Long Island Sound near New London Harbor (IN MLLW)
15 mi- Level
- 1.3 ft
Forecast peak 4.3 ft Tue 10 AM
Reading from Sat 1:54 PM · NWS gauge page
1 active weather alert
Frost Advisory
Starts in 8 h 45 min
- When
- From midnight tonight to 9 AM EDT Sunday.
- Where
- In Connecticut, Southern Fairfield, Southern Middlesex, Southern New Haven, and Southern New London Counties. In New York, Northeast Suffolk and Southeast Suffolk Counties.
Issued for this forecast zone · National Weather Service Upton NY
What, impacts and precautionsHide details
What
Temperatures in the mid 30s, and locally as low 25 to 30 in parts of the Pine Barrens of Long Island, will result in frost formation.
Impacts
Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
Precautionary actions
Take steps now to protect tender plants from the cold.
Areas: Southern Fairfield; Southern New Haven; Southern Middlesex; Southern New London; Northeast Suffolk; Southeast Suffolk
See it on weather.gov (opens in a new tab)
Observed 2:55 PM EDT at KGON
Fenwick, CT weather
Sunny and 59°15°, jacket by 7 PM.
Today: low 37°3° (likely 31°−1° to 37°3°), high 59°15° (likely 59°15° to 61°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
- UV tomorrow
- 4Moderate
- Moderate 11 AM–4 PM · peak 4
- Air today
- 39Good
- EPA forecast · PM2.5 (fine particles)
- Pressure
- 30.49 inHg1033 hPa
- Falling · −0.05 inHg−1.5 hPa in 3 h
Next 2 hours
No precipitation expected in the next 2 hours.
From forecast models
Next 48 hours
Good hours for
This afternoonNear 59°15° · Clear
TonightDown to 37°3° by 5 AM · Clear
Tomorrow morningUp to 55°13° by 11 AM · Clear
Tomorrow afternoonUp to 62°17° by 4 PM · Clear
Tomorrow nightDown to 46°8° by 5 AM · Clear
Monday morningUp to 58°14° by 11 AM · Clear
Monday afternoonNear 63°17° · Clear
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 3p | Sunny | 59°15° (likely 59°15° to 61°16°) | 59°15° | 0% | 6 mph10 km/h from W, gusts 9 mph15 km/h | 47% | 18% | 3 |
| Sat 4p | Sunny | 58°14° (likely 58°14° to 61°16°) | 58°14° | 0% | 5 mph8 km/h from W, gusts 9 mph14 km/h | 51% | 22% | 2 |
| Sat 5p | Sunny | 59°15° (likely 56°13° to 59°15°) | 59°15° | 0% | 5 mph8 km/h from W, gusts 8 mph13 km/h | 49% | 6% | 1 |
| Sat 6p | Clear | 56°13° (likely 52°11° to 56°13°) | 56°13° | 0% | 3 mph5 km/h from W, gusts 8 mph13 km/h | 57% | 2% | 0 |
| Sat 7p | Clear | 53°12° (likely 48°9° to 53°12°) | 53°12° | 0% | 3 mph5 km/h from W, gusts 8 mph13 km/h | 64% | 0% | 0 |
| Sat 8p | Clear | 50°10° (likely 45°7° to 50°10°) | 50°10° | 0% | 2 mph3 km/h from NW, gusts 7 mph11 km/h | 71% | 1% | 0 |
| Sat 9p | Clear | 48°9° (likely 44°7° to 48°9°) | 48°9° | 0% | 1 mph2 km/h from NW, gusts 7 mph12 km/h | 77% | 0% | 0 |
| Sat 10p | Clear | 45°7° (likely 42°6° to 45°7°) | 45°7° | 0% | 1 mph2 km/h from NW, gusts 7 mph12 km/h | 82% | 0% | 0 |
| Sat 11p | Clear | 44°7° (likely 41°5° to 44°7°) | 44°7° | 0% | 1 mph2 km/h from NW, gusts 7 mph12 km/h | 82% | 0% | 0 |
| Sun 12a | Clear | 42°6° (likely 40°4° to 42°6°) | 42°6° | 0% | 1 mph2 km/h from NW, gusts 7 mph11 km/h | 86% | 0% | 0 |
| Sun 1a | Clear | 41°5° (likely 39°4° to 41°5°) | 41°5° | 0% | 2 mph3 km/h from N, gusts 7 mph11 km/h | 86% | 0% | 0 |
| Sun 2a | Clear | 39°4° (likely 38°3° to 40°4°) | 39°4° | 0% | 2 mph3 km/h from N, gusts 8 mph13 km/h | 92% | 0% | 0 |
| Sun 3a | Clear | 38°3° (likely 37°3° to 39°4°) | 38°3° | 0% | 2 mph3 km/h from N, gusts 7 mph12 km/h | 92% | 0% | 0 |
| Sun 4a | Clear | 38°3° (likely 35°2° to 38°3°) | 38°3° | 0% | 2 mph3 km/h from N, gusts 7 mph12 km/h | 92% | 0% | 0 |
| Sun 5a | Clear | 37°3° (likely 34°1° to 37°3°) | 37°3° | 0% | 2 mph3 km/h from N, gusts 7 mph11 km/h | 96% | 0% | 0 |
| Sun 6a | Clear | 38°3° (likely 32°0° to 38°3°) | 38°3° | 0% | 2 mph3 km/h from N, gusts 7 mph11 km/h | 96% | 6% | 0 |
| Sun 7a | Sunny | 38°3° (likely 32°0° to 38°3°) | 36°2° | 0% | 3 mph5 km/h from N, gusts 7 mph11 km/h | 96% | 4% | 0 |
| Sun 8a | Sunny | 39°4° (likely 33°1° to 39°4°) | 37°3° | 0% | 3 mph5 km/h from N, gusts 7 mph11 km/h | 96% | 0% | 0 |
| Sun 9a | Sunny | 43°6° (likely 41°5° to 45°7°) | 43°6° | 0% | 2 mph3 km/h from N, gusts 8 mph12 km/h | 82% | 0% | 1 |
| Sun 10a | Sunny | 50°10° (likely 50°10° to 53°12°) | 50°10° | 0% | 1 mph2 km/h from NW, gusts 7 mph11 km/h | 63% | 0% | 2 |
| Sun 11a | Sunny | 55°13° (likely 55°13° to 59°15°) | 55°13° | 0% | 1 mph2 km/h from NW, gusts 5 mph8 km/h | 55% | 0% | 3 |
| Sun 12p | Sunny | 57°14° (likely 57°14° to 62°17°) | 57°14° | 0% | 2 mph3 km/h from NW, gusts 5 mph8 km/h | 51% | 0% | 4 |
| Sun 1p | Sunny | 60°16° (likely 60°16° to 64°18°) | 60°16° | 0% | 3 mph5 km/h from W, gusts 7 mph11 km/h | 47% | 0% | 4 |
| Sun 2p | Sunny | 61°16° (likely 61°16° to 65°18°) | 61°16° | 0% | 5 mph8 km/h from SW, gusts 8 mph13 km/h | 48% | 0% | 4 |
| Sun 3p | Sunny | 61°16° (likely 61°16° to 65°18°) | 61°16° | 0% | 5 mph8 km/h from SW, gusts 10 mph15 km/h | 48% | 0% | 3 |
| Sun 4p | Sunny | 62°17° (likely 60°16° to 63°17°) | 62°17° | 0% | 3 mph5 km/h from SW, gusts 10 mph16 km/h | 46% | 0% | 2 |
| Sun 5p | Sunny | 61°16° (likely 58°14° to 61°16°) | 61°16° | 0% | 3 mph5 km/h from SW, gusts 10 mph15 km/h | 50% | 0% | 1 |
| Sun 6p | Clear | 59°15° (likely 53°12° to 59°15°) | 59°15° | 0% | 3 mph5 km/h from SW, gusts 8 mph13 km/h | 55% | 0% | 0 |
| Sun 7p | Clear | 57°14° (likely 51°11° to 57°14°) | 57°14° | 0% | 3 mph5 km/h from SW, gusts 7 mph11 km/h | 62% | 0% | 0 |
| Sun 8p | Clear | 52°11° (likely 48°9° to 52°11°) | 52°11° | 0% | 3 mph5 km/h from SW, gusts 8 mph13 km/h | 77% | 0% | 0 |
| Sun 9p | Clear | 51°11° (likely 47°8° to 51°11°) | 51°11° | 0% | 3 mph5 km/h from SW, gusts 10 mph16 km/h | 80% | 0% | 0 |
| Sun 10p | Clear | 51°11° (likely 46°8° to 51°11°) | 51°11° | 0% | 3 mph5 km/h from SW, gusts 9 mph15 km/h | 80% | 0% | 0 |
| Sun 11p | Clear | 51°11° (likely 46°8° to 51°11°) | 51°11° | 0% | 3 mph5 km/h from SW, gusts 11 mph17 km/h | 83% | 0% | 0 |
| Mon 12a | Clear | 50°10° (likely 45°7° to 50°10°) | 49°9° | 0% | 3 mph5 km/h from W, gusts 12 mph19 km/h | 83% | 0% | 0 |
| Mon 1a | Clear | 50°10° (likely 44°7° to 50°10°) | 49°9° | 0% | 3 mph5 km/h from W, gusts 13 mph21 km/h | 83% | 1% | 0 |
| Mon 2a | Clear | 49°9° (likely 43°6° to 49°9°) | 48°9° | 0% | 3 mph5 km/h from W, gusts 14 mph23 km/h | 86% | 0% | 0 |
| Mon 3a | Clear | 47°8° (likely 42°6° to 47°8°) | 46°8° | 0% | 3 mph5 km/h from W, gusts 12 mph19 km/h | 89% | 0% | 0 |
| Mon 4a | Clear | 47°8° (likely 41°5° to 47°8°) | 45°7° | 0% | 5 mph8 km/h from W, gusts 12 mph20 km/h | 86% | 0% | 0 |
| Mon 5a | Clear | 46°8° (likely 40°4° to 46°8°) | 44°7° | 0% | 5 mph8 km/h from W, gusts 13 mph20 km/h | 89% | 0% | 0 |
| Mon 6a | Clear | 45°7° (likely 40°4° to 45°7°) | 43°6° | 0% | 5 mph8 km/h from W, gusts 12 mph19 km/h | 89% | 2% | 0 |
| Mon 7a | Sunny | 46°8° (likely 39°4° to 46°8°) | 43°6° | 0% | 6 mph10 km/h from W, gusts 10 mph15 km/h | 86% | 1% | 0 |
| Mon 8a | Sunny | 46°8° (likely 40°4° to 46°8°) | 43°6° | 0% | 6 mph10 km/h from W, gusts 6 mph10 km/h | 86% | 10% | 0 |
| Mon 9a | Sunny | 49°9° (likely 44°7° to 53°12°) | 47°8° | 0% | 6 mph10 km/h from W, gusts 7 mph10 km/h | 80% | 18% | 1 |
| Mon 10a | Sunny | 53°12° (likely 50°10° to 57°14°) | 53°12° | 0% | 7 mph11 km/h from W, gusts 9 mph15 km/h | 71% | 14% | 2 |
| Mon 11a | Sunny | 58°14° (likely 56°13° to 60°16°) | 58°14° | 0% | 7 mph11 km/h from W, gusts 11 mph18 km/h | 64% | 13% | 3 |
| Mon 12p | Sunny | 61°16° (likely 60°16° to 63°17°) | 61°16° | 0% | 8 mph13 km/h from W, gusts 13 mph21 km/h | 62% | 4% | 4 |
| Mon 1p | Sunny | 63°17° (likely 63°17° to 65°18°) | 63°17° | 0% | 9 mph14 km/h from W, gusts 13 mph21 km/h | 60% | 4% | 4 |
| Mon 2p | Sunny | 64°18° (likely 64°18° to 66°19°) | 64°18° | 0% | 10 mph16 km/h from W, gusts 13 mph21 km/h | 63% | 5% | 4 |
Days ahead
Shaded: typical range for these dates (1991–2020)
Today, Oct 24. Partly sunny. High 59°15°, low 37°3°. Typical 62°17° / 47°8°. Dry. Mostly agree.
Afternoon
noon–6 PM
Sunny, 59°15°Dry
Evening
6 PM–midnight
Clear, 50°10°Dry
Overnight
midnight–6 AM
Clear, 37°3°Dry
Official NWS forecast
Today: Mostly sunny, with a high near 59. West wind around 6 mph.
Tonight: Patchy frost after 3am. Mostly clear, with a low around 37. Northwest wind around 3 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 59°15°–61°16°
- Low, likely
- 31°−1°–37°3°
- Typical high / low
- 62°17° / 47°8°
- Wind
- 7 mph10 km/h, gusts 12 mph19 km/h
- UV peak
- 4
Tomorrow, Oct 25. Sunny. High 62°17°, low 45°7°. Typical 61°16° / 47°8°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 39°4°Dry
Afternoon
noon–6 PM
Sunny, 62°17°Dry
Evening
6 PM–midnight
Clear, 52°11°Dry
Overnight
midnight–6 AM
Clear, 46°8°Dry
Official NWS forecast
Day: Patchy frost before 8am. Sunny, with a high near 62. Northwest wind 1 to 5 mph.
Night: Clear, with a low around 45. West wind around 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 61°16°–65°18°
- Low, likely
- 32°0°–45°7°
- Typical high / low
- 61°16° / 47°8°
- Wind
- 8 mph13 km/h, gusts 16 mph25 km/h
- UV peak
- 4
Monday, Oct 26. Mostly sunny. High 65°18°, low 46°8°. Typical 61°16° / 47°8°. Dry. Forecasts agree.
Morning
6 AM–noon
Sunny, 46°8°Dry
Afternoon
noon–6 PM
Sunny, 66°19°Dry
Evening
6 PM–midnight
Clear, 55°13°Dry
Overnight
midnight–6 AM
Clear, 49°9°Dry
Official NWS forecast
Day: Sunny, with a high near 65. West wind 5 to 10 mph.
Night: Mostly clear. Low around 46, with temperatures rising to around 48 overnight.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 64°18°–66°19°
- Low, likely
- 40°4°–46°8°
- Typical high / low
- 61°16° / 47°8°
- Wind
- 10 mph16 km/h, gusts 22 mph36 km/h
- UV peak
- 4
Tuesday, Oct 27. Sunny. High 60°16°, low 38°3°. Typical 60°16° / 46°8°. Dry. Forecasts agree.
Morning
6 AM–noon
Sunny, 45°7°Dry
Afternoon
noon–6 PM
Sunny, 56°13°Dry
Evening
6 PM–midnight
Clear, 45°7°Dry
Overnight
midnight–6 AM
Clear, 37°3°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 60.
Night: Mostly clear, with a low around 38.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 55°13°–60°16°
- Low, likely
- 38°3°–44°7°
- Typical high / low
- 60°16° / 46°8°
- Wind
- 12 mph19 km/h, gusts 23 mph37 km/h
- UV peak
- 4
Wednesday, Oct 28. Mostly sunny. High 57°14°, low 46°8°. Typical 60°16° / 46°8°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 37°3°Dry
Afternoon
noon–6 PM
Partly sunny, 55°13°Dry
Evening
6 PM–midnight
Mostly clear, 47°8°Dry
Overnight
midnight–6 AM
Cloudy, 46°8°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 46.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 52°11°–57°14°
- Low, likely
- 32°0°–46°8°
- Typical high / low
- 60°16° / 46°8°
- Wind
- 8 mph13 km/h, gusts 16 mph26 km/h
- UV peak
- 4
Thursday, Oct 29. Partly sunny. High 63°17°, low 52°11°. Typical 60°16° / 46°8°. Dry. Forecasts differ.
Morning
6 AM–noon
Sunny, 48°9°Dry
Afternoon
noon–6 PM
Sunny, 62°16°Dry
Evening
6 PM–midnight
Clear, 55°13°Dry
Overnight
midnight–6 AM
Clear, 52°11°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 63.
Night: Mostly clear, with a low around 52.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 58°14°–64°18°
- Low, likely
- 43°6°–52°11°
- Typical high / low
- 60°16° / 46°8°
- Wind
- 11 mph18 km/h, gusts 33 mph53 km/h
- UV peak
- 4
Friday, Oct 30. Mostly sunny. High 67°19°, low 50°10°. Typical 59°15° / 46°8°. Dry. Forecasts agree.
Morning
6 AM–noon
Sunny, 52°11°Dry
Afternoon
noon–6 PM
Sunny, 69°21°Dry
Evening
6 PM–midnight
Clear, 57°14°Dry
Overnight
midnight–6 AM
Clear, 48°9°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 67.
Night: Mostly clear, with a low around 50.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 67°19°–70°21°
- Low, likely
- 49°9°–52°11°
- Typical high / low
- 59°15° / 46°8°
- Wind
- 10 mph16 km/h, gusts 24 mph39 km/h
- UV peak
- 4
Saturday, Oct 31. Cloudy. High 64°18°, low 48°9°. Typical 59°15° / 45°7°. Dry. Forecasts differ.
Morning
6 AM–noon
Sunny, 49°9°Dry
Afternoon
noon–6 PM
Cloudy, 67°19°Dry
Evening
6 PM–midnight
Cloudy, 55°13°Dry
Overnight
midnight–6 AM
Cloudy, 51°11°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.
- High, likely
- 60°16°–68°20°
- Low, likely
- 46°8°–50°10°
- Typical high / low
- 59°15° / 45°7°
- Wind
- 12 mph20 km/h, gusts 26 mph42 km/h
- UV peak
- 3
Sunday, Nov 1. Cloudy. High 64°18°, low 51°11°. Typical 58°14° / 45°7°. Rain 0.01 in0.3 mm, 30% chance. Forecasts differ.
Morning
6 AM–noon
Cloudy, 54°12°Dry
Afternoon
noon–6 PM
Cloudy, 64°18°Dry
Evening
6 PM–midnight
Drizzle, 59°15°30% chance · 0.02 in0.4 mm
Overnight
midnight–6 AM
Drizzle, 59°15°40% chance · 0.04 in0.9 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.
- High, likely
- 56°13°–70°21°
- Low, likely
- 48°9°–54°12°
- Typical high / low
- 58°14° / 45°7°
- Wind
- 10 mph16 km/h, gusts 24 mph39 km/h
- UV peak
- 2
Monday, Nov 2. Drizzle. High 65°18°, low 59°15°. Typical 58°14° / 45°7°. Rain 0.42 in11 mm, 40% chance. Mostly agree.
Morning
6 AM–noon
Drizzle, 61°16°40% chance · 0.1 in2.6 mm
Afternoon
noon–6 PM
Showers, 64°18°30% chance · 0.18 in4.5 mm
Evening
6 PM–midnight
Showers, 63°17°20% chance · 0.18 in4.5 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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 62°17°–69°21°
- Low, likely
- 56°13°–65°18°
- Typical high / low
- 58°14° / 45°7°
- Wind
- 18 mph29 km/h, gusts 32 mph51 km/h
The outlook
Today
Dry, high 59°, low 37°.
Tomorrow
Dry, high 62°, low 45°, warming up.
Monday
Dry, high 65°, low 46°, warming up.
Rest of week
Mostly dry, highs 57–67°.
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
Connecticut River at Middle Haddam
21 mi- Level
- 3.0 ft
Forecast peak 3.3 ft Sun 1 PM
Reading from Sat 1:45 PM · NWS gauge page
Yantic River at Yantic
23 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
Orient Harbor at Orient (IN MLLW)
9.6 mi- Level
- 1.5 ft
Reading from Sat 1:54 PM · NWS gauge page
For your home
What this week’s weather means for heating, cooling, pipes and fresh air.
Heating this week
About 65% less heating than a typical week.
This week 29Typical 81
Heating degree days, base 65°F
Heat-pump hours, next 7 days
- h below 47°F
- 18
- 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, 1:00 PM–5:00 PM
Good stretch to open the windows.
Is this typical?
Orient Point State Park · official normals 1991–2020 · records 2017–2026
Oct 24, today vs a typical year
Today’s expected high is 3°2° colder than typical.
- Normal high / low
- 62°17° / 47°8°
- Forecast high / low
- 59°15° / 37°3°
- Record high
- 74°23° in 2017
- Record low
- 46°8° in 2025
Last 7 days vs normal
On average 2°1° colder than normal (daily mean temperature).
- −10°−6°SunOct 18
- −7°−4°MonOct 19
- ±0°TueOct 20
- +3°+1°WedOct 21
- ±0°ThuOct 22
- +2°+1°FriOct 23
- −4°−2°SatOct 24
Fenwick weather by month: normals, records, snow and freeze dates
Sun & moon
Sun
Sunrise 7:11 AM, sunset 5:55 PM.
- Daylight
- 10 h 44 min
- Losing 2 min 35 s a day; shortest Dec 21, 1 h 32 min less
- Golden hour
- 5:16–6:12 PM
- Morning 6:54–7:49 AM
- Blue hour
- 6:12–6:23 PM
- Morning 6:43–6:54 AM; first light 6:43 AM
Stars tonight? Fair
Clear 6:23 PM–6:44 AM, but the moon is 99% lit and up.
Moon
Waxing gibbous
97% lit · growing
- Today
- sets 5:21 AM · rises 4:51 PM
- Full moon
- Oct 26
- New moon
- Nov 9
