Weather for East Haddam, Connecticut
Current Weather
Five Day Weather Forecast
Thu
H: 98°F
L: 66°F
Fri
H: 87°F
L: 68°F
Sat
H: 86°F
L: 62°F
Sun
H: 84°F
L: 59°F
Mon
H: 79°F
L: 58°F
Air Quality
Nitrogen Dioxide: 9.6 μg/m3
Sulphur Dioxide: 1.2 μg/m3
Ozone: 54 μg/m3
Astronomical
Sun Transit: 12:49 AM
Sunset: 8:23 PM
Daylight: 15 hrs 8 mins
Moon Transit: 9:17 AM
Moonset: 4:36 PM
Moon Phase: Waning Crescent
Moon Illumination: 6.5%
Best Times for Fishing or Hunting
Major Periods
8:47 AM - 11:17 AM12:00 AM - 12:00 AM
Minor Periods
4:06 PM - 5:36 PM1:43 AM - 3:13 AM
Action Rating: 2 out of 5
Air Quality Alert issued June 10 at 4:07PM EDT by NWS Upton NY
Non-Weather Emergency Message. Not sent to IPAWS.
Effective: Wed June 10, 2026, 4:07 PM
Expires: Thu June 11, 2026, 11:00 PM
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 10 at 2:24PM EDT until June 12 at 8:00PM EDT by NWS Boston/Norton MA
Effective: Wed June 10, 2026, 2:24 PM
Expires: Thu June 11, 2026, 6:00 AM
* WHAT...Heat index values up to 99 expected. * WHERE...Franklin County, Hampshire County, Hampden County, Hartford CT, Tolland CT, and Windham CT. * WHEN...From noon Thursday 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. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Heat Advisory issued June 11 at 2:08AM EDT until June 12 at 8:00PM EDT by NWS Boston/Norton MA
Effective: Thu June 11, 2026, 2:08 AM
Expires: Thu June 11, 2026, 6:00 PM
* WHAT...Heat index values up to 99 expected. * WHERE...Franklin County, Hampshire County, Hampden County, Hartford CT, Tolland CT, and Windham CT. * 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. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Air Quality Alert issued June 10 at 3:23PM EDT by NWS Boston/Norton MA
Non-Weather Emergency Message. Not sent to IPAWS.
Effective: Wed June 10, 2026, 3:23 PM
Expires: Thu June 11, 2026, 11:00 PM
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/
Weather Forecast
Air Quality
Nitrogen Dioxide: 6.2 μg/m3
Sulphur Dioxide: 0.84 μg/m3
Ozone: 79 μg/m3
Astronomical
Sun Transit: 12:49 AM
Sunset: 8:23 PM
Daylight: 15 hrs 8 mins
Moon Transit: 9:17 AM
Moonset: 4:36 PM
Moon Phase: Waning Crescent
Moon Illumination: 6.5%
Best Times for Fishing or Hunting
Major Periods
8:47 AM - 11:17 AM12:00 AM - 12:00 AM
Minor Periods
4:06 PM - 5:36 PM1:43 AM - 3:13 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.08 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 93.25 μg/m3
Astronomical
Sun Transit: 12:49 AM
Sunset: 8:24 PM
Daylight: 15 hrs 9 mins
Moon Transit: 10:12 AM
Moonset: 5:57 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.0%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM9:42 AM - 12:12 AM
Minor Periods
5:27 PM - 6:57 PM2:13 AM - 3:43 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.09 μg/m3
Sulphur Dioxide: 0.46 μg/m3
Ozone: 81.58 μg/m3
Astronomical
Sun Transit: 12:49 AM
Sunset: 8:24 PM
Daylight: 15 hrs 9 mins
Moon Transit: 11:13 AM
Moonset: 7:17 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.1%
Best Times for Fishing or Hunting
Major Periods
12:40 AM - 3:10 AM10:43 AM - 1:13 PM
Minor Periods
6:47 PM - 8:17 PM2:51 AM - 4:21 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.24 μg/m3
Sulphur Dioxide: 0.52 μg/m3
Ozone: 93.21 μg/m3
Astronomical
Sun Transit: 12:49 AM
Sunset: 8:25 PM
Daylight: 15 hrs 10 mins
Moon Transit: 12:20 AM
Moonset: 8:33 PM
Moon Phase: New
Moon Illumination: 0.7%
Best Times for Fishing or Hunting
Major Periods
1:44 AM - 4:14 AM11:50 AM - 2:20 PM
Minor Periods
8:03 PM - 9:33 PM3:42 AM - 5:12 AM
Action Rating: 5 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.52 μg/m3
Sulphur Dioxide: 0.56 μg/m3
Ozone: 86.89 μg/m3
Astronomical
Sun Transit: 12:49 AM
Sunset: 8:25 PM
Daylight: 15 hrs 10 mins
Moon Transit: 1:28 PM
Moonset: 9:37 PM
Moon Phase: New
Moon Illumination: 3.8%
Best Times for Fishing or Hunting
Major Periods
2:52 AM - 5:22 AM12:58 AM - 3:28 PM
Minor Periods
9:07 PM - 10:37 PM4:45 AM - 6:15 AM
Action Rating: 4 out of 5