As of 22:01 EDT

Weather in Arnolds, CT

51°Current weather

Arnolds, Friday, 9 October, 22:01

Overcast. Feels like 49°. High 68°, low 45°.

Pressure30.24 inHg
Wind4.6 mph SW
Humidity82%
Visibility6.2 mi
Dew point44°

Monthly outlook for Arnolds, CT: average high 62.5°, average low 46°. That is 0.8° above the climate normal for October. Precipitation is expected on 9 days (about 3.0 inches), against a normal of 5 days and 2.1 inches. The warmest day looks like 13 October (70.8°), the coolest 19 October (33.5°).

62.5°/46°
Average high / low
+0.8°
Above normal
9 / 5
Wet days / normal
3.0 in
Precipitation this month

Ten-day blocks vs climate normal

PeriodForecast highNormalDifference
9 October – 18 October64°62°+1.1°
19 October – 28 October59.9°58.9°+0.6°
29 October – 7 Novemberat normal56°—

October records over 66 years

80.6°2 October 2019All-time high
29.1°31 October 2020All-time low

Climate normals and records are computed from the nearest reference point — Old Lyme (15 mi).

Sat, 1064° / 42°0Overcast
64 °Overcast

Arnolds, Saturday, 10 October

Overcast. High 64°, low 42°.

Pressure30.47 inHg
Wind2.9 mph N
Humidity48%
Visibility6.2 mi
Dew point41°
Sun, 1161° / 42°0.35Rain
61 °Rain

Arnolds, Sunday, 11 October

Rain. High 61°, low 42°.

Pressure30.33 inHg
Wind7.7 mph SE
Humidity64%
Visibility6.2 mi
Dew point48°
Mon, 1268° / 57°0.54Rain
68 °Rain

Arnolds, Monday, 12 October

Rain. High 68°, low 57°.

Pressure29.71 inHg
Wind12.9 mph N
Humidity84%
Visibility6.2 mi
Dew point56°
Tue, 1371° / 54°0.06Light rain
71 °Light rain

Arnolds, Tuesday, 13 October

Light rain. High 71°, low 54°.

Pressure29.85 inHg
Wind7.1 mph S
Humidity67%
Visibility6.2 mi
Dew point57°
Wed, 1467° / 54°0.38Rain
67 °Rain

Arnolds, Wednesday, 14 October

Rain. High 67°, low 54°.

Pressure29.83 inHg
Wind11 mph NW
Humidity75%
Visibility—
Dew point58°
Thu, 1560° / 47°0Clear
60 °Clear

Arnolds, Thursday, 15 October

Clear. High 60°, low 47°.

Pressure30.12 inHg
Wind11.9 mph NW
Humidity55%
Visibility—
Dew point39°
Fri, 1663° / 48°0.29Rain
63 °Rain

Arnolds, Friday, 16 October

Rain. High 63°, low 48°.

Pressure30.09 inHg
Wind8.3 mph S
Humidity95%
Visibility—
Dew point52°
Sat, 1766° / 50°0.24Light rain
66 °Light rain

Arnolds, Saturday, 17 October

Light rain. High 66°, low 50°.

Pressure29.83 inHg
Wind10.4 mph S
Humidity93%
Visibility—
Dew point64°
Sun, 1853° / 38°0.15Light rain
53 °Light rain

Arnolds, Sunday, 18 October

Light rain. High 53°, low 38°.

Pressure30.12 inHg
Wind10.7 mph NW
Humidity68%
Visibility—
Dew point42°
Mon, 1954° / 34°0Clear
54 °Clear

Arnolds, Monday, 19 October

Clear. High 54°, low 34°.

Pressure30.45 inHg
Wind5.5 mph N
Humidity43%
Visibility—
Dew point25°
Tue, 2056° / 36°0Clear
56 °Clear

Arnolds, Tuesday, 20 October

Clear. High 56°, low 36°.

Pressure30.56 inHg
Wind8.7 mph NE
Humidity51%
Visibility—
Dew point33°
Wed, 2155° / 36°0Partly cloudy
55 °Partly cloudy

Arnolds, Wednesday, 21 October

Partly cloudy. High 55°, low 36°.

Pressure30.65 inHg
Wind5.4 mph S
Humidity56%
Visibility—
Dew point34°
Thu, 2259° / 42°0Overcast
59 °Overcast

Arnolds, Thursday, 22 October

Overcast. High 59°, low 42°.

Pressure30.42 inHg
Wind9.1 mph SE
Humidity65%
Visibility—
Dew point44°
Fri, 2366° / 54°0.39Rain
66 °Rain

Arnolds, Friday, 23 October

Rain. High 66°, low 54°.

Pressure30.15 inHg
Wind10.7 mph S
Humidity76%
Visibility—
Dew point56°
Sat, 2470° / 57°0.61Heavy rain
70 °Heavy rain

Arnolds, Saturday, 24 October

Heavy rain. High 70°, low 57°.

Pressure29.97 inHg
Wind13.9 mph S
Humidity76%
Visibility—
Dew point57°
From day 17 onward the outlook is built from 60-year climate statistics
Sun, 2559° / 49°0.14Climate normal
59 °Climate normal

Arnolds, Sunday, 25 October

Climate normal for this date — 60-year average.

Average high59°
Average low49°
Average precipitation0.14 in
Chance of precipitation32%
Record high71° (2021)
Record low39° (1962)
Mon, 2658° / 48°0.15Climate normal
58 °Climate normal

Arnolds, Monday, 26 October

Climate normal for this date — 60-year average.

Average high58°
Average low48°
Average precipitation0.15 in
Chance of precipitation32%
Record high70° (1971)
Record low35° (2018)
Tue, 2758° / 47°0.15Climate normal
58 °Climate normal

Arnolds, Tuesday, 27 October

Climate normal for this date — 60-year average.

Average high58°
Average low47°
Average precipitation0.15 in
Chance of precipitation23%
Record high71° (1963)
Record low32° (1976)
Wed, 2858° / 47°0.17Climate normal
58 °Climate normal

Arnolds, Wednesday, 28 October

Climate normal for this date — 60-year average.

Average high58°
Average low47°
Average precipitation0.17 in
Chance of precipitation33%
Record high74° (2023)
Record low32° (1976)
Thu, 2956° / 46°0.17Climate normal
56 °Climate normal

Arnolds, Thursday, 29 October

Climate normal for this date — 60-year average.

Average high56°
Average low46°
Average precipitation0.17 in
Chance of precipitation25%
Record high71° (1984)
Record low33° (1965)
Fri, 3056° / 45°0.15Climate normal
56 °Climate normal

Arnolds, Friday, 30 October

Climate normal for this date — 60-year average.

Average high56°
Average low45°
Average precipitation0.15 in
Chance of precipitation23%
Record high66° (1971)
Record low35° (2020)
Sat, 3156° / 46°0.07Climate normal
56 °Climate normal

Arnolds, Saturday, 31 October

Climate normal for this date — 60-year average.

Average high56°
Average low46°
Average precipitation0.07 in
Chance of precipitation23%
Record high72° (2024)
Record low29° (2020)
Sun, 0158° / 47°0.12Climate normal
58 °Climate normal

Arnolds, Sunday, 1 November

Climate normal for this date — 60-year average.

Average high58°
Average low47°
Average precipitation0.12 in
Chance of precipitation28%
Record high74° (2024)
Record low37° (2010)
Mon, 0257° / 47°0.08Climate normal
57 °Climate normal

Arnolds, Monday, 2 November

Climate normal for this date — 60-year average.

Average high57°
Average low47°
Average precipitation0.08 in
Chance of precipitation30%
Record high69° (2022)
Record low31° (1965)
Tue, 0357° / 46°0.16Climate normal
57 °Climate normal

Arnolds, Tuesday, 3 November

Climate normal for this date — 60-year average.

Average high57°
Average low46°
Average precipitation0.16 in
Chance of precipitation30%
Record high69° (2017)
Record low35° (1980)
Wed, 0456° / 46°0.04Climate normal
56 °Climate normal

Arnolds, Wednesday, 4 November

Climate normal for this date — 60-year average.

Average high56°
Average low46°
Average precipitation0.04 in
Chance of precipitation27%
Record high68° (1975)
Record low34° (2013)
Thu, 0556° / 46°0.15Climate normal
56 °Climate normal

Arnolds, Thursday, 5 November

Climate normal for this date — 60-year average.

Average high56°
Average low46°
Average precipitation0.15 in
Chance of precipitation40%
Record high70° (2022)
Record low34° (1965)
Fri, 0655° / 45°0.11Climate normal
55 °Climate normal

Arnolds, Friday, 6 November

Climate normal for this date — 60-year average.

Average high55°
Average low45°
Average precipitation0.11 in
Chance of precipitation35%
Record high71° (2024)
Record low33° (2012)
Sat, 0755° / 44°0.07Climate normal
55 °Climate normal

Arnolds, Saturday, 7 November

Climate normal for this date — 60-year average.

Average high55°
Average low44°
Average precipitation0.07 in
Chance of precipitation25%
Record high72° (2022)
Record low32° (1962)

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 Arnolds, 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 Arnolds, 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.