Long Island Sound near New London Harbor (IN MLLW)
2.0 mi- Level
- 4.3 ft
Forecast peak 4.3 ft Tue 10 AM
Reading from Sat 8:54 AM · NWS gauge page
Appearance
Observed 8:56 AM EDT at KGON
Sunny and 42°6°.
Today: low 35°2° (likely 31°−1° to 39°4°), high 61°16° (likely 59°15° to 61°16°).
Now 42°6°
Sunny · Feels like 38°3°
No precipitation expected in the next 2 hours.
From forecast models
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 9a | Partly sunny | 43°6° (likely 40°4° to 43°6°) | 43°6° | 0% | 2 mph3 km/h from N, gusts 7 mph12 km/h | 79% | 81% | 0 |
| Sat 10a | Cloudy | 50°10° (likely 46°8° to 50°10°) | 50°10° | 0% | 2 mph3 km/h from N, gusts 7 mph12 km/h | 63% | 62% | 1 |
| Sat 11a | Cloudy | 55°13° (likely 51°11° to 55°13°) | 55°13° | 0% | 2 mph3 km/h from N, gusts 8 mph12 km/h | 53% | 60% | 2 |
| Sat 12p | Partly sunny | 59°15° (likely 54°12° to 59°15°) | 59°15° | 0% | 3 mph5 km/h from NW, gusts 7 mph11 km/h | 44% | 56% | 3 |
| Sat 1p | Partly sunny | 59°15° (likely 57°14° to 60°16°) | 59°15° | 0% | 3 mph5 km/h from W, gusts 7 mph12 km/h | 44% | 53% | 3 |
| Sat 2p | Partly sunny | 60°16° (likely 58°14° to 61°16°) | 60°16° | 0% | 5 mph8 km/h from W, gusts 7 mph12 km/h | 42% | 50% | 3 |
| Sat 3p | Partly sunny | 60°16° (likely 59°15° to 61°16°) | 60°16° | 0% | 5 mph8 km/h from W, gusts 9 mph14 km/h | 44% | 40% | 2 |
| Sat 4p | Sunny | 60°16° (likely 59°15° to 60°16°) | 60°16° | 0% | 5 mph8 km/h from W, gusts 9 mph14 km/h | 46% | 42% | 1 |
| Sat 5p | Sunny | 59°15° (likely 57°14° to 59°15°) | 59°15° | 0% | 3 mph5 km/h from W, gusts 9 mph14 km/h | 51% | 23% | 0 |
| Sat 6p | Clear | 55°13° (likely 52°11° to 55°13°) | 55°13° | 0% | 2 mph3 km/h from W, gusts 8 mph13 km/h | 57% | 30% | 0 |
| Sat 7p | Clear | 51°11° (likely 48°9° to 52°11°) | 51°11° | 0% | 1 mph2 km/h from W, gusts 8 mph13 km/h | 63% | 10% | 0 |
| Sat 8p | Clear | 48°9° (likely 45°7° to 51°11°) | 48°9° | 0% | 0 mph0 km/h, gusts 6 mph10 km/h | 74% | 0% | 0 |
| Sat 9p | Clear | 45°7° (likely 43°6° to 50°10°) | 45°7° | 0% | 0 mph0 km/h, gusts 6 mph9 km/h | 82% | 0% | 0 |
| Sat 10p | Clear | 43°6° (likely 42°6° to 48°9°) | 43°6° | 0% | 0 mph0 km/h, gusts 7 mph11 km/h | 86% | 0% | 0 |
| Sat 11p | Clear | 42°6° (likely 40°4° to 47°8°) | 42°6° | 0% | 0 mph0 km/h, gusts 7 mph11 km/h | 86% | 0% | 0 |
| Sun 12a | Clear | 41°5° (likely 40°4° to 45°7°) | 41°5° | 0% | 0 mph0 km/h, gusts 5 mph8 km/h | 89% | 0% | 0 |
| Sun 1a | Clear | 40°4° (likely 39°4° to 45°7°) | 40°4° | 0% | 0 mph0 km/h, gusts 5 mph7 km/h | 89% | 0% | 0 |
| Sun 2a | Clear | 38°3° (likely 38°3° to 44°7°) | 38°3° | 0% | 1 mph2 km/h from N, gusts 6 mph9 km/h | 96% | 0% | 0 |
| Sun 3a | Clear | 37°3° (likely 37°3° to 43°6°) | 37°3° | 0% | 1 mph2 km/h from N, gusts 6 mph10 km/h | 100% | 0% | 0 |
| Sun 4a | Clear | 37°3° (likely 37°3° to 42°6°) | 37°3° | 0% | 1 mph2 km/h from N, gusts 6 mph10 km/h | 96% | 0% | 0 |
| Sun 5a | Clear | 36°2° (likely 36°2° to 41°5°) | 36°2° | 0% | 2 mph3 km/h from N, gusts 6 mph10 km/h | 100% | 0% | 0 |
| Sun 6a | Clear | 36°2° (likely 34°1° to 40°4°) | 36°2° | 0% | 2 mph3 km/h from N, gusts 6 mph10 km/h | 89% | 3% | 0 |
| Sun 7a | Sunny | 36°2° (likely 34°1° to 40°4°) | 36°2° | 0% | 2 mph3 km/h from N, gusts 7 mph11 km/h | 89% | 2% | 0 |
| Sun 8a | Sunny | 37°3° (likely 35°2° to 41°5°) | 37°3° | 0% | 2 mph3 km/h from N, gusts 7 mph12 km/h | 89% | 0% | 0 |
| Sun 9a | Sunny | 42°6° (likely 42°6° to 46°8°) | 42°6° | 0% | 2 mph3 km/h from N, gusts 7 mph11 km/h | 82% | 0% | 1 |
| Sun 10a | Sunny | 51°11° (likely 51°11° to 52°11°) | 51°11° | 0% | 1 mph2 km/h from N, gusts 5 mph9 km/h | 61% | 0% | 2 |
| Sun 11a | Sunny | 56°13° (likely 56°13° to 58°14°) | 56°13° | 0% | 1 mph2 km/h from NW, gusts 5 mph8 km/h | 53% | 0% | 3 |
| Sun 12p | Sunny | 60°16° (likely 59°15° to 62°17°) | 60°16° | 0% | 2 mph3 km/h from W, gusts 6 mph10 km/h | 46% | 0% | 4 |
| Sun 1p | Sunny | 62°17° (likely 60°16° to 64°18°) | 62°17° | 0% | 3 mph5 km/h from SW, gusts 6 mph10 km/h | 44% | 0% | 4 |
| Sun 2p | Sunny | 62°17° (likely 60°16° to 65°18°) | 62°17° | 0% | 5 mph8 km/h from SW, gusts 8 mph14 km/h | 44% | 0% | 4 |
| Sun 3p | Sunny | 63°17° (likely 60°16° to 64°18°) | 63°17° | 0% | 5 mph8 km/h from SW, gusts 9 mph14 km/h | 44% | 0% | 3 |
| Sun 4p | Sunny | 61°16° (likely 59°15° to 62°17°) | 61°16° | 0% | 5 mph8 km/h from SW, gusts 9 mph14 km/h | 48% | 0% | 2 |
| Sun 5p | Sunny | 60°16° (likely 58°14° to 60°16°) | 60°16° | 0% | 3 mph5 km/h from SW, gusts 9 mph15 km/h | 51% | 0% | 1 |
| Sun 6p | Clear | 57°14° (likely 53°12° to 57°14°) | 57°14° | 0% | 2 mph3 km/h from SW, gusts 9 mph15 km/h | 57% | 0% | 0 |
| Sun 7p | Clear | 51°11° (likely 50°10° to 53°12°) | 51°11° | 0% | 1 mph2 km/h from SW, gusts 9 mph15 km/h | 74% | 0% | 0 |
| Sun 8p | Clear | 48°9° (likely 48°9° to 53°12°) | 48°9° | 0% | 1 mph2 km/h from SW, gusts 9 mph15 km/h | 83% | 0% | 0 |
| Sun 9p | Clear | 47°8° (likely 46°8° to 51°11°) | 47°8° | 0% | 1 mph2 km/h from SW, gusts 10 mph16 km/h | 86% | 0% | 0 |
| Sun 10p | Clear | 46°8° (likely 45°7° to 50°10°) | 46°8° | 0% | 1 mph2 km/h from SW, gusts 10 mph16 km/h | 86% | 0% | 0 |
| Sun 11p | Clear | 45°7° (likely 44°7° to 49°9°) | 45°7° | 0% | 1 mph2 km/h from SW, gusts 10 mph16 km/h | 89% | 0% | 0 |
| Mon 12a | Clear | 44°7° (likely 43°6° to 48°9°) | 44°7° | 0% | 1 mph2 km/h from W, gusts 9 mph15 km/h | 89% | 0% | 0 |
| Mon 1a | Clear | 44°7° (likely 43°6° to 47°8°) | 44°7° | 0% | 2 mph3 km/h from W, gusts 9 mph14 km/h | 86% | 0% | 0 |
| Mon 2a | Clear | 43°6° (likely 42°6° to 47°8°) | 43°6° | 0% | 2 mph3 km/h from W, gusts 9 mph14 km/h | 89% | 0% | 0 |
| Mon 3a | Clear | 42°6° (likely 42°6° to 49°9°) | 42°6° | 0% | 2 mph3 km/h from W, gusts 4 mph7 km/h | 89% | 0% | 0 |
| Mon 4a | Clear | 42°6° (likely 41°5° to 48°9°) | 42°6° | 0% | 2 mph3 km/h from W, gusts 4 mph7 km/h | 89% | 0% | 0 |
| Mon 5a | Clear | 41°5° (likely 40°4° to 49°9°) | 41°5° | 0% | 2 mph3 km/h from W, gusts 4 mph6 km/h | 92% | 0% | 0 |
| Mon 6a | Clear | 40°4° (likely 40°4° to 49°9°) | 40°4° | 0% | 2 mph3 km/h from W, gusts 4 mph6 km/h | 92% | 2% | 0 |
| Mon 7a | Sunny | 39°4° (likely 39°4° to 47°8°) | 39°4° | 0% | 3 mph5 km/h from W, gusts 4 mph7 km/h | 92% | 5% | 0 |
| Mon 8a | Sunny | 41°5° (likely 41°5° to 48°9°) | 41°5° | 0% | 3 mph5 km/h from W, gusts 5 mph7 km/h | 89% | 9% | 0 |
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Official NWS forecast
Today: Mostly sunny. High near 61, with temperatures falling to around 59 in the afternoon. Northwest wind around 5 mph.
Tonight: Patchy frost after 1am. Clear, with a low around 35. Northwest wind around 2 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Official NWS forecast
Day: Areas of frost before 9am. Sunny. High near 64, with temperatures falling to around 60 in the afternoon. Northwest wind 1 to 5 mph.
Night: Clear. Low around 38, with temperatures rising to around 41 overnight. West wind around 2 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Patchy frost before 8am. Sunny. High near 68, with temperatures falling to around 65 in the afternoon. West wind 2 to 7 mph.
Night: Clear. Low around 43, with temperatures rising to around 45 overnight.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 57.
Night: Mostly clear, with a low around 33.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 57.
Night: Partly cloudy, with a low around 42.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 64.
Night: Partly cloudy, with a low around 49.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 66.
Night: Partly cloudy, with a low around 44.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
30% chance
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Morning
6 AM–noon
30% chance · 0.01 in0.3 mm
Afternoon
noon–6 PM
30% chance · 0.02 in0.5 mm
Evening
6 PM–midnight
30% chance · 0.01 in0.3 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Dry, high 61°, low 35°.
Dry, high 64°, low 38°, warming up.
Dry, high 68°, low 43°, warming up.
Mostly dry, highs 57–66°.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (OKX) (opens in a new tab)
No meaningful changes from yesterday’s forecast.
Forecast peak 4.3 ft Tue 10 AM
Reading from Sat 8:54 AM · NWS gauge page
Forecast peak 3.3 ft Sun 9 AM
Reading from Sat 8 AM · NWS gauge page
Forecast peak 2.0 ft Sat 2 PM
Reading from Sat 8:45 AM · NWS gauge page
Forecast peak 4.3 ft Sat 2 PM
Reading from Sat 8:15 AM · NWS gauge page
What this week’s weather means for heating, cooling, pipes and fresh air.
About 69% less heating than a typical week.
Heating degree days, base 65°F
47, 17 and 5°F are the test points heat pumps are rated at. About 17 hours are near freezing and damp, when outdoor units defrost more often.
Dry air outside (dew point 31°F).
Today, 2:00 PM–4:00 PM
Good stretch to open the windows.
Today’s expected high is about typical for the date.
On average 3°2° colder than normal (daily mean temperature).
Waterford weather by month: normals, records, snow and freeze dates
Sunrise 7:10 AM, sunset 5:54 PM.
Clear 7 PM–6:43 AM, but the moon is 99% lit and up.
Waxing gibbous
97% lit · growing