Monthly outlook for Old Mystic, CT: average high 56.1°, average low 43.2°. That is 1.3° above the climate normal for November. Precipitation is expected on 4 days (about 5.3 inches), against a normal of 5 days and 2.1 inches. The warmest day looks like 3 November (69.5°), the coolest 17 November (29.9°).
56.1°/43.2°
Average high / low
+1.3°
Above normal
4 / 5
Wet days / normal
5.3 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
2 November – 11 November
60.7°
55.3°
+3°
12 November – 21 November
48.4°
50.7°
-1.3°
22 November – 1 December
at normal
48.3°
—
November records over 66 years
74.3°1 November 2024All-time high
15.1°22 November 2018All-time low
Climate normals and records are computed from the nearest reference point — Fishers Island (8 mi).
Tue, 0369° / 41°0
69 °
Old Mystic, Tuesday, 3 November
Partly cloudy. High 69°, low 41°.
Pressure30.27 inHg
Wind6.5 mph SW
Humidity50%
Visibility6.2 mi
Dew point46°
Wed, 0467° / 44°0
67 °
Old Mystic, Wednesday, 4 November
Clear. High 67°, low 44°.
Pressure30.15 inHg
Wind9.7 mph SW
Humidity59%
Visibility6.2 mi
Dew point53°
Thu, 0568° / 55°0
68 °
Old Mystic, Thursday, 5 November
Overcast. High 68°, low 55°.
Pressure30.00 inHg
Wind8.9 mph SW
Humidity67%
Visibility6.2 mi
Dew point58°
Fri, 0663° / 61°2.6
63 °
Old Mystic, Friday, 6 November
Heavy rain. High 63°, low 61°.
Pressure29.91 inHg
Wind9.2 mph S
Humidity99%
Visibility1.7 mi
Dew point63°
Sat, 0762° / 55°1.77
62 °
Old Mystic, Saturday, 7 November
Heavy rain. High 62°, low 55°.
Pressure29.80 inHg
Wind8.1 mph N
Humidity99%
Visibility—
Dew point61°
Sun, 0857° / 46°0
57 °
Old Mystic, Sunday, 8 November
Overcast. High 57°, low 46°.
Pressure29.88 inHg
Wind6.4 mph SW
Humidity66%
Visibility—
Dew point45°
Mon, 0953° / 45°0.43
53 °
Old Mystic, Monday, 9 November
Rain. High 53°, low 45°.
Pressure29.77 inHg
Wind17.5 mph E
Humidity76%
Visibility—
Dew point44°
Tue, 1049° / 41°0.52
49 °
Old Mystic, Tuesday, 10 November
Rain. High 49°, low 41°.
Pressure29.50 inHg
Wind19.3 mph NW
Humidity95%
Visibility—
Dew point42°
Wed, 1149° / 41°0
49 °
Old Mystic, Wednesday, 11 November
Light rain. High 49°, low 41°.
Pressure29.68 inHg
Wind19.3 mph W
Humidity63%
Visibility—
Dew point35°
Thu, 1253° / 43°0
53 °
Old Mystic, Thursday, 12 November
Overcast. High 53°, low 43°.
Pressure29.74 inHg
Wind16.8 mph W
Humidity56%
Visibility—
Dew point35°
Fri, 1349° / 38°0
49 °
Old Mystic, Friday, 13 November
Overcast. High 49°, low 38°.
Pressure29.94 inHg
Wind11.4 mph W
Humidity61%
Visibility—
Dew point33°
Sat, 1451° / 38°0
51 °
Old Mystic, Saturday, 14 November
Partly cloudy. High 51°, low 38°.
Pressure29.88 inHg
Wind21.3 mph W
Humidity57%
Visibility—
Dew point32°
Sun, 1548° / 39°0
48 °
Old Mystic, Sunday, 15 November
Overcast. High 48°, low 39°.
Pressure30.06 inHg
Wind14 mph NW
Humidity56%
Visibility—
Dew point29°
Mon, 1644° / 33°0
44 °
Old Mystic, Monday, 16 November
Overcast. High 44°, low 33°.
Pressure30.24 inHg
Wind11.9 mph N
Humidity47%
Visibility—
Dew point21°
Tue, 1745° / 30°0
45 °
Old Mystic, Tuesday, 17 November
Overcast. High 45°, low 30°.
Pressure30.50 inHg
Wind8.5 mph NE
Humidity50%
Visibility—
Dew point22°
From day 17 onward the outlook is built from 60-year climate statistics
Wed, 1851° / 39°0.08
51 °
Old Mystic, Wednesday, 18 November
Climate normal for this date — 60-year average.
Average high51°
Average low39°
Average precipitation0.08 in
Chance of precipitation23%
Record high64° (1987)
Record low27° (2020)
Thu, 1950° / 38°0.06
50 °
Old Mystic, Thursday, 19 November
Climate normal for this date — 60-year average.
Average high50°
Average low38°
Average precipitation0.06 in
Chance of precipitation18%
Record high62° (2021)
Record low22° (1986)
Fri, 2050° / 38°0.12
50 °
Old Mystic, Friday, 20 November
Climate normal for this date — 60-year average.
Average high50°
Average low38°
Average precipitation0.12 in
Chance of precipitation32%
Record high65° (1985)
Record low18° (1986)
Sat, 2149° / 37°0.11
49 °
Old Mystic, Saturday, 21 November
Climate normal for this date — 60-year average.
Average high49°
Average low37°
Average precipitation0.11 in
Chance of precipitation30%
Record high61° (1999)
Record low19° (1987)
Sun, 2248° / 37°0.15
48 °
Old Mystic, Sunday, 22 November
Climate normal for this date — 60-year average.
Average high48°
Average low37°
Average precipitation0.15 in
Chance of precipitation37%
Record high62° (1982)
Record low15° (2018)
Mon, 2347° / 36°0.13
47 °
Old Mystic, Monday, 23 November
Climate normal for this date — 60-year average.
Average high47°
Average low36°
Average precipitation0.13 in
Chance of precipitation25%
Record high63° (1979)
Record low15° (2018)
Tue, 2448° / 37°0.1
48 °
Old Mystic, Tuesday, 24 November
Climate normal for this date — 60-year average.
Average high48°
Average low37°
Average precipitation0.1 in
Chance of precipitation32%
Record high64° (1979)
Record low17° (1989)
Wed, 2549° / 36°0.16
49 °
Old Mystic, Wednesday, 25 November
Climate normal for this date — 60-year average.
Average high49°
Average low36°
Average precipitation0.16 in
Chance of precipitation23%
Record high65° (1979)
Record low21° (2013)
Thu, 2650° / 38°0.2
50 °
Old Mystic, Thursday, 26 November
Climate normal for this date — 60-year average.
Average high50°
Average low38°
Average precipitation0.2 in
Chance of precipitation43%
Record high64° (1979)
Record low24° (1978)
Fri, 2749° / 38°0.13
49 °
Old Mystic, Friday, 27 November
Climate normal for this date — 60-year average.
Average high49°
Average low38°
Average precipitation0.13 in
Chance of precipitation35%
Record high61° (1986)
Record low22° (1978)
Sat, 2850° / 38°0.2
50 °
Old Mystic, Saturday, 28 November
Climate normal for this date — 60-year average.
Average high50°
Average low38°
Average precipitation0.2 in
Chance of precipitation37%
Record high63° (1990)
Record low17° (2002)
Sun, 2948° / 37°0.08
48 °
Old Mystic, Sunday, 29 November
Climate normal for this date — 60-year average.
Average high48°
Average low37°
Average precipitation0.08 in
Chance of precipitation25%
Record high65° (2011)
Record low25° (1996)
Mon, 3047° / 36°0.14
47 °
Old Mystic, Monday, 30 November
Climate normal for this date — 60-year average.
Average high47°
Average low36°
Average precipitation0.14 in
Chance of precipitation33%
Record high62° (2020)
Record low23° (2013)
Tue, 0147° / 36°0.13
47 °
Old Mystic, Tuesday, 1 December
Climate normal for this date — 60-year average.
Average high47°
Average low36°
Average precipitation0.13 in
Chance of precipitation42%
Record high65° (2001)
Record low20° (1989)
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 Mystic, CT 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 Mystic, CT 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.