Weather Forecast for Mystic
Connecticut, United States of America
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Current Weather - Mystic: 26°C
Current Weather - Mystic: 26°C
Connecticut, United States of America
Partly Cloudy
Feels like 26°C
Wind
18 km/h W
Humidity
41%
Pressure
1005 mb
UV Index
4
Visibility
16 km
Sunny
Saturday, June 20, 2026
High
29°C
Low
17°C
Rain Chance
2%
Hourly Forecast
22°C
21°C
19°C
Day Statistics
Maximum Wind
31 km/h
Humidity
49%
Precipitation
0 mm
UV Index
8
Visibility
10 km
Rain Chance
2%
Snow Chance
0%
Sun & Moon
Sunrise
05:14 AM
Sunset
08:24 PM
Moonrise
11:21 AM
Moonset
Does not set today
Moon Phase
First Quarter
Moon Illumination
38%
Air Quality
PM2.5
5.7
μg/m³
PM10
6.2
μg/m³
NO₂
3
μg/m³
O₃
81.1
μg/m³
SO₂
0.4
μg/m³
CO
113.5
μg/m³
Sunny
Sunday, June 21, 2026
High
24°C
Low
15°C
Rain Chance
5%
Hourly Forecast
17°C
16°C
16°C
15°C
15°C
15°C
16°C
18°C
19°C
20°C
21°C
22°C
23°C
23°C
24°C
23°C
23°C
22°C
21°C
20°C
20°C
19°C
18°C
18°C
Day Statistics
Maximum Wind
20 km/h
Humidity
65%
Precipitation
0 mm
UV Index
8
Visibility
10 km
Rain Chance
5%
Snow Chance
0%
Sun & Moon
Sunrise
05:14 AM
Sunset
08:24 PM
Moonrise
12:33 PM
Moonset
12:17 AM
Moon Phase
First Quarter
Moon Illumination
48%
Air Quality
PM2.5
11
μg/m³
PM10
12.8
μg/m³
NO₂
6.4
μg/m³
O₃
87.5
μg/m³
SO₂
0.6
μg/m³
CO
115.4
μg/m³
Moderate rain
Monday, June 22, 2026
High
21°C
Low
16°C
Rain Chance
83%
Hourly Forecast
17°C
17°C
16°C
16°C
16°C
16°C
17°C
18°C
19°C
20°C
20°C
18°C
17°C
17°C
17°C
16°C
16°C
16°C
17°C
17°C
17°C
18°C
18°C
19°C
Day Statistics
Maximum Wind
25 km/h
Humidity
83%
Precipitation
20 mm
UV Index
1
Visibility
9 km
Rain Chance
83%
Snow Chance
0%
Sun & Moon
Sunrise
05:14 AM
Sunset
08:24 PM
Moonrise
01:43 PM
Moonset
12:40 AM
Moon Phase
First Quarter
Moon Illumination
59%
Air Quality
PM2.5
16
μg/m³
PM10
21.2
μg/m³
NO₂
9.1
μg/m³
O₃
85.7
μg/m³
SO₂
0.6
μg/m³
CO
134
μg/m³
Heavy rain
Tuesday, June 23, 2026
High
20°C
Low
16°C
Rain Chance
91%
Hourly Forecast
19°C
19°C
19°C
19°C
19°C
18°C
18°C
18°C
18°C
17°C
17°C
17°C
17°C
17°C
17°C
18°C
19°C
19°C
19°C
19°C
18°C
18°C
17°C
17°C
Day Statistics
Maximum Wind
15 km/h
Humidity
94%
Precipitation
34 mm
UV Index
7
Visibility
9 km
Rain Chance
91%
Snow Chance
0%
Sun & Moon
Sunrise
05:15 AM
Sunset
08:25 PM
Moonrise
02:52 PM
Moonset
01:02 AM
Moon Phase
Waxing Gibbous
Moon Illumination
69%
Air Quality
PM2.5
5.1
μg/m³
PM10
6.1
μg/m³
NO₂
4.3
μg/m³
O₃
96.2
μg/m³
SO₂
0.3
μg/m³
CO
133.2
μg/m³
Sunny
Wednesday, June 24, 2026
High
24°C
Low
15°C
Rain Chance
7%
Hourly Forecast
16°C
16°C
16°C
16°C
15°C
15°C
16°C
17°C
19°C
21°C
22°C
23°C
23°C
24°C
24°C
24°C
23°C
23°C
22°C
20°C
19°C
18°C
18°C
18°C
Day Statistics
Maximum Wind
14 km/h
Humidity
72%
Precipitation
0 mm
UV Index
2
Visibility
10 km
Rain Chance
7%
Snow Chance
0%
Sun & Moon
Sunrise
05:15 AM
Sunset
08:25 PM
Moonrise
04:01 PM
Moonset
01:26 AM
Moon Phase
Waxing Gibbous
Moon Illumination
79%
Air Quality
PM2.5
4
μg/m³
PM10
4.1
μg/m³
NO₂
5.9
μg/m³
O₃
55.7
μg/m³
SO₂
0.4
μg/m³
CO
160.4
μg/m³
Sunny
Thursday, June 25, 2026
High
23°C
Low
17°C
Rain Chance
10%
Hourly Forecast
17°C
17°C
17°C
17°C
17°C
18°C
19°C
20°C
21°C
22°C
22°C
23°C
23°C
23°C
23°C
23°C
22°C
22°C
21°C
20°C
19°C
19°C
18°C
18°C
Day Statistics
Maximum Wind
19 km/h
Humidity
80%
Precipitation
0 mm
UV Index
5
Visibility
10 km
Rain Chance
10%
Snow Chance
0%
Sun & Moon
Sunrise
05:15 AM
Sunset
08:25 PM
Moonrise
05:09 PM
Moonset
01:53 AM
Moon Phase
Waxing Gibbous
Moon Illumination
87%
Patchy rain nearby
Friday, June 26, 2026
High
22°C
Low
16°C
Rain Chance
25%
Hourly Forecast
18°C
18°C
18°C
17°C
17°C
17°C
17°C
18°C
19°C
19°C
20°C
21°C
21°C
21°C
21°C
21°C
21°C
21°C
20°C
19°C
19°C
18°C
18°C
18°C
Day Statistics
Maximum Wind
12 km/h
Humidity
86%
Precipitation
0 mm
UV Index
4
Visibility
10 km
Rain Chance
25%
Snow Chance
0%
Sun & Moon
Sunrise
05:16 AM
Sunset
08:25 PM
Moonrise
06:15 PM
Moonset
02:26 AM
Moon Phase
Waxing Gibbous
Moon Illumination
93%
Solar Radiation Data
Shortwave Radiation
153.34
Diffuse Radiation
95.96
DNI
1100
GTI
432.61
Weather Alerts
Special Weather Statement issued June 20 at 2:51AM EDT by NWS Upton NY
The combination of northwest winds gusting to 25 to 30 mph, relative humidity as low as 35 percent, and a lack of significant rainfall recently will lead to an elevated fire spread potential today. This forecast considers meteorological, fuel, and land conditions and has been developed in coordination with state fire and land management officials.
Small Craft Advisory issued June 20 at 2:19AM EDT until June 20 at 6:00PM EDT by NWS Upton NY
* WHAT...West winds 10 to 20 kt with gusts up to 25 kt and seas 2 to 4 feet on Long Island Sound. * WHERE...Long Island Sound, New York Harbor, Peconic and Gardiners Bays, and South Shore Bays from Jones Inlet through Shinnecock Bay. * WHEN...Until 6 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft.
Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
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