Observed 7:50 AM EDT at KEWR

Mountainside, NJ weather

Sunny and 43°6°.

Forecasts agree

Now 43°6°

Sunny · Feels like 39°4°

Wind: 7 mph11 km/h; From the north-northeast. Up to 7 mph11 km/h through 8 PM
Dew point: 32°0°; Dry, static shocks likely
UV index: 0Low; Moderate 12–3 PM · peak 3
Air quality: 55Moderate; Main pollutant: PM2.5 (fine particles)
Pressure: 30.53 inHg1034 hPa; Rising slowly · +0.03 inHg+1.0 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Above 50°10° today by 11 AM
High 64°18° today at 3 PM
Below 50°10° tonight after 9 PM
Low 37°3° tonight at 5 AM

This morningUp to 55°13° by 11 AM · Partly cloudy
This afternoonUp to 64°18° by 3 PM · Clear
TonightDown to 37°3° by 5 AM · Clear
Tomorrow morningUp to 57°14° by 11 AM · Clear
Tomorrow afternoonUp to 65°18° by 4 PM · Clear
Tomorrow nightDown to 41°5° by 4 AM · Clear

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 8a	Sunny	38°3° (likely 33°1° to 41°5°)	38°3°	0%	3 mph5 km/h from N, gusts 7 mph12 km/h	85%	37%	0
Sat 9a	Sunny	43°6° (likely 39°4° to 45°7°)	43°6°	0%	2 mph3 km/h from N, gusts 6 mph10 km/h	76%	38%	0
Sat 10a	Sunny	49°9° (likely 49°9° to 50°10°)	49°9°	0%	2 mph3 km/h from N, gusts 5 mph8 km/h	61%	43%	1
Sat 11a	Sunny	55°13° (likely 54°12° to 55°13°)	55°13°	0%	1 mph2 km/h from N, gusts 3 mph5 km/h	49%	41%	2
Sat 12p	Sunny	59°15° (likely 56°13° to 59°15°)	59°15°	0%	1 mph2 km/h from NW, gusts 3 mph5 km/h	40%	33%	3
Sat 1p	Partly sunny	61°16° (likely 59°15° to 61°16°)	61°16°	0%	1 mph2 km/h from NW, gusts 3 mph4 km/h	38%	21%	3
Sat 2p	Partly sunny	63°17° (likely 60°16° to 63°17°)	63°17°	0%	0 mph0 km/h, gusts 3 mph5 km/h	34%	22%	3
Sat 3p	Mostly sunny	64°18° (likely 61°16° to 64°18°)	64°18°	0%	1 mph2 km/h from W, gusts 3 mph5 km/h	31%	21%	2
Sat 4p	Sunny	64°18° (likely 61°16° to 64°18°)	64°18°	0%	1 mph2 km/h from SW, gusts 3 mph5 km/h	31%	6%	1
Sat 5p	Sunny	63°17° (likely 60°16° to 63°17°)	63°17°	0%	1 mph2 km/h from SW, gusts 4 mph7 km/h	32%	2%	0
Sat 6p	Clear	59°15° (likely 55°13° to 59°15°)	59°15°	0%	1 mph2 km/h from SW, gusts 5 mph9 km/h	40%	0%	0
Sat 7p	Clear	54°12° (likely 52°11° to 54°12°)	54°12°	0%	0 mph0 km/h, gusts 5 mph9 km/h	50%	0%	0
Sat 8p	Clear	51°11° (likely 49°9° to 52°11°)	51°11°	0%	1 mph2 km/h from SW, gusts 5 mph8 km/h	59%	0%	0
Sat 9p	Clear	48°9° (likely 47°8° to 50°10°)	48°9°	0%	1 mph2 km/h from W, gusts 5 mph8 km/h	60%	0%	0
Sat 10p	Clear	46°8° (likely 44°7° to 48°9°)	46°8°	0%	1 mph2 km/h from W, gusts 5 mph8 km/h	63%	2%	0
Sat 11p	Clear	45°7° (likely 43°6° to 47°8°)	45°7°	0%	1 mph2 km/h from W, gusts 5 mph8 km/h	65%	6%	0
Sun 12a	Clear	43°6° (likely 42°6° to 47°8°)	43°6°	0%	1 mph2 km/h from W, gusts 6 mph9 km/h	70%	2%	0
Sun 1a	Clear	41°5° (likely 41°5° to 46°8°)	41°5°	0%	2 mph3 km/h from NW, gusts 7 mph12 km/h	76%	0%	0
Sun 2a	Clear	40°4° (likely 40°4° to 46°8°)	40°4°	0%	2 mph3 km/h from NW, gusts 8 mph13 km/h	79%	0%	0
Sun 3a	Clear	38°3° (likely 38°3° to 46°8°)	38°3°	0%	2 mph3 km/h from NW, gusts 7 mph12 km/h	85%	0%	0
Sun 4a	Clear	38°3° (likely 38°3° to 46°8°)	38°3°	0%	2 mph3 km/h from NW, gusts 8 mph12 km/h	85%	0%	0
Sun 5a	Clear	37°3° (likely 37°3° to 45°7°)	37°3°	0%	2 mph3 km/h from NW, gusts 8 mph12 km/h	89%	0%	0
Sun 6a	Clear	37°3° (likely 37°3° to 45°7°)	37°3°	0%	2 mph3 km/h from NW, gusts 7 mph11 km/h	89%	0%	0
Sun 7a	Sunny	37°3° (likely 36°2° to 43°6°)	37°3°	0%	2 mph3 km/h from NW, gusts 7 mph11 km/h	85%	0%	0
Sun 8a	Sunny	39°4° (likely 36°2° to 43°6°)	39°4°	0%	2 mph3 km/h from NW, gusts 7 mph11 km/h	82%	0%	0
Sun 9a	Sunny	44°7° (likely 40°4° to 49°9°)	44°7°	0%	2 mph3 km/h from NW, gusts 6 mph10 km/h	76%	0%	1
Sun 10a	Sunny	51°11° (likely 49°9° to 53°12°)	51°11°	0%	0 mph0 km/h, gusts 6 mph10 km/h	61%	0%	2
Sun 11a	Sunny	57°14° (likely 56°13° to 58°14°)	57°14°	0%	0 mph0 km/h, gusts 5 mph7 km/h	51%	0%	3
Sun 12p	Sunny	60°16° (likely 60°16° to 62°17°)	60°16°	0%	1 mph2 km/h from W, gusts 5 mph8 km/h	44%	0%	4
Sun 1p	Sunny	63°17° (likely 63°17° to 64°18°)	63°17°	0%	1 mph2 km/h from W, gusts 5 mph8 km/h	36%	0%	4
Sun 2p	Sunny	63°17° (likely 63°17° to 65°18°)	63°17°	0%	2 mph3 km/h from W, gusts 5 mph8 km/h	35%	0%	4
Sun 3p	Sunny	64°18° (likely 64°18° to 66°19°)	64°18°	0%	2 mph3 km/h from W, gusts 5 mph9 km/h	34%	0%	3
Sun 4p	Sunny	65°18° (likely 63°17° to 65°18°)	65°18°	0%	3 mph5 km/h from W, gusts 6 mph10 km/h	33%	0%	2
Sun 5p	Sunny	63°17° (likely 62°17° to 63°17°)	63°17°	0%	2 mph3 km/h from SW, gusts 7 mph11 km/h	35%	0%	1
Sun 6p	Clear	60°16° (likely 56°13° to 60°16°)	60°16°	0%	2 mph3 km/h from SW, gusts 6 mph9 km/h	41%	0%	0
Sun 7p	Clear	57°14° (likely 52°11° to 57°14°)	57°14°	0%	2 mph3 km/h from SW, gusts 6 mph10 km/h	49%	0%	0
Sun 8p	Clear	52°11° (likely 49°9° to 54°12°)	52°11°	0%	2 mph3 km/h from W, gusts 7 mph11 km/h	61%	0%	0
Sun 9p	Clear	50°10° (likely 47°8° to 52°11°)	50°10°	0%	2 mph3 km/h from W, gusts 7 mph11 km/h	66%	0%	0
Sun 10p	Clear	48°9° (likely 46°8° to 50°10°)	48°9°	0%	2 mph3 km/h from W, gusts 6 mph10 km/h	71%	0%	0
Sun 11p	Clear	46°8° (likely 44°7° to 49°9°)	46°8°	0%	2 mph3 km/h from W, gusts 7 mph11 km/h	76%	0%	0
Mon 12a	Clear	45°7° (likely 41°5° to 48°9°)	45°7°	0%	2 mph3 km/h from W, gusts 7 mph11 km/h	79%	0%	0
Mon 1a	Clear	44°7° (likely 39°4° to 48°9°)	44°7°	0%	3 mph5 km/h from W, gusts 8 mph13 km/h	79%	0%	0
Mon 2a	Clear	43°6° (likely 39°4° to 48°9°)	43°6°	0%	3 mph5 km/h from W, gusts 9 mph14 km/h	82%	0%	0
Mon 3a	Clear	42°6° (likely 38°3° to 50°10°)	42°6°	0%	3 mph5 km/h from W, gusts 8 mph13 km/h	86%	0%	0
Mon 4a	Clear	41°5° (likely 37°3° to 49°9°)	41°5°	0%	3 mph5 km/h from W, gusts 8 mph12 km/h	85%	1%	0
Mon 5a	Clear	41°5° (likely 35°2° to 48°9°)	41°5°	0%	3 mph5 km/h from W, gusts 8 mph13 km/h	85%	2%	0
Mon 6a	Clear	40°4° (likely 35°2° to 48°9°)	40°4°	0%	3 mph5 km/h from W, gusts 7 mph11 km/h	89%	2%	0
Mon 7a	Sunny	40°4° (likely 34°1° to 47°8°)	37°3°	0%	5 mph8 km/h from W, gusts 7 mph11 km/h	89%	11%	0

Days ahead

Shaded: typical range for these dates (1991–2020)

Today, Oct 24. Partly sunny. High 64°18°, low 36°2°. Typical 63°17° / 46°8°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 38°3°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 51°11°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 37°3°
  Dry
Official NWS forecast
Today: Areas of frost before 9am. Mostly sunny, with a high near 64. Northwest wind 0 to 3 mph.
Tonight: Areas of frost after 1am. Clear, with a low around 36. West wind around 2 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
61°16°–64°18°
Low, likely
32°0°–40°4°
Typical high / low
63°17° / 46°8°
Wind
7 mph10 km/h
UV peak
4
Tomorrow, Oct 25. Sunny. High 65°18°, low 38°3°. Typical 63°17° / 46°8°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 39°4°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 52°11°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 41°5°
  Dry
Official NWS forecast
Day: Areas of frost before 9am. Sunny. High near 65, with temperatures falling to around 63 in the afternoon. Northwest wind 0 to 3 mph.
Night: Clear. Low around 38, with temperatures rising to around 41 overnight. West wind around 3 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
64°18°–66°19°
Low, likely
36°2°–43°6°
Typical high / low
63°17° / 46°8°
Wind
7 mph12 km/h
UV peak
4
Monday, Oct 26. Sunny. High 68°20°, low 47°8°. Typical 62°17° / 45°7°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 42°5°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 69°20°
  Dry
3. Evening
  6 PM–midnight
  Clear, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 51°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Patchy frost before 8am. Sunny, with a high near 68. West wind around 6 mph.
Night: Clear. Low around 47, with temperatures rising to around 49 overnight.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
68°20°–70°21°
Low, likely
35°2°–47°8°
Typical high / low
62°17° / 45°7°
Wind
8 mph13 km/h, gusts 22 mph35 km/h
UV peak
4
Tuesday, Oct 27. Mostly sunny. High 60°16°, low 39°4°. Typical 62°17° / 45°7°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 60°15°
  Dry
3. Evening
  6 PM–midnight
  Clear, 50°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 60.
Night: Mostly clear, with a low around 39.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
57°14°–63°17°
Low, likely
39°4°–49°9°
Typical high / low
62°17° / 45°7°
Wind
8 mph13 km/h, gusts 26 mph41 km/h
UV peak
4
Wednesday, Oct 28. Partly sunny. High 59°15°, low 46°8°. Typical 62°17° / 45°7°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 39°4°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 59°15°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 52°11°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 45°7°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 59.
Night: Mostly cloudy, with a low around 46.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
57°14°–61°16°
Low, likely
34°1°–46°8°
Typical high / low
62°17° / 45°7°
Wind
7 mph11 km/h, gusts 15 mph23 km/h
UV peak
3
Thursday, Oct 29. Partly sunny. High 66°19°, low 49°9°. Typical 61°16° / 44°7°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 44°7°
  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, 48°9°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 66.
Night: Partly cloudy, with a low around 49.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
64°18°–67°19°
Low, likely
41°5°–49°9°
Typical high / low
61°16° / 44°7°
Wind
8 mph13 km/h, gusts 31 mph50 km/h
UV peak
4
Friday, Oct 30. Partly sunny. High 68°20°, low 47°8°. Typical 61°16° / 44°7°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 71°22°
  Dry
3. Evening
  6 PM–midnight
  Clear, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 48°9°
  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
68°20°–73°23°
Low, likely
43°6°–51°11°
Typical high / low
61°16° / 44°7°
Wind
10 mph16 km/h, gusts 24 mph38 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 68°20°, low 48°9°. Typical 60°16° / 44°7°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 58°14°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 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°–74°23°
Low, likely
42°6°–53°12°
Typical high / low
60°16° / 44°7°
Wind
11 mph17 km/h, gusts 25 mph41 km/h
UV peak
4
Sunday, Nov 1. Cloudy. High 66°19°, low 49°9°. Typical 60°16° / 43°6°. Rain 0.01 in0.3 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 58°14°
  20% chance
4. Overnight
  midnight–6 AM
  Mostly clear, 54°12°
  30% chance · 0.02 in0.4 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°–71°22°
Low, likely
44°7°–53°12°
Typical high / low
60°16° / 43°6°
Wind
8 mph12 km/h, gusts 23 mph36 km/h
UV peak
4
Monday, Nov 2. Cloudy. High 64°18°, low 54°12°. Typical 60°16° / 43°6°. Rain 0.07 in1.8 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 55°13°
  30% chance · 0.01 in0.3 mm
2. Afternoon
  noon–6 PM
  Cloudy, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 58°14°
  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
52°11°–70°21°
Low, likely
46°8°–58°14°
Typical high / low
60°16° / 43°6°
Wind
8 mph13 km/h, gusts 17 mph28 km/h
UV peak
2

10 days15 days30 days

The outlook

Today
Dry, high 64°, low 36°.
Tomorrow
Dry, high 65°, low 38°.
Monday
Dry, high 68°, low 47°, warming up.
Rest of week
Mostly dry, highs 59–68°.

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

Passaic River at Chatham

3.5 mi

Below flood stage

Level: 3.6 ft
Flow: 59 cfs

Forecast peak 3.6 ft Sat 8 AM

Reading from Sat 6:15 AM · NWS gauge page

Passaic River near Millington

8.8 mi

Below flood stage

Level: 4.8 ft
Flow: 34 cfs

Forecast peak 4.8 ft Sat 8 AM

Reading from Sat 6:30 AM · NWS gauge page

Green Brook at Seeley Mills

2.5 mi

Below flood stage

Level: 1.8 ft

Reading from Sat 5:55 AM · NWS gauge page

Rahway River at Springfield

2.5 mi

Below flood stage

Level: 1.4 ft
Flow: 26 cfs

Reading from Sat 6:30 AM · NWS gauge page

For your home

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

Heating this week

About 64% 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: 22
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 11 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 32°F).

Open the windows?

Today, 1:00 PM–5:00 PM

Good stretch to open the windows.

Is this typical?

Newark Liberty International Airport · official normals 1991–2020 · records 1843–2026

Oct 24, today vs a typical year

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

Last 7 days vs normal

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

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

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

Sun & moon

Sun

Daylight: 10 h 45 min; Losing 2 min 30 s a day; shortest Dec 21, 1 h 30 min less
Golden hour: 5:26–6:21 PM; Morning 7:01–7:56 AM
Blue hour: 6:21–6:31 PM; Morning 6:50–7:01 AM; first light 6:50 AM

Stars tonight? Fair

Clear 6:31 PM–6:51 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

96% lit · growing

Today: sets 5:29 AM · rises 5:00 PM
Full moon: Oct 26
New moon: Nov 9

Looking northwest from Mountainside.Skyline from USGS elevation data, heights drawn up to 5× taller. Sky, sun and moon as they are now.

Mountainside, NJ weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Passaic River at Chatham

Passaic River near Millington

Green Brook at Seeley Mills

Rahway River at Springfield

For your home

Heating this week

Heat-pump hours, next 7 days

Comfort

Open the windows?

Is this typical?

Oct 24, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Fair

Moon