Peconic River at Riverhead (IN MLLW)
6.3 mi- Level
- 3.1 ft
Reading from Sat 1:54 PM · NWS gauge page
Appearance
Starts in 9 h 14 min
Issued for this forecast zone · National Weather Service Upton NY
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 2:15 PM EDT at KFOK
Sunny and 59°15°, jacket by 7 PM.
Today: low 38°3° (likely 38°3° to 45°7°), high 58°14° (likely 57°14° to 58°14°).
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 2p | Sunny | 57°14° (likely 55°13° to 57°14°) | 57°14° | 0% | 5 mph8 km/h from NW, gusts 9 mph15 km/h | 49% | 43% | 4 |
| Sat 3p | Partly sunny | 57°14° (likely 56°13° to 58°14°) | 57°14° | 0% | 5 mph8 km/h from W, gusts 11 mph18 km/h | 49% | 51% | 3 |
| Sat 4p | Partly sunny | 57°14° (likely 57°14° to 58°14°) | 57°14° | 0% | 3 mph5 km/h from W, gusts 10 mph16 km/h | 49% | 60% | 2 |
| Sat 5p | Sunny | 58°14° (likely 56°13° to 58°14°) | 58°14° | 0% | 3 mph5 km/h from W, gusts 7 mph12 km/h | 47% | 43% | 1 |
| Sat 6p | Partly cloudy | 56°13° (likely 51°11° to 56°13°) | 56°13° | 0% | 3 mph5 km/h from W, gusts 7 mph10 km/h | 49% | 65% | 0 |
| Sat 7p | Mostly clear | 53°12° (likely 49°9° to 55°13°) | 53°12° | 0% | 2 mph3 km/h from W, gusts 6 mph10 km/h | 54% | 37% | 0 |
| Sat 8p | Clear | 50°10° (likely 48°9° to 54°12°) | 50°10° | 0% | 2 mph3 km/h from W, gusts 7 mph12 km/h | 61% | 14% | 0 |
| Sat 9p | Clear | 47°8° (likely 47°8° to 53°12°) | 47°8° | 0% | 2 mph3 km/h from W, gusts 8 mph12 km/h | 68% | 3% | 0 |
| Sat 10p | Clear | 46°8° (likely 46°8° to 52°11°) | 46°8° | 0% | 2 mph3 km/h from W, gusts 7 mph12 km/h | 71% | 2% | 0 |
| Sat 11p | Clear | 45°7° (likely 44°7° to 51°11°) | 45°7° | 0% | 2 mph3 km/h from W, gusts 7 mph11 km/h | 73% | 3% | 0 |
| Sun 12a | Clear | 44°7° (likely 43°6° to 51°11°) | 44°7° | 0% | 2 mph3 km/h from W, gusts 7 mph11 km/h | 76% | 5% | 0 |
| Sun 1a | Clear | 43°6° (likely 43°6° to 50°10°) | 41°5° | 0% | 3 mph5 km/h from NW, gusts 7 mph11 km/h | 79% | 7% | 0 |
| Sun 2a | Clear | 42°6° (likely 42°6° to 50°10°) | 40°4° | 0% | 3 mph5 km/h from NW, gusts 7 mph11 km/h | 82% | 8% | 0 |
| Sun 3a | Clear | 41°5° (likely 41°5° to 49°9°) | 39°4° | 0% | 3 mph5 km/h from NW, gusts 7 mph11 km/h | 86% | 6% | 0 |
| Sun 4a | Clear | 40°4° (likely 40°4° to 49°9°) | 38°3° | 0% | 3 mph5 km/h from NW, gusts 7 mph11 km/h | 89% | 3% | 0 |
| Sun 5a | Clear | 39°4° (likely 39°4° to 49°9°) | 37°3° | 0% | 3 mph5 km/h from NW, gusts 6 mph10 km/h | 92% | 1% | 0 |
| Sun 6a | Clear | 40°4° (likely 40°4° to 49°9°) | 38°3° | 0% | 3 mph5 km/h from N, gusts 6 mph9 km/h | 89% | 0% | 0 |
| Sun 7a | Sunny | 41°5° (likely 41°5° to 48°9°) | 39°4° | 0% | 3 mph5 km/h from N, gusts 6 mph9 km/h | 86% | 0% | 0 |
| Sun 8a | Sunny | 42°6° (likely 42°6° to 48°9°) | 40°4° | 0% | 3 mph5 km/h from N, gusts 6 mph10 km/h | 86% | 0% | 0 |
| Sun 9a | Sunny | 46°8° (likely 46°8° to 52°11°) | 45°7° | 0% | 3 mph5 km/h from N, gusts 6 mph9 km/h | 73% | 0% | 1 |
| Sun 10a | Sunny | 49°9° (likely 49°9° to 55°13°) | 48°9° | 0% | 3 mph5 km/h from N, gusts 7 mph11 km/h | 68% | 0% | 2 |
| Sun 11a | Sunny | 52°11° (likely 52°11° to 58°14°) | 52°11° | 0% | 3 mph5 km/h from N, gusts 7 mph12 km/h | 63% | 0% | 3 |
| Sun 12p | Sunny | 54°12° (likely 54°12° to 60°16°) | 54°12° | 0% | 3 mph5 km/h from NW, gusts 8 mph12 km/h | 59% | 0% | 4 |
| Sun 1p | Sunny | 57°14° (likely 57°14° to 61°16°) | 57°14° | 0% | 3 mph5 km/h from NW, gusts 8 mph13 km/h | 53% | 0% | 4 |
| Sun 2p | Sunny | 59°15° (likely 58°14° to 63°17°) | 59°15° | 0% | 3 mph5 km/h from NW, gusts 8 mph13 km/h | 49% | 0% | 4 |
| Sun 3p | Sunny | 60°16° (likely 59°15° to 63°17°) | 60°16° | 0% | 3 mph5 km/h from W, gusts 7 mph12 km/h | 47% | 0% | 3 |
| Sun 4p | Sunny | 61°16° (likely 59°15° to 63°17°) | 61°16° | 0% | 2 mph3 km/h from W, gusts 7 mph11 km/h | 46% | 0% | 2 |
| Sun 5p | Sunny | 60°16° (likely 59°15° to 61°16°) | 60°16° | 0% | 2 mph3 km/h from SW, gusts 6 mph10 km/h | 47% | 0% | 1 |
| Sun 6p | Clear | 57°14° (likely 54°12° to 57°14°) | 57°14° | 0% | 3 mph5 km/h from SW, gusts 6 mph10 km/h | 55% | 0% | 0 |
| Sun 7p | Clear | 53°12° (likely 49°9° to 55°13°) | 53°12° | 0% | 3 mph5 km/h from SW, gusts 10 mph16 km/h | 66% | 0% | 0 |
| Sun 8p | Clear | 49°9° (likely 47°8° to 54°12°) | 47°8° | 0% | 5 mph8 km/h from SW, gusts 11 mph17 km/h | 80% | 0% | 0 |
| Sun 9p | Clear | 48°9° (likely 46°8° to 53°12°) | 46°8° | 0% | 5 mph8 km/h from SW, gusts 12 mph19 km/h | 80% | 0% | 0 |
| Sun 10p | Clear | 47°8° (likely 45°7° to 53°12°) | 45°7° | 0% | 5 mph8 km/h from SW, gusts 12 mph19 km/h | 83% | 0% | 0 |
| Sun 11p | Clear | 47°8° (likely 44°7° to 53°12°) | 45°7° | 0% | 5 mph8 km/h from SW, gusts 12 mph19 km/h | 83% | 0% | 0 |
| Mon 12a | Clear | 47°8° (likely 43°6° to 53°12°) | 45°7° | 0% | 5 mph8 km/h from SW, gusts 12 mph20 km/h | 83% | 0% | 0 |
| Mon 1a | Clear | 46°8° (likely 42°6° to 52°11°) | 43°6° | 0% | 6 mph10 km/h from W, gusts 15 mph23 km/h | 89% | 0% | 0 |
| Mon 2a | Clear | 46°8° (likely 42°6° to 52°11°) | 43°6° | 0% | 6 mph10 km/h from W, gusts 14 mph22 km/h | 89% | 0% | 0 |
| Mon 3a | Clear | 44°7° (likely 41°5° to 50°10°) | 41°5° | 0% | 6 mph10 km/h from W, gusts 13 mph22 km/h | 96% | 0% | 0 |
| Mon 4a | Clear | 43°6° (likely 40°4° to 50°10°) | 39°4° | 0% | 7 mph11 km/h from W, gusts 14 mph23 km/h | 96% | 0% | 0 |
| Mon 5a | Clear | 43°6° (likely 39°4° to 50°10°) | 39°4° | 0% | 7 mph11 km/h from W, gusts 14 mph22 km/h | 96% | 0% | 0 |
| Mon 6a | Clear | 42°6° (likely 41°5° to 50°10°) | 38°3° | 0% | 7 mph11 km/h from W, gusts 14 mph22 km/h | 100% | 1% | 0 |
| Mon 7a | Sunny | 43°6° (likely 42°6° to 50°10°) | 38°3° | 0% | 8 mph13 km/h from W, gusts 12 mph20 km/h | 96% | 1% | 0 |
| Mon 8a | Sunny | 44°7° (likely 44°7° to 50°10°) | 39°4° | 0% | 8 mph13 km/h from W, gusts 11 mph18 km/h | 93% | 9% | 0 |
| Mon 9a | Sunny | 48°9° (likely 48°9° to 54°12°) | 44°7° | 0% | 8 mph13 km/h from W, gusts 10 mph16 km/h | 83% | 16% | 1 |
| Mon 10a | Sunny | 51°11° (likely 51°11° to 57°14°) | 51°11° | 0% | 8 mph13 km/h from W, gusts 11 mph18 km/h | 80% | 12% | 2 |
| Mon 11a | Sunny | 54°12° (likely 54°12° to 59°15°) | 54°12° | 0% | 8 mph13 km/h from W, gusts 12 mph19 km/h | 74% | 8% | 3 |
| Mon 12p | Sunny | 57°14° (likely 57°14° to 62°17°) | 57°14° | 0% | 8 mph13 km/h from W, gusts 13 mph20 km/h | 69% | 1% | 4 |
| Mon 1p | Sunny | 59°15° (likely 59°15° to 63°17°) | 59°15° | 0% | 9 mph14 km/h from W, gusts 12 mph20 km/h | 64% | 2% | 4 |
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Official NWS forecast
Today: Mostly sunny, with a high near 58. West wind around 5 mph.
Tonight: Mostly clear, with a low around 38. Northwest wind around 3 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: Sunny, with a high near 61. Northwest wind around 3 mph.
Night: Clear. Low around 41, with temperatures rising to around 43 overnight. Southwest wind 3 to 7 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: Sunny, with a high near 64. West wind around 9 mph.
Night: Clear. Low around 49, with temperatures rising to around 51 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 56.
Night: Mostly clear, with a low around 45.
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 56.
Night: Partly cloudy, 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: Mostly sunny, with a high near 63.
Night: Mostly clear, with a low around 54.
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 66.
Night: Mostly clear, with a low around 53.
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.
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 · 0.02 in0.5 mm
Overnight
midnight–6 AM
30% chance · 0.04 in1 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
30% chance · 0.1 in2.5 mm
Afternoon
noon–6 PM
20% chance · 0.13 in3.2 mm
Evening
6 PM–midnight
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.
Dry, high 58°, low 38°.
Dry, high 61°, low 41°, warming up.
Dry, high 64°, low 49°, warming up.
Mostly dry, highs 56–66°.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (OKX) (opens in a new tab)
No meaningful changes from yesterday’s forecast.
Reading from Sat 1:54 PM · NWS gauge page
Reading from Sat 1:48 PM · NWS gauge page
Reading from Sat 1:48 PM · NWS gauge page
Reading from Sat 1:24 PM · NWS gauge page
What this week’s weather means for heating, cooling, pipes and fresh air.
About 72% 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 8 hours are near freezing and damp, when outdoor units defrost more often.
Dry air outside (dew point 38°F).
Sun, 3:00 PM–5:00 PM
Good stretch to open the windows.
Today’s expected high is 3°2° colder than typical.
Baiting Hollow weather by month: normals, records, snow and freeze dates
Sunrise 7:12 AM, sunset 5:57 PM.
Mostly clear 8 PM–6:45 AM, but the moon is 99% lit and up.
Waxing gibbous
97% lit · growing