Long Island Sound near New London Harbor (IN MLLW)
1.9 mi- Level
- 1.3 ft
Forecast peak 4.3 ft Tue 10 AM
Reading from Sat 1:54 PM · NWS gauge page
Observed 2:55 PM EDT at KGON
New London, CT weather
Sunny and 59°15°, jacket by 8 PM.
Today: low 40°4°, high 60°16° (likely 57°14° to 60°16°).
Now 59°15°
Sunny
- Wind
- 10 mph17 km/h
- From the south-southwest. Up to 10 mph17 km/h through 3 AM
- Dew point
- 39°4°
- Comfortable
- Air quality
- 16Good
- Main pollutant: PM2.5 (fine particles)
Next 48 hours
Good hours for
This afternoonNear 59°15°
TonightDown to 40°4° by 5 AM
Tomorrow morningUp to 55°13° by 11 AM
Tomorrow afternoonUp to 62°17° by 3 PM
Tomorrow nightDown to 44°7° by 3 AM
Monday morningUp to 55°13° by 11 AM
Monday afternoonUp to 62°17° by 2 PM
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 3p | Partly sunny | 60°16° (likely 57°14° to 60°16°) | 60°16° | 0% | 6 mph10 km/h from W | 42% | — | 2 |
| Sat 4p | Partly sunny | 60°16° (likely 57°14° to 60°16°) | 60°16° | 0% | 6 mph10 km/h from W | 44% | — | 1 |
| Sat 5p | Mostly sunny | 58°14° (likely 57°14° to 58°14°) | 58°14° | 0% | 6 mph10 km/h from W | 49% | — | 0 |
| Sat 6p | Mostly clear | 57°14° (likely 55°13° to 57°14°) | 57°14° | 0% | 5 mph8 km/h from W | 51% | — | 0 |
| Sat 7p | Mostly clear | 56°13° (likely 54°12° to 56°13°) | 56°13° | 0% | 3 mph5 km/h from W | 53% | — | 0 |
| Sat 8p | Mostly clear | 52°11° (likely 52°11° to 53°12°) | 52°11° | 0% | 2 mph3 km/h from W | 61% | — | — |
| Sat 9p | Clear | 49°9° (likely 49°9° to 52°11°) | 49°9° | 0% | 1 mph2 km/h from NW | 68% | — | — |
| Sat 10p | Clear | 48°9° (likely 48°9° to 50°10°) | 48°9° | 0% | 1 mph2 km/h from NW | 68% | — | — |
| Sat 11p | Clear | 47°8° (likely 47°8° to 49°9°) | 47°8° | 0% | 1 mph2 km/h from NW | 71% | — | — |
| Sun 12a | Clear | 45°7° (likely 45°7° to 48°9°) | 45°7° | 0% | 1 mph2 km/h from NW | 76% | — | — |
| Sun 1a | Clear | 44°7° (likely 44°7° to 47°8°) | 44°7° | 0% | 2 mph3 km/h from N | 76% | — | — |
| Sun 2a | Clear | 42°6° (likely 42°6° to 46°8°) | 42°6° | 0% | 2 mph3 km/h from N | 82% | — | — |
| Sun 3a | Clear | 41°5° (likely 41°5° to 45°7°) | 41°5° | 0% | 2 mph3 km/h from N | 82% | — | — |
| Sun 4a | Clear | 41°5° (likely 41°5° to 44°7°) | 39°4° | 0% | 3 mph5 km/h from N | 82% | — | — |
| Sun 5a | Clear | 40°4° (likely 40°4° to 44°7°) | 38°3° | 0% | 3 mph5 km/h from N | 85% | — | — |
| Sun 6a | Clear | 41°5° (likely 41°5° to 43°6°) | 39°4° | 0% | 3 mph5 km/h from N | 82% | — | — |
| Sun 7a | Sunny | 40°4° (likely 40°4° to 43°6°) | 38°3° | 0% | 3 mph5 km/h from N | 85% | — | — |
| Sun 8a | Sunny | 41°5° (likely 41°5° to 44°7°) | 39°4° | 0% | 3 mph5 km/h from N | 82% | — | — |
| Sun 9a | Sunny | 45°7° (likely 45°7° to 46°8°) | 44°7° | 0% | 3 mph5 km/h from N | 73% | — | — |
| Sun 10a | Sunny | 50°10° (likely 50°10° to 50°10°) | 50°10° | 0% | 2 mph3 km/h from N | 63% | — | — |
| Sun 11a | Sunny | 55°13° (likely 53°12° to 55°13°) | 55°13° | 0% | 2 mph3 km/h from N | 55% | — | — |
| Sun 12p | Sunny | 58°14° (likely 56°13° to 58°14°) | 58°14° | 0% | 3 mph5 km/h from NW | 51% | — | — |
| Sun 1p | Sunny | 59°15° (likely 58°14° to 59°15°) | 59°15° | 0% | 3 mph5 km/h from SW | 49% | — | — |
| Sun 2p | Sunny | 61°16° (likely 58°14° to 61°16°) | 61°16° | 0% | 5 mph8 km/h from SW | 48% | — | — |
| Sun 3p | Sunny | 62°17° (likely 58°14° to 62°17°) | 62°17° | 0% | 5 mph8 km/h from SW | 48% | — | — |
| Sun 4p | Sunny | 60°16° (likely 58°14° to 60°16°) | 60°16° | 0% | 5 mph8 km/h from SW | 51% | — | — |
| Sun 5p | Sunny | 59°15° (likely 57°14° to 59°15°) | 59°15° | 0% | 5 mph8 km/h from SW | 55% | — | — |
| Sun 6p | Clear | 58°14° (likely 56°13° to 58°14°) | 58°14° | 0% | 5 mph8 km/h from SW | 57% | — | — |
| Sun 7p | Clear | 55°13° (likely 55°13° to 55°13°) | 55°13° | 0% | 3 mph5 km/h from SW | 66% | — | — |
| Sun 8p | Clear | 53°12° (likely 53°12° to 54°12°) | 53°12° | 0% | 3 mph5 km/h from SW | 74% | — | — |
| Sun 9p | Clear | 51°11° (likely 51°11° to 54°12°) | 51°11° | 0% | 3 mph5 km/h from SW | 80% | — | — |
| Sun 10p | Clear | 50°10° (likely 50°10° to 54°12°) | 49°9° | 0% | 3 mph5 km/h from SW | 83% | — | — |
| Sun 11p | Clear | 50°10° (likely 50°10° to 53°12°) | 49°9° | 0% | 3 mph5 km/h from SW | 83% | — | — |
| Mon 12a | Clear | 49°9° (likely 49°9° to 53°12°) | 48°9° | 0% | 3 mph5 km/h from W | 86% | — | — |
| Mon 1a | Clear | 47°8° (likely 47°8° to 53°12°) | 45°7° | 0% | 5 mph8 km/h from W | 93% | — | — |
| Mon 2a | Clear | 46°8° (likely 46°8° to 52°11°) | 44°7° | 0% | 5 mph8 km/h from W | 96% | — | — |
| Mon 3a | Clear | 44°7° (likely 44°7° to 44°7°) | 41°5° | 0% | 5 mph8 km/h from W | 100% | — | — |
| Mon 4a | Mostly clear | 44°7° (likely 44°7° to 44°7°) | 41°5° | 0% | 6 mph10 km/h from W | 96% | — | — |
| Mon 5a | Mostly clear | 44°7° (likely 44°7° to 44°7°) | 41°5° | 0% | 6 mph10 km/h from W | 93% | — | — |
| Mon 6a | Mostly clear | 42°6° (likely 42°6° to 42°6°) | 38°3° | 0% | 6 mph10 km/h from W | 96% | — | — |
| Mon 7a | Mostly sunny | 42°6° (likely 42°6° to 42°6°) | 38°3° | 0% | 6 mph10 km/h from W | 93% | — | — |
| Mon 8a | Mostly sunny | 44°7° (likely 44°7° to 44°7°) | 41°5° | 0% | 6 mph10 km/h from W | 86% | — | — |
| Mon 9a | Mostly sunny | 46°8° (likely 46°8° to 46°8°) | 42°6° | 0% | 7 mph11 km/h from W | 83% | — | — |
| Mon 10a | Mostly sunny | 50°10° (likely 50°10° to 50°10°) | 47°8° | 0% | 7 mph11 km/h from W | 77% | — | — |
| Mon 11a | Sunny | 55°13° (likely 55°13° to 55°13°) | 55°13° | 0% | 8 mph13 km/h from W | 69% | — | — |
| Mon 12p | Mostly sunny | 58°14° (likely 58°14° to 58°14°) | 58°14° | 0% | 9 mph14 km/h from W | 64% | — | — |
| Mon 1p | Mostly sunny | 61°16° (likely 61°16° to 61°16°) | 61°16° | 0% | 10 mph16 km/h from W | 60% | — | — |
| Mon 2p | Mostly sunny | 62°17° (likely 62°17° to 62°17°) | 62°17° | 0% | 10 mph16 km/h from W | 60% | — | — |
Days ahead
Shaded: typical range for these dates (1991–2020)
Today, Oct 24. Partly sunny. High 60°16°, low 40°4°. Typical 61°16° / 41°5°. Dry. One forecast only.
Afternoon
noon–6 PM
Partly sunny, 60°16°Dry
Evening
6 PM–midnight
Clear, 52°11°Dry
Overnight
midnight–6 AM
Clear, 40°4°Dry
Official NWS forecast
Today: Mostly sunny. High near 60, with temperatures falling to around 58 in the afternoon. West wind around 6 mph.
Tonight: Mostly clear, with a low around 40. Northwest wind 1 to 5 mph.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 57°14°–60°16°
- Low, likely
- 40°4°
- Typical high / low
- 61°16° / 41°5°
- Wind
- 8 mph12 km/h
Tomorrow, Oct 25. Sunny. High 62°17°, low 42°6°. Typical 61°16° / 40°4°. Dry. One forecast only.
Morning
6 AM–noon
Sunny, 41°5°Dry
Afternoon
noon–6 PM
Sunny, 62°17°Dry
Evening
6 PM–midnight
Clear, 53°12°Dry
Overnight
midnight–6 AM
Clear, 44°7°Dry
Official NWS forecast
Day: Sunny. High near 62, with temperatures falling to around 59 in the afternoon. West wind around 5 mph.
Night: Clear. Low around 42, with temperatures rising to around 44 overnight. West wind around 6 mph.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 58°14°–62°17°
- Low, likely
- 42°6°–43°6°
- Typical high / low
- 61°16° / 40°4°
- Wind
- 8 mph13 km/h
Monday, Oct 26. Mostly sunny. High 64°18°, low 48°9°. Typical 60°16° / 40°4°. Dry. One forecast only.
Morning
6 AM–noon
Mostly sunny, 44°7°Dry
Afternoon
noon–6 PM
Mostly sunny, 62°17°Dry
Official NWS forecast
Day: Sunny, with a high near 64. West wind 6 to 10 mph.
Night: Clear. Low around 48, with temperatures rising to around 50 overnight.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 61°16°–64°18°
- Low, likely
- 48°9°
- Typical high / low
- 60°16° / 40°4°
- Wind
- 11 mph18 km/h
Tuesday, Oct 27. Sunny. High 57°14°, low 36°2°. Typical 60°16° / 40°4°. Dry. One forecast only.
Official NWS forecast
Day: Sunny, with a high near 57.
Night: Mostly clear, with a low around 36.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 56°13°–57°14°
- Low, likely
- 36°2°–47°8°
- Typical high / low
- 60°16° / 40°4°
- Wind
- 11 mph18 km/h
Wednesday, Oct 28. Mostly sunny. High 56°13°, low 44°7°. Typical 60°16° / 39°4°. Dry. One forecast only.
Official NWS forecast
Day: Sunny, with a high near 56.
Night: Partly cloudy, with a low around 44.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 52°11°–56°13°
- Low, likely
- 42°6°–44°7°
- Typical high / low
- 60°16° / 39°4°
- Wind
- 10 mph16 km/h
Thursday, Oct 29. Partly sunny. High 63°17°, low 51°11°. Typical 59°15° / 39°4°. Dry. One forecast only.
Official NWS forecast
Day: Mostly sunny, with a high near 63.
Night: Mostly clear, with a low around 51.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 59°15°–63°17°
- Low, likely
- 51°11°–52°11°
- Typical high / low
- 59°15° / 39°4°
- Wind
- 12 mph19 km/h
Friday, Oct 30. Mostly sunny. High 68°20°, low 49°9°. Typical 59°15° / 39°4°. Dry. One forecast only.
Official NWS forecast
Day: Sunny, with a high near 68.
Night: Mostly clear, with a low around 49.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 64°18°–68°20°
- Low, likely
- 49°9°–54°12°
- Typical high / low
- 59°15° / 39°4°
- Wind
- 10 mph16 km/h
The outlook
Today
Dry, high 60°, low 40°.
Tomorrow
Dry, high 62°, low 42°.
Monday
Dry, high 64°, low 48°.
Rest of week
Mostly dry, highs 56–68°.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (OKX) (opens in a new tab)
What changed since yesterday
No meaningful changes from yesterday’s forecast.
Radar
Radar data: NOAA MRMS, rendered by forecast.blue
Radar loads when scrolled into view
Rivers
NOAA river gauges within 25 mi
Below flood stage
Atlantic Coast at Watch Hill Cove (IN MLLW)
12 mi- Level
- 1.4 ft
Forecast peak 3.3 ft Sun 9 AM
Reading from Sat 1 PM · NWS gauge page
Pawcatuck at Westerly
14 mi- Level
- 4.3 ft
- Flow
- 413 cfs
Forecast peak 4.3 ft Sat 8 PM
Reading from Sat 1 PM · NWS gauge page
Yantic River at Yantic
16 mi- Level
- 2.0 ft
- Flow
- 88 cfs
Forecast peak 2.0 ft Sat 8 PM
Reading from Sat 1:45 PM · NWS gauge page
For your home
What this week’s weather means for heating, cooling, pipes and fresh air.
Heating this week
About 73% less heating than a typical week.
This week 29Typical 106
Heating degree days, base 65°F
Heat-pump hours, next 7 days
- h below 47°F
- 20
- h below 17°F
- 0
- h below 5°F
- 0
47, 17 and 5°F are the test points heat pumps are rated at. About 9 hours are near freezing and damp, when outdoor units defrost more often.
Comfort
Dry air outside (dew point 39°F).
Open the windows?
Sun, 2:00 PM–4:00 PM
Good stretch to open the windows.
Is this typical?
NORWICH PUBLIC UTILITY PLANT · official normals 1991–2020 · records 1956–2026
Oct 24, today vs a typical year
Today’s expected high is about typical for the date.
- Normal high / low
- 61°16° / 41°5°
- Forecast high / low
- 60°16° / 40°4°
- Record high
- 77°25° in 1985
- Record low
- 24°−4° in 1973
Last 7 days vs normal
On average 4°2° colder than normal (daily mean temperature).
- −12°−7°SunOct 18
- −7°−4°MonOct 19
- −2°−1°TueOct 20
- +2°+1°WedOct 21
- —ThuOct 22
- +4°+2°FriOct 23
- −5°−3°SatOct 24
New London weather by month: normals, records, snow and freeze dates
Sun & moon
Sun
Sunrise 7:10 AM, sunset 5:54 PM.
- Daylight
- 10 h 44 min
- Losing 2 min 39 s a day; shortest Dec 21, 1 h 32 min less
- Golden hour
- 5:15–6:11 PM
- Morning 6:53–7:48 AM
- Blue hour
- 6:11–6:22 PM
- Morning 6:42–6:53 AM; first light 6:42 AM
Stars tonight? Unknown
Cloud forecast not available for tonight.
Moon
Waxing gibbous
97% lit · growing
- Today
- sets 5:20 AM · rises 4:50 PM
- Full moon
- Oct 26
- New moon
- Nov 9
