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  • Frost Advisory

    Ends in 5 h 19 min

    When
    Until 9 AM EDT Saturday.
    Where
    In Connecticut, Southern Fairfield, Southern Middlesex, Southern New Haven, and Southern New London Counties. In New York, Southern Westchester County.

    Issued for this forecast zone · National Weather Service Upton NY

    What, impacts and precautions

    What

    Temperatures as low as the mid 30s 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; Southern Westchester

    See it on weather.gov (opens in a new tab)

Observed 3:10 AM EDT at KHPN

New Rochelle, NY weather

Clear and 43°6°.

Today: low 40°4° (likely 38°3° to 41°5°), high 62°17° (likely 60°16° to 63°17°).

Mostly agree

Now 43°6°

Clear · Feels like 39°4°

Wind
7 mph11 km/h
From the west-northwest. 35–7 mph11 km/h through 3 PM
Dew point
30°−1°
Dry, static shocks likely
UV index
0Low
Moderate 11 AM–4 PM · peak 4
Air quality
47Good
PM2.5 (fine particles) · tomorrow moderate
Pressure
30.48 inHg1032 hPa
Rising slowly · +0.02 inHg+0.6 hPa in 3 h

Next 2 hours

No precipitation expected in the next 2 hours.

Next 48 hours

3°1° cooler than this time yesterday (45°7° then, 42°6° now)

Good hours for
  • Low 41°5° tonight at 5 AM
  • Above 50°10° today by 10 AM
  • High 62°17° today at 3 PM
  1. TonightNear 43°6° · Clear
  2. This morningUp to 56°13° by 11 AM · Mostly cloudy
  3. This afternoonNear 61°16° · Partly cloudy
  4. TonightDown to 43°6° by 4 AM · Clear
  5. Tomorrow morningUp to 57°14° by 11 AM · Clear
  6. Tomorrow afternoonUp to 65°18° by 5 PM · Clear
  7. Tomorrow nightDown to 45°7° by 2 AM · Clear
Hourly forecast, next 48 hours, in the place's local time
HourConditionsTemperatureFeels likePrecipitationWindHumidityCloud coverUV index
Sat 3aClear44°7° (likely 41°5° to 44°7°)41°5°0%5 mph8 km/h from N, gusts 7 mph11 km/h76%16%0
Sat 4aClear42°6° (likely 40°4° to 44°7°)39°4°0%5 mph8 km/h from N, gusts 7 mph11 km/h79%17%0
Sat 5aPartly cloudy41°5° (likely 40°4° to 43°6°)38°3°0%5 mph8 km/h from N, gusts 7 mph12 km/h82%21%0
Sat 6aMostly cloudy41°5° (likely 39°4° to 43°6°)38°3°0%5 mph8 km/h from N, gusts 9 mph14 km/h82%44%0
Sat 7aCloudy41°5° (likely 38°3° to 42°6°)38°3°0%5 mph8 km/h from N, gusts 8 mph13 km/h82%72%0
Sat 8aCloudy42°6° (likely 39°4° to 43°6°)39°4°0%5 mph8 km/h from N, gusts 7 mph12 km/h79%80%0
Sat 9aCloudy46°8° (likely 44°7° to 46°8°)44°7°0%5 mph8 km/h from N, gusts 7 mph11 km/h71%80%1
Sat 10aCloudy52°11° (likely 48°9° to 52°11°)52°11°0%3 mph5 km/h from N, gusts 5 mph9 km/h59%80%2
Sat 11aCloudy56°13° (likely 52°11° to 56°13°)56°13°0%3 mph5 km/h from N, gusts 3 mph6 km/h51%78%3
Sat 12pCloudy59°15° (likely 55°13° to 59°15°)59°15°0%3 mph5 km/h from NW, gusts 5 mph8 km/h44%76%3
Sat 1pCloudy59°15° (likely 57°14° to 61°16°)59°15°0%3 mph5 km/h from NW, gusts 5 mph8 km/h44%76%4
Sat 2pCloudy61°16° (likely 59°15° to 62°17°)61°16°0%3 mph5 km/h from NW, gusts 5 mph8 km/h38%75%4
Sat 3pMostly cloudy62°17° (likely 60°16° to 63°17°)62°17°0%3 mph5 km/h from NW, gusts 5 mph8 km/h36%69%3
Sat 4pPartly sunny62°17° (likely 60°16° to 63°17°)62°17°0%3 mph5 km/h from W, gusts 5 mph8 km/h36%51%2
Sat 5pSunny62°17° (likely 59°15° to 62°17°)62°17°0%2 mph3 km/h from W, gusts 5 mph9 km/h38%11%1
Sat 6pClear58°14° (likely 55°13° to 59°15°)58°14°0%0 mph0 km/h, gusts 5 mph8 km/h45%6%0
Sat 7pClear55°13° (likely 52°11° to 56°13°)55°13°0%0 mph0 km/h, gusts 3 mph4 km/h51%4%0
Sat 8pClear53°12° (likely 50°10° to 55°13°)53°12°0%1 mph2 km/h from W, gusts 6 mph10 km/h52%0%0
Sat 9pClear51°11° (likely 48°9° to 52°11°)51°11°0%1 mph2 km/h from W, gusts 7 mph12 km/h56%0%0
Sat 10pClear50°10° (likely 46°8° to 50°10°)50°10°0%1 mph2 km/h from NW, gusts 6 mph10 km/h61%0%0
Sat 11pClear49°9° (likely 45°7° to 49°9°)49°9°0%1 mph2 km/h from NW, gusts 6 mph9 km/h63%0%0
Sun 12aClear48°9° (likely 44°7° to 48°9°)48°9°0%2 mph3 km/h from NW, gusts 6 mph9 km/h65%0%0
Sun 1aClear47°8° (likely 43°6° to 47°8°)47°8°0%2 mph3 km/h from NW, gusts 7 mph11 km/h68%0%0
Sun 2aClear45°7° (likely 42°6° to 46°8°)45°7°0%2 mph3 km/h from NW, gusts 6 mph9 km/h73%0%0
Sun 3aClear44°7° (likely 41°5° to 45°7°)44°7°0%2 mph3 km/h from NW, gusts 5 mph8 km/h76%0%0
Sun 4aClear43°6° (likely 40°4° to 45°7°)43°6°0%3 mph5 km/h from NW, gusts 6 mph9 km/h79%0%0
Sun 5aClear43°6° (likely 40°4° to 43°6°)43°6°0%3 mph5 km/h from NW, gusts 7 mph11 km/h79%0%0
Sun 6aClear42°6° (likely 40°4° to 42°6°)42°6°0%3 mph5 km/h from NW, gusts 6 mph10 km/h79%0%0
Sun 7aSunny42°6° (likely 39°4° to 42°6°)42°6°0%3 mph5 km/h from NW, gusts 7 mph11 km/h79%6%0
Sun 8aSunny41°5° (likely 40°4° to 42°6°)41°5°0%3 mph5 km/h from NW, gusts 7 mph12 km/h85%8%0
Sun 9aSunny46°8° (likely 44°7° to 47°8°)46°8°0%3 mph5 km/h from NW, gusts 6 mph10 km/h73%0%1
Sun 10aSunny52°11° (likely 50°10° to 54°12°)52°11°0%2 mph3 km/h from NW, gusts 7 mph12 km/h61%0%2
Sun 11aSunny57°14° (likely 56°13° to 58°14°)57°14°0%2 mph3 km/h from NW, gusts 6 mph10 km/h51%0%3
Sun 12pSunny60°16° (likely 60°16° to 61°16°)60°16°0%3 mph5 km/h from W, gusts 6 mph9 km/h44%0%4
Sun 1pSunny62°17° (likely 62°17° to 64°18°)62°17°0%3 mph5 km/h from W, gusts 6 mph9 km/h39%0%4
Sun 2pSunny64°18° (likely 63°17° to 66°19°)64°18°0%3 mph5 km/h from W, gusts 6 mph9 km/h37%0%4
Sun 3pSunny64°18° (likely 64°18° to 67°19°)64°18°0%2 mph3 km/h from W, gusts 6 mph10 km/h35%0%3
Sun 4pSunny64°18° (likely 63°17° to 67°19°)64°18°0%2 mph3 km/h from W, gusts 7 mph11 km/h37%0%2
Sun 5pSunny65°18° (likely 62°17° to 66°19°)65°18°0%2 mph3 km/h from SW, gusts 7 mph12 km/h35%0%1
Sun 6pClear61°16° (likely 57°14° to 61°16°)61°16°0%2 mph3 km/h from SW, gusts 7 mph11 km/h41%0%0
Sun 7pClear58°14° (likely 54°12° to 58°14°)58°14°0%2 mph3 km/h from SW, gusts 7 mph11 km/h47%0%0
Sun 8pClear56°13° (likely 52°11° to 57°14°)56°13°0%2 mph3 km/h from SW, gusts 7 mph12 km/h53%0%0
Sun 9pClear52°11° (likely 51°11° to 59°15°)52°11°0%2 mph3 km/h from SW, gusts 6 mph9 km/h61%0%0
Sun 10pClear50°10° (likely 48°9° to 57°14°)50°10°0%2 mph3 km/h from SW, gusts 5 mph9 km/h68%0%0
Sun 11pClear49°9° (likely 46°8° to 56°13°)49°9°0%3 mph5 km/h from W, gusts 6 mph9 km/h71%0%0
Mon 12aClear48°9° (likely 44°7° to 55°13°)48°9°0%3 mph5 km/h from W, gusts 6 mph10 km/h74%0%0
Mon 1aClear46°8° (likely 43°6° to 54°12°)46°8°0%3 mph5 km/h from W, gusts 6 mph9 km/h76%0%0
Mon 2aClear45°7° (likely 42°6° to 53°12°)45°7°0%3 mph5 km/h from W, gusts 6 mph10 km/h79%0%0

Days ahead

Shaded: typical range for these dates (1991–2020)
  1. Today, Oct 24. Cloudy. High 62°17°, low 40°4°. Typical 63°17° / 50°10°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 42°6°

      Dry

    2. Afternoon

      noon–6 PM

      Mostly cloudy, 62°17°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 53°12°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 43°6°

      Dry

    Official NWS forecast

    Today: Partly sunny, with a high near 62. Northwest wind around 5 mph.

    Tonight: Partly cloudy, with a low around 40. North wind around 5 mph.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    60°16°–63°17°
    Low, likely
    38°3°–41°5°
    Typical high / low
    63°17° / 50°10°
    Wind
    6 mph9 km/h, gusts 13 mph20 km/h
    UV peak
    4
  2. Tomorrow, Oct 25. Sunny. High 66°19°, low 42°6°. Typical 63°17° / 50°10°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 41°5°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 65°18°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 56°13°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 45°7°

      Dry

    Official NWS forecast

    Day: Sunny, with a high near 66. Northwest wind around 3 mph.

    Night: Clear, with a low around 42. Southwest wind around 3 mph.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    63°17°–67°19°
    Low, likely
    39°4°–42°6°
    Typical high / low
    63°17° / 50°10°
    Wind
    6 mph10 km/h
    UV peak
    4
  3. Monday, Oct 26. Sunny. High 69°21°, low 47°8°. Typical 62°17° / 50°10°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 45°7°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 69°20°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 61°16°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 51°11°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Sunny, with a high near 69.

    Night: Mostly clear, with a low around 47.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    66°19°–70°21°
    Low, likely
    41°5°–48°9°
    Typical high / low
    62°17° / 50°10°
    Wind
    8 mph13 km/h, gusts 21 mph34 km/h
    UV peak
    4
  4. Tuesday, Oct 27. Mostly sunny. High 59°15°, low 40°4°. Typical 62°17° / 49°9°. Dry. Forecasts agree.
    1. Morning

      6 AM–noon

      Sunny, 49°9°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 58°14°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 50°10°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 42°6°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Sunny, with a high near 59.

    Night: Mostly clear, with a low around 40.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    57°14°–59°15°
    Low, likely
    40°4°–48°9°
    Typical high / low
    62°17° / 49°9°
    Wind
    13 mph21 km/h, gusts 28 mph45 km/h
    UV peak
    4
  5. Wednesday, Oct 28. Partly sunny. High 58°14°, low 48°9°. Typical 62°17° / 49°9°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Sunny, 41°5°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 56°13°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 51°11°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 47°8°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 58.

    Night: Partly cloudy, with a low around 48.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    53°12°–60°16°
    Low, likely
    39°4°–48°9°
    Typical high / low
    62°17° / 49°9°
    Wind
    8 mph13 km/h, gusts 16 mph26 km/h
    UV peak
    4
  6. Thursday, Oct 29. Partly sunny. High 66°19°, low 51°11°. Typical 61°16° / 49°9°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Sunny, 47°8°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 64°18°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 58°15°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 50°10°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 66.

    Night: Mostly clear, with a low around 51.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    61°16°–66°19°
    Low, likely
    46°8°–51°11°
    Typical high / low
    61°16° / 49°9°
    Wind
    10 mph16 km/h, gusts 28 mph45 km/h
    UV peak
    4
  7. Friday, Oct 30. Partly sunny. High 68°20°, low 49°9°. Typical 61°16° / 48°9°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Sunny, 49°10°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 69°20°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 59°15°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 48°9°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 68.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    65°18°–72°22°
    Low, likely
    48°9°–50°10°
    Typical high / low
    61°16° / 48°9°
    Wind
    9 mph15 km/h, gusts 25 mph40 km/h
    UV peak
    4
  8. Saturday, Oct 31. Partly sunny. High 66°19°, low 48°9°. Typical 60°16° / 48°9°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Sunny, 47°8°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 65°19°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 58°14°

      Dry

    4. 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
    61°16°–72°22°
    Low, likely
    44°7°–52°11°
    Typical high / low
    60°16° / 48°9°
    Wind
    11 mph17 km/h, gusts 26 mph42 km/h
    UV peak
    4
  9. Sunday, Nov 1. Cloudy. High 64°18°, low 51°11°. Typical 60°16° / 48°9°. Rain 0.02 in0.5 mm, 20% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 50°10°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 63°17°

      Dry

    3. Evening

      6 PM–midnight

      Drizzle, 58°14°

      20% chance · 0.01 in0.3 mm

    4. Overnight

      midnight–6 AM

      Drizzle, 56°13°

      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.

    High, likely
    58°14°–68°20°
    Low, likely
    47°8°–55°13°
    Typical high / low
    60°16° / 48°9°
    Wind
    9 mph14 km/h, gusts 21 mph33 km/h
    UV peak
    3
  10. Monday, Nov 2. Drizzle. High 66°19°, low 57°14°. Typical 60°16° / 47°8°. Rain 0.22 in5.6 mm, 30% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 59°15°

      30% chance

    2. Afternoon

      noon–6 PM

      Cloudy, 67°20°

      20% chance · 0.1 in2.5 mm

    3. Evening

      6 PM–midnight

      Clear, 60°16°

      20% chance · 0.1 in2.6 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
    55°13°–59°15°
    Typical high / low
    60°16° / 47°8°
    Wind
    18 mph30 km/h, gusts 44 mph70 km/h
    UV peak
    2

The outlook

  1. Today

    Dry, high 62°, low 40°.

  2. Tomorrow

    Dry, high 66°, low 42°, warming up.

  3. Monday

    Dry, high 69°, low 47°, warming up.

  4. Rest of week

    Mostly dry, highs 58–68°.

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

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Little Neck Bay at Kings Point (IN MLLW)

7.8 mi
Below flood stage
Level
3.4 ft

Forecast peak 9.4 ft Mon 11 AM

Reading from Sat 2:06 AM · NWS gauge page

Long Island Sound at Sands Point (IN MLLW)

5.3 mi
Below flood stage
Level
7.1 ft

Reading from Sat 1:42 AM · NWS gauge page

Long Island Sound at Rye (IN MLLW)

6.2 mi
Below flood stage
Level
4.3 ft

Reading from Sat 1:42 AM · NWS gauge page

Bronx River at Bronx Botanical Gardens

6.5 mi
Below flood stage
Level
0.7 ft
Flow
38 cfs

Reading from Sat 1:30 AM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 61% less heating than a typical week.

This week 26Typical 66

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F
17
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 4 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 30°F).

Open the windows?

Today, 2:00 PM–5:00 PM

Good stretch to open the windows.

Is this typical?

Laguardia Airport · official normals 1991–2020 · records 1939–2026

Oct 24, today vs a typical year

Today’s expected high is about typical for the date.

Normal high / low
63°17° / 50°10°
Forecast high / low
62°17° / 40°4°
Record high
80°27° in 2001
Record low
30°−1° in 1969

Last 7 days vs normal

On average 1°0° colder than normal (daily mean temperature).

  1. −7°−4°SunOct 18
  2. −2°−1°MonOct 19
  3. +4°+2°TueOct 20
  4. ±0°WedOct 21
  5. +2°+1°ThuOct 22
  6. —FriOct 23
  7. —SatOct 24

New Rochelle weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Sunrise 7:16 AM, sunset 6:01 PM.

Daylight
10 h 45 min
Losing 2 min 35 s a day; shortest Dec 21, 1 h 31 min less
Golden hour
5:23–6:18 PM
Morning 6:59–7:54 AM
Blue hour
6:18–6:29 PM
Morning 6:48–6:59 AM; first light 6:48 AM

Stars tonight? Fair

Mostly clear 3:41–6 AM, but the moon is 96% lit and up.

Moon

Waxing gibbous

96% lit · growing

Today
sets 5:27 AM · rises 4:58 PM
Full moon
Oct 26
New moon
Nov 9
Looking southeast from New Rochelle. Water in view.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.