Weather Alert
Mountainside Weather Warning NWS WEATHER ALERT FOR THE MOUNTAINSIDE, NJ AREA - Issued: 524 AM EDT Fri Sep 11 2026 Mountainside Weather Warning

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Mountainside, NJ Weather - Hour by Hour Forecast

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Mountainside, NJ Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Clear. Temperature is 57°F14°C, dew point 57°F14°C, humidity 100%. Wind direction is N at 0 mph0 km/h with visibility of 10 mi16 km. Barometric pressure is 30.06 in1017 mb.
Today - Mostly sunny. Near steady temperature in the lower 80s. Northwest winds around 5 mph... Full Forecast
Tonight - Mostly clear. Patchy fog after midnight. Lows in the upper 50s. North winds around 5 mph... Full Forecast

Mountainside Hourly Weather

24 Hour Forecast Scroll
Fri, Sep 11
10:00 pm
Fri, Sep 11
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Midnight
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Noon
Sat, Sep 12
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Mountainside, NJ Hourly Weather - Cloudy - 10:00 PM Mountainside, NJ Hourly Weather - Cloudy - 11:00 PM Mountainside, NJ Hourly Weather - Cloudy - 12:00 AM Mountainside, NJ Hourly Weather - Cloudy - 1:00 AM Mountainside, NJ Hourly Weather - Cloudy - 2:00 AM Mountainside, NJ Hourly Weather - Cloudy - 3:00 AM Mountainside, NJ Hourly Weather - Cloudy - 4:00 AM Mountainside, NJ Hourly Weather - Cloudy - 5:00 AM Mountainside, NJ Hourly Weather - Cloudy - 6:00 AM Mountainside, NJ Hourly Weather - Cloudy - 7:00 AM Mountainside, NJ Hourly Weather - Cloudy - 8:00 AM Mountainside, NJ Hourly Weather - Cloudy - 9:00 AM Mountainside, NJ Hourly Weather - Cloudy - 10:00 AM Mountainside, NJ Hourly Weather - Cloudy - 11:00 AM Mountainside, NJ Hourly Weather - Cloudy - 12:00 PM Mountainside, NJ Hourly Weather - Cloudy - 1:00 PM Mountainside, NJ Hourly Weather - Cloudy - 2:00 PM Mountainside, NJ Hourly Weather - Cloudy - 3:00 PM Mountainside, NJ Hourly Weather - Mostly Cloudy - 4:00 PM Mountainside, NJ Hourly Weather - Mostly Cloudy - 5:00 PM Mountainside, NJ Hourly Weather - Mostly Cloudy - 6:00 PM Mountainside, NJ Hourly Weather - Mostly Cloudy - 7:00 PM Mountainside, NJ Hourly Weather - Mostly Cloudy - 8:00 PM Mountainside, NJ Hourly Weather - Mostly Cloudy - 9:00 PM
Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy
68°F20°C 67°F19°C 67°F19°C 67°F19°C 67°F19°C 67°F19°C 68°F20°C 68°F20°C 68°F20°C 69°F21°C 69°F21°C 70°F21°C 71°F22°C 72°F22°C 74°F23°C 76°F24°C 78°F26°C 79°F26°C 79°F26°C 80°F27°C 78°F26°C 75°F24°C 73°F23°C 72°F22°C
Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain - - - - - - -
46% 46% 46% 46% 46% 97% 97% 97% 97% 97% 97% 66% 66% 66% 66% 66% 66% 3% 3% 3% 3% 3% 3% 12%
63°F17°C 63°F17°C 64°F18°C 65°F18°C 66°F19°C 67°F19°C 67°F19°C 68°F20°C 68°F20°C 69°F21°C 69°F21°C 70°F21°C 71°F22°C 72°F22°C 72°F22°C 72°F22°C 72°F22°C 72°F22°C 72°F22°C 72°F22°C 72°F22°C 72°F22°C 72°F22°C 71°F22°C
84% 87% 90% 93% 97% 100% 97% 100% 100% 100% 100% 100% 100% 100% 93% 87% 82% 79% 79% 77% 82% 90% 97% 97%
SSE SSE SE ESE E E ENE ENE ENE ENE E SSE SW NW NW NW NW NW NW NW NW NW NW SSE
2 mph 2 mph 2 mph 1 mph 1 mph 1 mph 1 mph 1 mph 1 mph 2 mph 2 mph 2 mph 3 mph 3 mph 3 mph 5 mph 5 mph 5 mph 4 mph 4 mph 4 mph 2 mph 2 mph 2 mph
10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 6 mi10 km 6 mi10 km 5 mi8 km 3 mi5 km 3 mi5 km .75 mi1 km 3 mi5 km 3 mi5 km 5 mi8 km 6 mi10 km 6 mi10 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km
Hour (EDT)
Weather
Clouds
Temperature
Precip. Type
POP
Dewpoint
Humidity
Wind Direction
Wind Speed
Visibility
POP = Probability of Precipitation. ** Indicates missing data/values from KMMU model statistics.

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Prob Precip % = Probability of Precipitation.

Mountainside 36 Hour Forecast

POP = Probability of Precipitation. ** Indicates missing data/values from model statistics.

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