
Wet days / normal
3.6 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
29 October – 7 November
61.3°
54.1°
+4°
8 November – 17 November
54.5°
48.8°
+3.1°
18 November – 27 November
at normal
45.1°
—
October records over 66 years
85.8°5 October 2007All-time high
23.4°31 October 2020All-time low
Climate normals and records are computed from the nearest reference point — Groton (11 mi).
Fri, 3068° / 47°0
68 °
West Acton, Friday, 30 October
Clear. High 68°, low 47°.
Pressure29.97 inHg
Wind10.1 mph W
Humidity49%
Visibility6.2 mi
Dew point44°
Sat, 3152° / 37°0
52 °
West Acton, Saturday, 31 October
Clear. High 52°, low 37°.
Pressure30.39 inHg
Wind10.2 mph NW
Humidity49%
Visibility6.2 mi
Dew point24°
Sun, 0157° / 32°0
57 °
West Acton, Sunday, 1 November
Clear. High 57°, low 32°.
Pressure30.42 inHg
Wind4.3 mph W
Humidity44%
Visibility6.2 mi
Dew point31°
Mon, 0267° / 44°0
67 °
West Acton, Monday, 2 November
Overcast. High 67°, low 44°.
Pressure30.24 inHg
Wind9.3 mph SW
Humidity49%
Visibility—
Dew point40°
Tue, 0365° / 48°0
65 °
West Acton, Tuesday, 3 November
Overcast. High 65°, low 48°.
Pressure30.15 inHg
Wind10.4 mph S
Humidity52%
Visibility—
Dew point43°
Wed, 0454° / 47°0
54 °
West Acton, Wednesday, 4 November
Overcast. High 54°, low 47°.
Pressure30.45 inHg
Wind5.5 mph SE
Humidity57%
Visibility—
Dew point36°
Thu, 0553° / 47°0.13
53 °
West Acton, Thursday, 5 November
Light rain. High 53°, low 47°.
Pressure30.33 inHg
Wind5.6 mph SE
Humidity96%
Visibility—
Dew point49°
Fri, 0663° / 48°0.36
63 °
West Acton, Friday, 6 November
Rain. High 63°, low 48°.
Pressure29.94 inHg
Wind12.4 mph SE
Humidity92%
Visibility—
Dew point56°
Sat, 0767° / 59°0.31
67 °
West Acton, Saturday, 7 November
Rain. High 67°, low 59°.
Pressure29.59 inHg
Wind10.5 mph S
Humidity90%
Visibility—
Dew point62°
Sun, 0856° / 52°1.07
56 °
West Acton, Sunday, 8 November
Heavy rain. High 56°, low 52°.
Pressure29.74 inHg
Wind17.9 mph NE
Humidity93%
Visibility—
Dew point50°
Mon, 0952° / 50°1.17
52 °
West Acton, Monday, 9 November
Rain. High 52°, low 50°.
Pressure29.59 inHg
Wind19.2 mph NE
Humidity94%
Visibility—
Dew point48°
Tue, 1052° / 51°0.46
52 °
West Acton, Tuesday, 10 November
Rain. High 52°, low 51°.
Pressure29.53 inHg
Wind11.1 mph N
Humidity96%
Visibility—
Dew point51°
Wed, 1156° / 45°0
56 °
West Acton, Wednesday, 11 November
Overcast. High 56°, low 45°.
Pressure29.68 inHg
Wind10.7 mph SW
Humidity75%
Visibility—
Dew point46°
Thu, 1255° / 40°0
55 °
West Acton, Thursday, 12 November
Overcast. High 55°, low 40°.
Pressure29.94 inHg
Wind9.4 mph SW
Humidity58%
Visibility—
Dew point36°
Fri, 1355° / 47°0.09
55 °
West Acton, Friday, 13 November
Light rain. High 55°, low 47°.
Pressure29.77 inHg
Wind11 mph W
Humidity75%
Visibility—
Dew point44°
From day 17 onward the outlook is built from 60-year climate statistics
Sat, 1447° / 34°0.12
47 °
West Acton, Saturday, 14 November
Climate normal for this date — 60-year average.
Average high47°
Average low34°
Average precipitation0.12 in
Chance of precipitation25%
Record high65° (1973)
Record low9° (1986)
Sun, 1548° / 34°0.12
48 °
West Acton, Sunday, 15 November
Climate normal for this date — 60-year average.
Average high48°
Average low34°
Average precipitation0.12 in
Chance of precipitation37%
Record high72° (1993)
Record low19° (1967)
Mon, 1648° / 34°0.15
48 °
West Acton, Monday, 16 November
Climate normal for this date — 60-year average.
Average high48°
Average low34°
Average precipitation0.15 in
Chance of precipitation25%
Record high66° (2005)
Record low13° (1967)
Tue, 1747° / 32°0.13
47 °
West Acton, Tuesday, 17 November
Climate normal for this date — 60-year average.
Average high47°
Average low32°
Average precipitation0.13 in
Chance of precipitation30%
Record high64° (2006)
Record low11° (1972)
Wed, 1847° / 33°0.07
47 °
West Acton, Wednesday, 18 November
Climate normal for this date — 60-year average.
Average high47°
Average low33°
Average precipitation0.07 in
Chance of precipitation23%
Record high66° (1963)
Record low23° (2020)
Thu, 1946° / 32°0.06
46 °
West Acton, Thursday, 19 November
Climate normal for this date — 60-year average.
Average high46°
Average low32°
Average precipitation0.06 in
Chance of precipitation18%
Record high64° (1991)
Record low13° (1986)
Fri, 2046° / 32°0.12
46 °
West Acton, Friday, 20 November
Climate normal for this date — 60-year average.
Average high46°
Average low32°
Average precipitation0.12 in
Chance of precipitation33%
Record high68° (1991)
Record low7° (1986)
Sat, 2145° / 31°0.12
45 °
West Acton, Saturday, 21 November
Climate normal for this date — 60-year average.
Average high45°
Average low31°
Average precipitation0.12 in
Chance of precipitation32%
Record high60° (1991)
Record low15° (1967)
Sun, 2244° / 31°0.15
44 °
West Acton, Sunday, 22 November
Climate normal for this date — 60-year average.
Average high44°
Average low31°
Average precipitation0.15 in
Chance of precipitation38%
Record high62° (1999)
Record low4° (2018)
Mon, 2344° / 30°0.14
44 °
West Acton, Monday, 23 November
Climate normal for this date — 60-year average.
Average high44°
Average low30°
Average precipitation0.14 in
Chance of precipitation25%
Record high66° (1999)
Record low6° (2018)
Tue, 2444° / 31°0.07
44 °
West Acton, Tuesday, 24 November
Climate normal for this date — 60-year average.
Average high44°
Average low31°
Average precipitation0.07 in
Chance of precipitation28%
Record high66° (1979)
Record low3° (1989)
Wed, 2545° / 31°0.14
45 °
West Acton, Wednesday, 25 November
Climate normal for this date — 60-year average.
Average high45°
Average low31°
Average precipitation0.14 in
Chance of precipitation30%
Record high65° (1979)
Record low15° (1997)
Thu, 2646° / 32°0.18
46 °
West Acton, Thursday, 26 November
Climate normal for this date — 60-year average.
Average high46°
Average low32°
Average precipitation0.18 in
Chance of precipitation45%
Record high63° (1979)
Record low17° (1978)
Fri, 2746° / 31°0.12
46 °
West Acton, Friday, 27 November
Climate normal for this date — 60-year average.
Average high46°
Average low31°
Average precipitation0.12 in
Chance of precipitation38%
Record high62° (1979)
Record low14° (1978)
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 West Acton, 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 West Acton, 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.