Long Island Sound near New London Harbor (IN MLLW)
4.2 mi- Level
- 1.0 ft
Forecast peak 4.3 ft Tue 10 AM
Reading from Sat 3 PM · NWS gauge page
Appearance
Observed 3:50 PM EDT at KGON
Sunny and 59°15°, jacket by 7 PM.
Today: low 32°0° (likely 31°−1° to 33°1°), high 62°17° (likely 60°16° to 63°17°).
Now 59°15°
Sunny
No precipitation expected in the next 2 hours.
From forecast models
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 4p | Mostly sunny | 61°16° (likely 59°15° to 61°16°) | 61°16° | 0% | 2 mph3 km/h from W, gusts 8 mph13 km/h | 39% | 18% | 1 |
| Sat 5p | Sunny | 60°16° (likely 56°13° to 60°16°) | 60°16° | 0% | 2 mph3 km/h from W, gusts 7 mph12 km/h | 44% | 4% | 0 |
| Sat 6p | Clear | 56°13° (likely 51°11° to 56°13°) | 56°13° | 0% | 1 mph2 km/h from W, gusts 6 mph10 km/h | 49% | 1% | 0 |
| Sat 7p | Clear | 50°10° (likely 48°9° to 50°10°) | 50°10° | 0% | 1 mph2 km/h from W, gusts 6 mph9 km/h | 56% | 1% | 0 |
| Sat 8p | Clear | 45°7° (likely 45°7° to 48°9°) | 45°7° | 0% | 0 mph0 km/h, gusts 6 mph10 km/h | 65% | 0% | 0 |
| Sat 9p | Clear | 42°6° (likely 42°6° to 47°8°) | 42°6° | 0% | 0 mph0 km/h, gusts 6 mph10 km/h | 70% | 0% | 0 |
| Sat 10p | Clear | 40°4° (likely 40°4° to 46°8°) | 40°4° | 0% | 0 mph0 km/h, gusts 5 mph9 km/h | 76% | 0% | 0 |
| Sat 11p | Clear | 39°4° (likely 39°4° to 46°8°) | 39°4° | 0% | 0 mph0 km/h, gusts 5 mph8 km/h | 79% | 0% | 0 |
| Sun 12a | Clear | 38°3° (likely 38°3° to 45°7°) | 38°3° | 0% | 0 mph0 km/h, gusts 6 mph10 km/h | 82% | 0% | 0 |
| Sun 1a | Clear | 37°3° (likely 37°3° to 43°6°) | 37°3° | 0% | 0 mph0 km/h, gusts 7 mph11 km/h | 82% | 0% | 0 |
| Sun 2a | Clear | 36°2° (likely 36°2° to 42°6°) | 36°2° | 0% | 0 mph0 km/h, gusts 7 mph11 km/h | 85% | 0% | 0 |
| Sun 3a | Clear | 35°2° (likely 35°2° to 42°6°) | 35°2° | 0% | 0 mph0 km/h, gusts 7 mph12 km/h | 89% | 0% | 0 |
| Sun 4a | Clear | 35°2° (likely 35°2° to 42°6°) | 35°2° | 0% | 1 mph2 km/h from N, gusts 8 mph12 km/h | 85% | 0% | 0 |
| Sun 5a | Clear | 34°1° (likely 34°1° to 41°5°) | 34°1° | 0% | 1 mph2 km/h from N, gusts 8 mph13 km/h | 89% | 0% | 0 |
| Sun 6a | Clear | 34°1° (likely 34°1° to 40°4°) | 34°1° | 0% | 1 mph2 km/h from N, gusts 8 mph13 km/h | 89% | 0% | 0 |
| Sun 7a | Sunny | 34°1° (likely 34°1° to 39°4°) | 34°1° | 0% | 2 mph3 km/h from N, gusts 7 mph12 km/h | 89% | 0% | 0 |
| Sun 8a | Sunny | 36°2° (likely 36°2° to 40°4°) | 36°2° | 0% | 2 mph3 km/h from N, gusts 7 mph12 km/h | 85% | 0% | 0 |
| Sun 9a | Sunny | 43°6° (likely 42°6° to 46°8°) | 43°6° | 0% | 2 mph3 km/h from N, gusts 7 mph11 km/h | 67% | 0% | 1 |
| Sun 10a | Sunny | 51°11° (likely 50°10° to 53°12°) | 51°11° | 0% | 1 mph2 km/h from N, gusts 7 mph11 km/h | 54% | 0% | 2 |
| Sun 11a | Sunny | 59°15° (likely 55°13° to 59°15°) | 59°15° | 0% | 1 mph2 km/h from N, gusts 6 mph9 km/h | 42% | 0% | 3 |
| Sun 12p | Sunny | 62°17° (likely 60°16° to 62°17°) | 62°17° | 0% | 2 mph3 km/h from NW, gusts 5 mph9 km/h | 39% | 0% | 4 |
| Sun 1p | Sunny | 64°18° (likely 63°17° to 64°18°) | 64°18° | 0% | 2 mph3 km/h from W, gusts 7 mph11 km/h | 37% | 0% | 4 |
| Sun 2p | Sunny | 65°18° (likely 64°18° to 65°18°) | 65°18° | 0% | 3 mph5 km/h from SW, gusts 7 mph11 km/h | 35% | 0% | 4 |
| Sun 3p | Sunny | 64°18° (likely 63°17° to 65°18°) | 64°18° | 0% | 3 mph5 km/h from SW, gusts 8 mph13 km/h | 38% | 0% | 3 |
| Sun 4p | Sunny | 63°17° (likely 61°16° to 64°18°) | 63°17° | 0% | 3 mph5 km/h from SW, gusts 9 mph14 km/h | 41% | 0% | 2 |
| Sun 5p | Sunny | 61°16° (likely 58°14° to 61°16°) | 61°16° | 0% | 3 mph5 km/h from S, gusts 9 mph14 km/h | 48% | 0% | 1 |
| Sun 6p | Clear | 55°13° (likely 53°12° to 55°13°) | 55°13° | 0% | 2 mph3 km/h from SW, gusts 9 mph14 km/h | 59% | 0% | 0 |
| Sun 7p | Clear | 51°11° (likely 50°10° to 52°11°) | 51°11° | 0% | 2 mph3 km/h from SW, gusts 9 mph14 km/h | 71% | 1% | 0 |
| Sun 8p | Clear | 46°8° (likely 46°8° to 51°11°) | 46°8° | 0% | 1 mph2 km/h from SW, gusts 7 mph12 km/h | 89% | 1% | 0 |
| Sun 9p | Clear | 44°7° (likely 44°7° to 49°9°) | 44°7° | 0% | 1 mph2 km/h from SW, gusts 8 mph13 km/h | 93% | 1% | 0 |
| Sun 10p | Clear | 42°6° (likely 42°6° to 48°9°) | 42°6° | 0% | 1 mph2 km/h from SW, gusts 8 mph12 km/h | 100% | 1% | 0 |
| Sun 11p | Clear | 42°6° (likely 42°6° to 47°8°) | 42°6° | 0% | 1 mph2 km/h from SW, gusts 7 mph12 km/h | 96% | 0% | 0 |
| Mon 12a | Clear | 40°4° (likely 40°4° to 47°8°) | 40°4° | 0% | 1 mph2 km/h from W, gusts 8 mph13 km/h | 100% | 0% | 0 |
| Mon 1a | Clear | 40°4° (likely 40°4° to 47°8°) | 40°4° | 0% | 1 mph2 km/h from W, gusts 9 mph15 km/h | 96% | 0% | 0 |
| Mon 2a | Clear | 39°4° (likely 39°4° to 46°8°) | 39°4° | 0% | 1 mph2 km/h from W, gusts 9 mph14 km/h | 100% | 0% | 0 |
| Mon 3a | Clear | 37°3° (likely 37°3° to 46°8°) | 37°3° | 0% | 1 mph2 km/h from W, gusts 8 mph12 km/h | 100% | 0% | 0 |
| Mon 4a | Clear | 37°3° (likely 37°3° to 46°8°) | 37°3° | 0% | 1 mph2 km/h from W, gusts 8 mph13 km/h | 100% | 0% | 0 |
| Mon 5a | Clear | 36°2° (likely 36°2° to 45°7°) | 36°2° | 0% | 1 mph2 km/h from W, gusts 8 mph13 km/h | 100% | 1% | 0 |
| Mon 6a | Clear | 34°1° (likely 34°1° to 45°7°) | 34°1° | 0% | 1 mph2 km/h from W, gusts 8 mph13 km/h | 100% | 2% | 0 |
| Mon 7a | Sunny | 35°2° (likely 35°2° to 45°7°) | 35°2° | 0% | 2 mph3 km/h from W, gusts 7 mph12 km/h | 96% | 1% | 0 |
| Mon 8a | Sunny | 37°3° (likely 37°3° to 47°8°) | 37°3° | 0% | 2 mph3 km/h from W, gusts 6 mph10 km/h | 92% | 15% | 0 |
| Mon 9a | Mostly sunny | 43°6° (likely 43°6° to 52°11°) | 41°5° | 0% | 3 mph5 km/h from W, gusts 8 mph13 km/h | 82% | 11% | 1 |
| Mon 10a | Mostly sunny | 50°10° (likely 50°10° to 57°14°) | 49°9° | 0% | 3 mph5 km/h from W, gusts 11 mph18 km/h | 71% | 9% | 2 |
| Mon 11a | Sunny | 57°14° (likely 56°13° to 62°17°) | 57°14° | 0% | 5 mph8 km/h from W, gusts 11 mph18 km/h | 64% | 11% | 3 |
| Mon 12p | Sunny | 62°17° (likely 60°16° to 65°18°) | 62°17° | 0% | 6 mph10 km/h from W, gusts 13 mph21 km/h | 56% | 3% | 4 |
| Mon 1p | Sunny | 64°18° (likely 63°17° to 67°19°) | 64°18° | 0% | 7 mph11 km/h from W, gusts 12 mph20 km/h | 54% | 5% | 4 |
| Mon 2p | Mostly sunny | 66°19° (likely 65°18° to 68°20°) | 66°19° | 0% | 7 mph11 km/h from W, gusts 13 mph22 km/h | 52% | 5% | 4 |
| Mon 3p | Sunny | 67°19° (likely 65°18° to 68°20°) | 67°19° | 0% | 7 mph11 km/h from W, gusts 13 mph21 km/h | 52% | 2% | 3 |
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Official NWS forecast
Today: Sunny. High near 62, with temperatures falling to around 60 in the afternoon. West wind around 2 mph.
Tonight: Areas of frost after midnight. Mostly clear. Low around 32, with temperatures rising to around 34 overnight. Northwest wind around 1 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 65, with temperatures falling to around 61 in the afternoon. West wind around 3 mph.
Night: Areas of frost after 3am. Mostly clear. Low around 33, with temperatures rising to around 36 overnight. Southwest wind around 2 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
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 68, with temperatures falling to around 66 in the afternoon. West wind 1 to 7 mph.
Night: Clear. Low around 44, with temperatures rising to around 46 overnight.
Forecasts agreeIndependent forecasts are close; the range is narrow.
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 61.
Night: Clear, with a low around 32.
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 58.
Night: Partly cloudy, with a low around 39.
Forecasts agreeIndependent forecasts are close; the range is narrow.
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 65.
Night: Mostly clear, with a low around 48.
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 71.
Night: Mostly clear, with a low around 46.
Forecasts agreeIndependent forecasts are close; the range is narrow.
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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
30% chance
Overnight
midnight–6 AM
40% chance · 0.02 in0.5 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.
Morning
6 AM–noon
40% chance · 0.07 in1.8 mm
Afternoon
noon–6 PM
30% chance · 0.13 in3.2 mm
Evening
6 PM–midnight
20% chance · 0.11 in2.8 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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Dry, high 62°, low 32°.
Dry, high 65°, low 33°, warming up.
Dry, high 68°, low 44°, warming up.
Mostly dry, highs 58–71°.
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 3 PM · NWS gauge page
Forecast peak 2.0 ft Sat 8 PM
Reading from Sat 2:45 PM · NWS gauge page
Forecast peak 5.8 ft Sat 8 PM
Reading from Sat 2:30 PM · NWS gauge page
Forecast peak 4.3 ft Sat 8 PM
Reading from Sat 2 PM · NWS gauge page
What this week’s weather means for heating, cooling, pipes and fresh air.
About 67% 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 20 hours are near freezing and damp, when outdoor units defrost more often.
Dry air outside (dew point 39°F).
Sun, 12:00 PM–5:00 PM
Good stretch to open the windows.
Today’s expected high is about typical for the date.
On average 4°2° colder than normal (daily mean temperature).
Gales Ferry weather by month: normals, records, snow and freeze dates
Sunrise 7:10 AM, sunset 5:53 PM.
Clear 6:22 PM–6:43 AM, but the moon is 99% lit and up.
Waxing gibbous
98% lit · growing