Weather Forecast for Mystic
Connecticut, United States of America
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Current Weather - Mystic: 19°C
Current Weather - Mystic: 19°C
Connecticut, United States of America
Fog
Feels like 19°C
Wind
12 km/h WSW
Humidity
97%
Pressure
1008 mb
UV Index
1
Visibility
0 km
Patchy rain nearby
Thursday, June 11, 2026
High
35°C
Low
18°C
Rain Chance
64%
Hourly Forecast
33°C
34°C
33°C
30°C
28°C
26°C
24°C
23°C
22°C
22°C
Day Statistics
Maximum Wind
23 km/h
Humidity
83%
Precipitation
2 mm
UV Index
9
Visibility
8 km
Rain Chance
64%
Snow Chance
0%
Sun & Moon
Sunrise
05:14 AM
Sunset
08:21 PM
Moonrise
02:09 AM
Moonset
04:27 PM
Moon Phase
Waning Crescent
Moon Illumination
8%
Air Quality
PM2.5
15.6
μg/m³
PM10
17.1
μg/m³
NO₂
9.3
μg/m³
O₃
106.8
μg/m³
SO₂
0.8
μg/m³
CO
155.5
μg/m³
Patchy rain nearby
Friday, June 12, 2026
High
27°C
Low
19°C
Rain Chance
45%
Hourly Forecast
21°C
21°C
20°C
20°C
20°C
20°C
20°C
22°C
23°C
24°C
25°C
26°C
26°C
26°C
25°C
25°C
25°C
24°C
23°C
23°C
22°C
21°C
20°C
19°C
Day Statistics
Maximum Wind
16 km/h
Humidity
84%
Precipitation
1 mm
UV Index
9
Visibility
9 km
Rain Chance
45%
Snow Chance
0%
Sun & Moon
Sunrise
05:14 AM
Sunset
08:21 PM
Moonrise
02:37 AM
Moonset
05:42 PM
Moon Phase
New Moon
Moon Illumination
3%
Air Quality
PM2.5
13.1
μg/m³
PM10
14
μg/m³
NO₂
8.9
μg/m³
O₃
119.5
μg/m³
SO₂
0.7
μg/m³
CO
160.2
μg/m³
Patchy rain nearby
Saturday, June 13, 2026
High
27°C
Low
18°C
Rain Chance
57%
Hourly Forecast
19°C
19°C
19°C
19°C
18°C
18°C
18°C
19°C
20°C
22°C
23°C
25°C
26°C
26°C
27°C
27°C
27°C
26°C
25°C
23°C
22°C
21°C
20°C
19°C
Day Statistics
Maximum Wind
16 km/h
Humidity
69%
Precipitation
1 mm
UV Index
9
Visibility
9 km
Rain Chance
57%
Snow Chance
0%
Sun & Moon
Sunrise
05:13 AM
Sunset
08:21 PM
Moonrise
03:12 AM
Moonset
06:59 PM
Moon Phase
New Moon
Moon Illumination
1%
Air Quality
PM2.5
4.8
μg/m³
PM10
5.2
μg/m³
NO₂
5.5
μg/m³
O₃
91.5
μg/m³
SO₂
0.4
μg/m³
CO
130.8
μg/m³
Patchy rain nearby
Sunday, June 14, 2026
High
25°C
Low
16°C
Rain Chance
36%
Hourly Forecast
18°C
18°C
17°C
17°C
17°C
17°C
17°C
19°C
20°C
22°C
23°C
23°C
24°C
24°C
24°C
24°C
24°C
23°C
22°C
21°C
20°C
20°C
19°C
20°C
Day Statistics
Maximum Wind
27 km/h
Humidity
69%
Precipitation
1 mm
UV Index
9
Visibility
10 km
Rain Chance
36%
Snow Chance
0%
Sun & Moon
Sunrise
05:13 AM
Sunset
08:22 PM
Moonrise
03:57 AM
Moonset
08:13 PM
Moon Phase
New Moon
Moon Illumination
0%
Air Quality
PM2.5
9.5
μg/m³
PM10
12.4
μg/m³
NO₂
5.3
μg/m³
O₃
92
μg/m³
SO₂
0.5
μg/m³
CO
136.1
μg/m³
Sunny
Monday, June 15, 2026
High
23°C
Low
16°C
Rain Chance
17%
Hourly Forecast
20°C
19°C
19°C
18°C
18°C
17°C
17°C
18°C
19°C
20°C
21°C
22°C
23°C
23°C
23°C
23°C
23°C
23°C
21°C
20°C
19°C
18°C
18°C
18°C
Day Statistics
Maximum Wind
23 km/h
Humidity
69%
Precipitation
0 mm
UV Index
1
Visibility
10 km
Rain Chance
17%
Snow Chance
0%
Sun & Moon
Sunrise
05:13 AM
Sunset
08:22 PM
Moonrise
04:55 AM
Moonset
09:19 PM
Moon Phase
New Moon
Moon Illumination
2%
Air Quality
PM2.5
8.7
μg/m³
PM10
12.2
μg/m³
NO₂
2.1
μg/m³
O₃
97.2
μg/m³
SO₂
0.4
μg/m³
CO
175.6
μg/m³
Patchy rain nearby
Tuesday, June 16, 2026
High
20°C
Low
17°C
Rain Chance
68%
Hourly Forecast
18°C
18°C
18°C
18°C
18°C
18°C
18°C
17°C
17°C
17°C
17°C
17°C
18°C
18°C
19°C
19°C
19°C
20°C
20°C
20°C
20°C
19°C
18°C
18°C
Day Statistics
Maximum Wind
15 km/h
Humidity
89%
Precipitation
1 mm
UV Index
4
Visibility
8 km
Rain Chance
68%
Snow Chance
0%
Sun & Moon
Sunrise
05:13 AM
Sunset
08:23 PM
Moonrise
06:07 AM
Moonset
10:12 PM
Moon Phase
Waxing Crescent
Moon Illumination
6%
Patchy rain nearby
Wednesday, June 17, 2026
High
23°C
Low
15°C
Rain Chance
38%
Hourly Forecast
17°C
17°C
16°C
16°C
16°C
16°C
16°C
17°C
18°C
19°C
20°C
21°C
22°C
22°C
22°C
22°C
22°C
21°C
20°C
19°C
19°C
18°C
18°C
17°C
Day Statistics
Maximum Wind
19 km/h
Humidity
81%
Precipitation
0 mm
UV Index
4
Visibility
7 km
Rain Chance
38%
Snow Chance
0%
Sun & Moon
Sunrise
05:14 AM
Sunset
08:23 PM
Moonrise
07:26 AM
Moonset
10:54 PM
Moon Phase
Waxing Crescent
Moon Illumination
11%
Solar Radiation Data
Shortwave Radiation
30.83
Diffuse Radiation
17.37
DNI
14.4
GTI
23.22
Weather Alerts
Air Quality Alert issued June 10 at 4:07PM EDT by NWS Upton NY
The Connecticut Department of Energy and Environmental Protection has issued an Air Quality Action Day for the following counties: Southern Fairfield, Southern New Haven, Southern Middlesex, and southern New London. from 11 AM to 11 PM EDT Thursday. An Air Quality Action Day means that Ground Level Ozone within the region may approach or exceed unhealthy standards. For additional information, please visit the Connecticut Department of Energy and Environmental Protection Web site at http://www.ct.gov/deep/aqi
Heat Advisory issued June 11 at 2:49AM EDT until June 12 at 8:00PM EDT by NWS Upton NY
* WHAT...Heat index values up to 99 expected. * WHERE...Northern New London County. * WHEN...From noon today to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
A Heat Advisory is issued when the combination of heat and humidity is expected to make it feel like it is 95 to 99 degrees for two or more consecutive days, or 100 to 104 degrees for any length of time. Seniors and those with chronic health problems or mental health conditions are at an increased risk. Homes without air conditioning can be much hotter than outdoor temperatures. Use air conditioning to stay cool at home or go to a place that has air conditioning. If you don't have home air conditioning, continue to seek out cool spaces each day as long as it remains hot, and for a few days after if your home is still hot. Check on vulnerable friends, family members and neighbors. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! In cases of heat stroke call 9 1 1.
Air Quality Alert issued June 10 at 3:23PM EDT by NWS Boston/Norton MA
The Rhode Island Department of Environmental Management has issued an Air Quality Alert Day for Ground Level Ozone, from 11 AM to 11 PM EDT Thursday. An Air Quality Alert day means that Ground Level Ozone concentrations within the region may approach or exceed unhealthy standards. For additional information, please visit the Rhode Island Department of Environmental Management website at: https://dem.ri.gov/
Heat Advisory issued June 11 at 7:54AM EDT until June 12 at 8:00PM EDT by NWS Boston/Norton MA
* WHAT...Heat index values up to 98 expected. * WHERE...Portions of central, eastern, northeastern, and southeastern Massachusetts and northern Rhode Island. * WHEN...From noon today to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
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