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Observed 11:30 AM EDT at KTTN

Heathcote, NJ weather

Sunny and 55°13°, jacket by 7 PM.

Today: low 34°1° (likely 34°1° to 37°3°), high 64°18° (likely 60°16° to 64°18°).

Forecasts agree

Now 55°13°

Sunny

Wind
Calm
Light through 11 PM
Dew point
36°2°
Comfortable
UV index
4Moderate
Moderate until 4 PM
Air quality
43Good
PM2.5 (fine particles) · tomorrow moderate
Pressure
30.57 inHg1035 hPa
Steady over the last 3 h

Next 2 hours

No precipitation expected in the next 2 hours.

Next 48 hours

3°2° cooler than this time yesterday (56°13° then, 53°12° now)

Good hours for
  • High 63°17° today at 4 PM
  • Below 50°10° tonight after 8 PM
  • Low 35°2° tomorrow at 6 AM
  • Above 50°10° tomorrow by 10 AM
  1. This afternoonUp to 63°17° by 4 PM · Partly cloudy
  2. TonightDown to 36°2° by 4 AM · Clear
  3. Tomorrow morningUp to 57°14° by 11 AM · Clear
  4. Tomorrow afternoonUp to 66°19° by 4 PM · Clear
  5. Tomorrow nightDown to 38°3° by 5 AM · Clear
  6. Monday morningUp to 51°11° by 10 AM · Clear
Hourly forecast, next 48 hours, in the place's local time
HourConditionsTemperatureFeels likePrecipitationWindHumidityCloud coverUV index
Sat 11aPartly sunny52°11° (likely 52°11° to 54°12°)52°11°0%0 mph0 km/h, gusts 5 mph8 km/h56%37%3
Sat 12pMostly sunny56°13° (likely 55°13° to 58°14°)56°13°0%0 mph0 km/h, gusts 4 mph6 km/h47%38%4
Sat 1pCloudy59°15° (likely 58°14° to 60°16°)59°15°0%0 mph0 km/h, gusts 3 mph5 km/h40%58%4
Sat 2pMostly sunny61°16° (likely 59°15° to 61°16°)61°16°0%0 mph0 km/h, gusts 3 mph5 km/h36%31%4
Sat 3pPartly sunny62°17° (likely 60°16° to 62°17°)62°17°0%0 mph0 km/h, gusts 3 mph4 km/h35%35%3
Sat 4pSunny63°17° (likely 60°16° to 63°17°)63°17°0%0 mph0 km/h, gusts 3 mph4 km/h32%5%2
Sat 5pSunny61°16° (likely 59°15° to 61°16°)61°16°0%0 mph0 km/h, gusts 3 mph4 km/h36%1%1
Sat 6pClear58°14° (likely 55°13° to 58°14°)58°14°0%0 mph0 km/h, gusts 2 mph4 km/h44%0%0
Sat 7pClear53°12° (likely 51°11° to 53°12°)53°12°0%0 mph0 km/h, gusts 2 mph3 km/h54%0%0
Sat 8pClear48°9° (likely 47°8° to 50°10°)48°9°0%0 mph0 km/h, gusts 2 mph3 km/h65%0%0
Sat 9pClear46°8° (likely 45°7° to 49°9°)46°8°0%0 mph0 km/h, gusts 2 mph4 km/h65%1%0
Sat 10pClear44°7° (likely 43°6° to 48°9°)44°7°0%0 mph0 km/h, gusts 1 mph2 km/h70%4%0
Sat 11pClear42°6° (likely 42°6° to 47°8°)42°6°0%0 mph0 km/h, gusts 3 mph4 km/h73%0%0
Sun 12aClear40°4° (likely 40°4° to 43°6°)40°4°0%0 mph0 km/h, gusts 3 mph4 km/h79%2%0
Sun 1aClear39°4° (likely 39°4° to 43°6°)39°4°0%0 mph0 km/h, gusts 3 mph6 km/h79%0%0
Sun 2aClear39°4° (likely 38°3° to 43°6°)39°4°0%0 mph0 km/h, gusts 4 mph6 km/h79%0%0
Sun 3aClear37°3° (likely 37°3° to 43°6°)37°3°0%0 mph0 km/h, gusts 4 mph6 km/h85%1%0
Sun 4aClear36°2° (likely 36°2° to 43°6°)36°2°0%0 mph0 km/h, gusts 4 mph6 km/h85%0%0
Sun 5aClear36°2° (likely 35°2° to 41°5°)36°2°0%0 mph0 km/h, gusts 4 mph6 km/h85%0%0
Sun 6aClear35°2° (likely 34°1° to 40°4°)35°2°0%0 mph0 km/h, gusts 5 mph9 km/h89%0%0
Sun 7aSunny35°2° (likely 34°1° to 40°4°)35°2°0%0 mph0 km/h, gusts 6 mph9 km/h89%0%0
Sun 8aSunny36°2° (likely 35°2° to 40°4°)36°2°0%0 mph0 km/h, gusts 5 mph7 km/h89%0%0
Sun 9aSunny42°6° (likely 40°4° to 44°7°)42°6°0%0 mph0 km/h, gusts 5 mph7 km/h79%0%1
Sun 10aSunny51°11° (likely 50°10° to 51°11°)51°11°0%0 mph0 km/h, gusts 5 mph8 km/h61%0%2
Sun 11aSunny57°14° (likely 56°13° to 58°14°)57°14°0%0 mph0 km/h, gusts 5 mph9 km/h49%0%3
Sun 12pSunny60°16° (likely 59°15° to 62°17°)60°16°0%0 mph0 km/h, gusts 8 mph13 km/h42%1%4
Sun 1pSunny64°18° (likely 61°16° to 64°18°)64°18°0%0 mph0 km/h, gusts 8 mph13 km/h35%0%4
Sun 2pSunny65°18° (likely 62°17° to 65°18°)65°18°0%0 mph0 km/h, gusts 8 mph13 km/h33%0%4
Sun 3pSunny65°18° (likely 63°17° to 66°19°)65°18°0%0 mph0 km/h, gusts 7 mph12 km/h33%0%3
Sun 4pSunny66°19° (likely 63°17° to 66°19°)66°19°0%0 mph0 km/h, gusts 7 mph11 km/h32%0%2
Sun 5pSunny65°18° (likely 61°16° to 65°18°)65°18°0%0 mph0 km/h, gusts 7 mph11 km/h35%0%1
Sun 6pClear60°16° (likely 56°13° to 60°16°)60°16°0%0 mph0 km/h, gusts 5 mph9 km/h44%0%0
Sun 7pClear56°13° (likely 52°11° to 56°13°)56°13°0%0 mph0 km/h, gusts 4 mph7 km/h53%0%0
Sun 8pClear49°9° (likely 49°9° to 52°11°)49°9°0%0 mph0 km/h, gusts 6 mph10 km/h68%0%0
Sun 9pClear47°8° (likely 46°8° to 50°10°)47°8°0%0 mph0 km/h, gusts 7 mph11 km/h71%0%0
Sun 10pClear45°7° (likely 44°7° to 48°9°)45°7°0%0 mph0 km/h, gusts 6 mph10 km/h73%0%0
Sun 11pClear43°6° (likely 43°6° to 47°8°)43°6°0%0 mph0 km/h, gusts 6 mph10 km/h79%0%0
Mon 12aClear42°6° (likely 42°6° to 45°7°)42°6°0%0 mph0 km/h, gusts 7 mph11 km/h82%1%0
Mon 1aClear41°5° (likely 40°4° to 44°7°)41°5°0%0 mph0 km/h, gusts 8 mph12 km/h82%1%0
Mon 2aClear40°4° (likely 38°3° to 44°7°)40°4°0%0 mph0 km/h, gusts 6 mph10 km/h85%3%0
Mon 3aClear39°4° (likely 38°3° to 42°6°)39°4°0%0 mph0 km/h, gusts 6 mph10 km/h89%1%0
Mon 4aClear39°4° (likely 36°2° to 42°6°)39°4°0%0 mph0 km/h, gusts 6 mph10 km/h89%1%0
Mon 5aClear38°3° (likely 36°2° to 42°6°)38°3°0%0 mph0 km/h, gusts 7 mph11 km/h92%3%0
Mon 6aClear37°3° (likely 33°1° to 42°6°)37°3°0%0 mph0 km/h, gusts 8 mph12 km/h92%2%0
Mon 7aSunny37°3° (likely 33°1° to 41°5°)37°3°0%0 mph0 km/h, gusts 7 mph11 km/h92%13%0
Mon 8aSunny38°3° (likely 34°1° to 43°6°)38°3°0%0 mph0 km/h, gusts 7 mph11 km/h100%14%0
Mon 9aSunny44°7° (likely 41°5° to 50°10°)44°7°0%0 mph0 km/h, gusts 7 mph11 km/h89%3%1
Mon 10aSunny51°11° (likely 50°10° to 55°13°)51°11°0%5 mph8 km/h from W, gusts 10 mph16 km/h77%11%2

Days ahead

Shaded: typical range for these dates (1991–2020)
  1. Today, Oct 24. Cloudy. High 64°18°, low 34°1°. Typical 63°17° / 41°5°. Dry. Forecasts agree.
    1. Afternoon

      noon–6 PM

      Partly sunny, 63°17°

      Dry

    2. Evening

      6 PM–midnight

      Clear, 48°9°

      Dry

    3. Overnight

      midnight–6 AM

      Clear, 36°2°

      Dry

    Official NWS forecast

    Today: Sunny, with a high near 64. North wind around 0 mph.

    Tonight: Areas of frost after 10pm. Clear, with a low around 34. Northwest wind around 0 mph.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    60°16°–64°18°
    Low, likely
    34°1°–37°3°
    Typical high / low
    63°17° / 41°5°
    Wind
    6 mph9 km/h
    UV peak
    4
  2. Tomorrow, Oct 25. Sunny. High 67°19°, low 36°2°. Typical 63°17° / 41°5°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 36°2°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 66°19°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 49°9°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 38°3°

      Dry

    Official NWS forecast

    Day: Areas of frost before 9am. Sunny, with a high near 67. West wind around 0 mph.

    Night: Clear, with a low around 36. West wind around 0 mph.

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

    High, likely
    63°17°–67°19°
    Low, likely
    34°1°–40°4°
    Typical high / low
    63°17° / 41°5°
    Wind
    7 mph11 km/h
    UV peak
    4
  3. Monday, Oct 26. Sunny. High 70°21°, low 46°8°. Typical 63°17° / 40°4°. Dry. Forecasts agree.
    1. Morning

      6 AM–noon

      Sunny, 38°3°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 67°20°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 54°12°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 50°10°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Sunny, with a high near 70. West wind 0 to 5 mph.

    Night: Clear, with a low around 46.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    67°19°–70°21°
    Low, likely
    33°1°–46°8°
    Typical high / low
    63°17° / 40°4°
    Wind
    9 mph15 km/h, gusts 17 mph28 km/h
    UV peak
    4
  4. Tuesday, Oct 27. Mostly sunny. High 62°17°, low 38°3°. Typical 62°17° / 40°4°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 47°8°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 61°16°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 49°10°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 40°4°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Sunny, with a high near 62.

    Night: Mostly clear, with a low around 38.

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

    High, likely
    58°14°–64°18°
    Low, likely
    38°3°–49°9°
    Typical high / low
    62°17° / 40°4°
    Wind
    8 mph14 km/h, gusts 25 mph40 km/h
    UV peak
    4
  5. Wednesday, Oct 28. Partly sunny. High 62°17°, low 42°6°. Typical 62°17° / 40°4°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Sunny, 39°4°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 60°15°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 51°10°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 43°6°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 62.

    Night: Mostly cloudy, with a low around 42.

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

    High, likely
    57°14°–62°17°
    Low, likely
    34°1°–43°6°
    Typical high / low
    62°17° / 40°4°
    Wind
    8 mph12 km/h, gusts 13 mph20 km/h
    UV peak
    3
  6. Thursday, Oct 29. Partly sunny. High 68°20°, low 47°8°. Typical 62°17° / 40°4°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 43°6°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 66°19°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 55°13°

      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 68.

    Night: Mostly clear, with a low around 47.

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

    High, likely
    64°18°–68°20°
    Low, likely
    40°4°–47°8°
    Typical high / low
    62°17° / 40°4°
    Wind
    8 mph13 km/h, gusts 31 mph49 km/h
    UV peak
    4
  7. Friday, Oct 30. Mostly sunny. High 71°22°, low 46°8°. Typical 61°16° / 39°4°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 47°8°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 72°22°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 58°15°

      Dry

    4. 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 71.

    Night: Mostly clear, with a low around 46.

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

    High, likely
    70°21°–73°23°
    Low, likely
    43°6°–49°9°
    Typical high / low
    61°16° / 39°4°
    Wind
    12 mph19 km/h, gusts 23 mph37 km/h
    UV peak
    4
  8. Saturday, Oct 31. Cloudy. High 68°20°, low 48°9°. Typical 61°16° / 39°4°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Sunny, 48°9°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 68°20°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 57°14°

      Dry

    4. Overnight

      midnight–6 AM

      Mostly clear, 49°9°

      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°–73°23°
    Low, likely
    42°6°–53°12°
    Typical high / low
    61°16° / 39°4°
    Wind
    12 mph19 km/h, gusts 26 mph42 km/h
    UV peak
    3
  9. Sunday, Nov 1. Cloudy. High 66°19°, low 49°9°. Typical 61°16° / 39°4°. Rain, 20% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Mostly sunny, 49°9°

      Dry

    2. Afternoon

      noon–6 PM

      Partly sunny, 65°18°

      Dry

    3. Evening

      6 PM–midnight

      Partly cloudy, 57°14°

      20% chance

    4. Overnight

      midnight–6 AM

      Partly cloudy, 54°12°

      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
    55°13°–71°22°
    Low, likely
    45°7°–53°12°
    Typical high / low
    61°16° / 39°4°
    Wind
    10 mph16 km/h, gusts 22 mph35 km/h
    UV peak
    4
  10. Monday, Nov 2. Cloudy. High 66°19°, low 55°13°. Typical 60°16° / 38°3°. Rain 0.08 in2 mm, 30% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 56°14°

      30% chance

    2. Afternoon

      noon–6 PM

      Cloudy, 67°19°

      20% chance

    3. Evening

      6 PM–midnight

      Cloudy, 59°15°

      20% 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
    54°12°–73°23°
    Low, likely
    47°8°–59°15°
    Typical high / low
    60°16° / 38°3°
    Wind
    11 mph18 km/h, gusts 17 mph28 km/h
    UV peak
    2

The outlook

  1. Today

    Dry, high 64°, low 34°.

  2. Tomorrow

    Dry, high 67°, low 36°, warming up.

  3. Monday

    Dry, high 70°, low 46°, warming up.

  4. Rest of week

    Mostly dry, highs 62–71°.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (PHI) (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

Millstone River at Blackwells Mills

5.8 mi
Below flood stage
Level
1.9 ft
Flow
157 cfs

Forecast peak 1.9 ft Sat 2 PM

Reading from Sat 10:15 AM · NWS gauge page

Raritan River at Bound Brook

11 mi
Below flood stage
Level
16.9 ft
Flow
251 cfs

Forecast peak 17.0 ft Sat 8 PM

Reading from Sat 10:15 AM · NWS gauge page

Raritan River at Manville

11 mi
Below flood stage
Level
4.3 ft
Flow
377 cfs

Forecast peak 4.2 ft Sat 2 PM

Reading from Sat 10:15 AM · NWS gauge page

Millstone River at Griggstown

4.0 mi
Below flood stage
Level
3.4 ft

Reading from Sat 9:45 AM · NWS gauge page

For your home

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

Heating this week

About 66% less heating than a typical week.

This week 33Typical 97

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F
26
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 15 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 36°F).

Open the windows?

Today, 2:00 PM–5:00 PM

Good stretch to open the windows.

Is this typical?

New Brunswick 3 SE · official normals 1991–2020 · records 1893–2026

Oct 24, today vs a typical year

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

Normal high / low
63°17° / 41°5°
Forecast high / low
64°18° / 34°1°
Record high
81°27° in 1900
Record low
25°−4° in 1969

Last 7 days vs normal

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

  1. −10°−6°SunOct 18
  2. −5°−3°MonOct 19
  3. +2°+1°TueOct 20
  4. +5°+3°WedOct 21
  5. ±0°ThuOct 22
  6. +4°+2°FriOct 23
  7. −4°−2°SatOct 24

Heathcote weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Sunrise 7:19 AM, sunset 6:05 PM.

Daylight
10 h 46 min
Losing 2 min 25 s a day; shortest Dec 21, 1 h 29 min less
Golden hour
5:27–6:22 PM
Morning 7:01–7:56 AM
Blue hour
6:22–6:33 PM
Morning 6:51–7:01 AM; first light 6:51 AM

Stars tonight? Fair

Clear 6:33 PM–6:52 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

97% lit · growing

Today
sets 5:30 AM · rises 5:01 PM
Full moon
Oct 26
New moon
Nov 9
Looking west from Heathcote. The highest point on the skyline is about 3,000 ft, 50 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.