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Grumman NY Weather - Clear - 62°F
Clear
62°F
Updated 9:17 am
Feels Like 55°F
Humidity 67%
Wind NNE 6 mph
Barometer  30.4 in
Dew Point 51°F
Grumman NY Weather - Clear - 17°C
Clear
17°C
Updated 9:17 am
Feels Like 13°C
Humidity 67%
Wind NNE 10 km/h
Barometer  102.9 kPa
Dew Point 11°C
Grumman, NY Weather and Current Conditionsgrumman ny weather forecast

Grumman, NY Weather Forecast

Grumman New York WeatherGrumman, New York Weather Weather Forecast
14 Day API Grumman, NY Weather Forecast. Note: Our 7 day Grumman, New York weather forecast is our most reliable, and specific forecast. This model should only be used as a probable scenario. Forecasting more than 7 days ahead is challenging.
Grumman, NY Weather Forecast Dated: 917 AM Tue Sep 15 2026
Expect a mild stretch with more clouds than sun and occasional showers over the coming period. generally humid conditions and a stable pattern will dominate.

Tuesday, September 15, 2026

Mid-Morning
Grumman Weather - 2026-09-15 - Morning - Sunny
61°F 16°C
Sunny
Mid-Afternoon
Grumman Weather - 2026-09-15 - Afternoon - Sunny
66°F 19°C
Sunny
Early-Evening
Grumman Weather - 2026-09-15 - Evening - Cloudy
64°F 18°C
Cloudy
Refreshing around 66°F 19°C, sunny through the afternoon, turning cloudy this evening, with steady humidity and steady pressure. Winds turning from the ENE to the SSE at 8 mph 13 km/h.

Wednesday, September 16, 2026

Mid-Morning
Grumman Weather - 2026-09-16 - Morning - Sunny
65°F 18°C
Sunny
Mid-Afternoon
Grumman Weather - 2026-09-16 - Afternoon - Overcast
72°F 22°C
Overcast
Early-Evening
Grumman Weather - 2026-09-16 - Evening - Overcast
69°F 20°C
Overcast
Comfortable with temperatures reaching 72°F 22°C, sunny in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure. Winds blowing from the SE at 2 mph 3 km/h.

Thursday, September 17, 2026

Mid-Morning
Grumman Weather - 2026-09-17 - Morning - Sunny
71°F 21°C
Sunny
Mid-Afternoon
Grumman Weather - 2026-09-17 - Afternoon - Sunny
76°F 25°C
Sunny
Early-Evening
Grumman Weather - 2026-09-17 - Evening - Partly Cloudy
72°F 22°C
Partly Cloudy
Enjoyable around 76°F 25°C, sunny through the afternoon, turning cloudy this evening, with steady humidity and barometric pressure falling. Winds increasing from the SW at 6 mph 10 km/h to SSW at 15 mph 25 km/h. Gusts up to 24 mph 37 km/h.

Friday, September 18, 2026

Mid-Morning
Grumman Weather - 2026-09-18 - Morning - Sunny
69°F 21°C
Sunny
Mid-Afternoon
Grumman Weather - 2026-09-18 - Afternoon - Sunny
73°F 23°C
Sunny
Early-Evening
Grumman Weather - 2026-09-18 - Evening - Overcast
71°F 22°C
Overcast
Mild temperatures up to 73°F 23°C, sunny through the afternoon, turning cloudy this evening, with lower humidity and steady pressure. Winds out of the ESE at 6 mph 10 km/h.

Saturday, September 19, 2026

Mid-Morning
Grumman Weather - 2026-09-19 - Morning - Partly Cloudy
65°F 18°C
Partly Cloudy
Mid-Afternoon
Grumman Weather - 2026-09-19 - Afternoon - Partly Cloudy
72°F 22°C
Partly Cloudy
Early-Evening
Grumman Weather - 2026-09-19 - Evening - Overcast
71°F 22°C
Overcast
Mild with a high of 72°F 22°C, cloudy in the morning, sunny in the afternoon, and cloudy this evening, with steady humidity and barometric pressure falling. Winds shifting from the ENE to the S at 15 mph 24 km/h. Gusts up to 20 mph 33 km/h.

Sunday, September 20, 2026

Mid-Morning
Grumman Weather - 2026-09-20 - Morning - Light Showers
72°F 22°C
Light Showers
Mid-Afternoon
Grumman Weather - 2026-09-20 - Afternoon - Scattered Showers
78°F 26°C
Scattered Showers
Early-Evening
Grumman Weather - 2026-09-20 - Evening - Sunny
73°F 23°C
Sunny
Pleasant near 78°F 26°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds WNW at 12 mph 19 km/h.

Monday, September 21, 2026

Mid-Morning
Grumman Weather - 2026-09-21 - Morning - Overcast
67°F 19°C
Overcast
Mid-Afternoon
Grumman Weather - 2026-09-21 - Afternoon - Scattered Showers
67°F 19°C
Scattered Showers
Early-Evening
Grumman Weather - 2026-09-21 - Evening - Light Showers
65°F 19°C
Light Showers
Comfortable at 67°F 19°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds out of the ENE at 11 mph 18 km/h.

Tuesday, September 22, 2026

Mid-Morning
Grumman Weather - 2026-09-22 - Morning - Scattered Showers
64°F 18°C
Scattered Showers
Mid-Afternoon
Grumman Weather - 2026-09-22 - Afternoon - Scattered Showers
64°F 18°C
Scattered Showers
Early-Evening
Grumman Weather - 2026-09-22 - Evening - Scattered Showers
65°F 18°C
Scattered Showers
Cool with a high near 64°F 18°C, scattered downpours possible, with steady humidity and steady pressure. Winds moving from the E to the ESE at 19 mph 31 km/h. Gusts up to 24 mph 39 km/h.

Wednesday, September 23, 2026

Mid-Morning
Grumman Weather - 2026-09-23 - Morning - Overcast
69°F 20°C
Overcast
Mid-Afternoon
Grumman Weather - 2026-09-23 - Afternoon - Overcast
67°F 19°C
Overcast
Early-Evening
Grumman Weather - 2026-09-23 - Evening - Overcast
66°F 20°C
Overcast
Refreshing around 67°F 19°C, overcast throughout the day, with steady humidity and steady pressure. Winds swinging from the S to the NNE at 9 mph 14 km/h.

Thursday, September 24, 2026

Mid-Morning
Grumman Weather - 2026-09-24 - Morning - Light Showers
65°F 18°C
Light Showers
Mid-Afternoon
Grumman Weather - 2026-09-24 - Afternoon - Light Showers
63°F 17°C
Light Showers
Early-Evening
Grumman Weather - 2026-09-24 - Evening - Light Showers
64°F 18°C
Light Showers
Mildly cool near 63°F 17°C, rounds of showers expected off and on all day, with steady humidity and steady pressure. Winds out of the NE at 10 mph 15 km/h.

Friday, September 25, 2026

Mid-Morning
Grumman Weather - 2026-09-25 - Morning - Overcast
68°F 20°C
Overcast
Mid-Afternoon
Grumman Weather - 2026-09-25 - Afternoon - Sunny
73°F 23°C
Sunny
Early-Evening
Grumman Weather - 2026-09-25 - Evening - Overcast
67°F 20°C
Overcast
Pleasant near 73°F 23°C, overcast in the morning, becoming cloudy through the afternoon and evening, with lower humidity and barometric pressure rising. Winds turning from the WSW to the NW at 14 mph 21 km/h.

Saturday, September 26, 2026

Mid-Morning
Grumman Weather - 2026-09-26 - Morning - Overcast
61°F 16°C
Overcast
Mid-Afternoon
Grumman Weather - 2026-09-26 - Afternoon - Overcast
64°F 18°C
Overcast
Early-Evening
Grumman Weather - 2026-09-26 - Evening - Overcast
64°F 18°C
Overcast
Cool with a high near 64°F 18°C, overcast throughout the day, with steady humidity and steady pressure.

Sunday, September 27, 2026

Mid-Morning
Grumman Weather - 2026-09-27 - Morning - Overcast
60°F 15°C
Overcast
Mid-Afternoon
Grumman Weather - 2026-09-27 - Afternoon - Overcast
67°F 19°C
Overcast
Early-Evening
Grumman Weather - 2026-09-27 - Evening - Overcast
65°F 18°C
Overcast
Refreshing around 67°F 19°C, overcast in the morning, partly cloudy in the afternoon, and overcast this evening, with lower humidity and barometric pressure rising. Winds N at 16 mph 26 km/h. Gusts up to 21 mph 34 km/h.

Monday, September 28, 2026

Mid-Morning
Grumman Weather - 2026-09-28 - Morning - Overcast
55°F 13°C
Overcast
Mid-Afternoon
Grumman Weather - 2026-09-28 - Afternoon - Overcast
60°F 16°C
Overcast
Early-Evening
Grumman Weather - 2026-09-28 - Evening - Overcast
59°F 15°C
Overcast
Mildly cool near 60°F 16°C, overcast throughout the day, with steady humidity and steady pressure. Winds moving from the NE to the E at 15 mph 23 km/h.

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Weather by the Numbers

Tue, 15th
Grumman NY Weather - Tuesday, Sep 15, 2026 - Sunny
Hi: 67°F 19°C
Lo: 59°F 15°C
Sunrise 06:31 AM
Sunset 07:00 PM
Wind ENE 8 mph13 km/h
Dew Point 50°F10°C
uv Index 6
Barometric Pressure 30.42 in1030 mb
POP 4% *
Humidity 61%
Wed, 16th
Grumman NY Weather - Wednesday, Sep 16, 2026 - Cloudy
Hi: 73°F 23°C
Lo: 61°F 16°C
Sunrise 06:32 AM
Sunset 06:58 PM
Wind WNW 4 mph7 km/h
Dew Point 55°F13°C
uv Index 6
Barometric Pressure 30.39 in1029 mb
POP 10% *
Humidity 57%
Thu, 17th
Grumman NY Weather - Thursday, Sep 17, 2026 - Sunny
Hi: 76°F 25°C
Lo: 66°F 19°C
Sunrise 06:33 AM
Sunset 06:56 PM
Wind SSW 6 mph10 km/h
Dew Point 63°F17°C
uv Index 6
Barometric Pressure 30.21 in1023 mb
POP 5% *
Humidity 66%
Fri, 18th
Grumman NY Weather - Friday, Sep 18, 2026 - Sunny
Hi: 74°F 23°C
Lo: 67°F 19°C
Sunrise 06:34 AM
Sunset 06:55 PM
Wind NE 8 mph13 km/h
Dew Point 57°F14°C
uv Index 6
Barometric Pressure 30.18 in1022 mb
POP 3% *
Humidity 58%
Sat, 19th
Grumman NY Weather - Saturday, Sep 19, 2026 - Overcast
Hi: 73°F 23°C
Lo: 62°F 17°C
Sunrise 06:35 AM
Sunset 06:53 PM
Wind ESE 13 mph21 km/h
Dew Point 56°F14°C
uv Index 5
Barometric Pressure 30.21 in1023 mb
POP 16% *
Humidity 64%
Sun, 20th
Grumman NY Weather - Sunday, Sep 20, 2026 - Light Rain Shower
Hi: 79°F 26°C
Lo: 70°F 21°C
Sunrise 06:36 AM
Sunset 06:51 PM
Wind W 13 mph21 km/h
Dew Point 70°F21°C
uv Index 5
Barometric Pressure 29.8 in1009 mb
POP 33% *
Humidity 83%
Mon, 21st
Grumman NY Weather - Monday, Sep 21, 2026 - Patchy Rain Nearby
Hi: 69°F 21°C
Lo: 64°F 18°C
Sunrise 06:37 AM
Sunset 06:50 PM
Wind ENE 9 mph14 km/h
Dew Point 60°F15°C
uv Index 4
Barometric Pressure 30.09 in1019 mb
POP 21% *
Humidity 75%
Tue, 22nd
Grumman NY Weather - Tuesday, Sep 22, 2026 - Patchy Rain Nearby
Hi: 65°F 18°C
Lo: 63°F 17°C
Sunrise 06:38 AM
Sunset 06:48 PM
Wind ESE 20 mph33 km/h
Dew Point 55°F13°C
uv Index 4
Barometric Pressure 30.27 in1025 mb
POP 18% *
Humidity 70%
Wed, 23rd
Grumman NY Weather - Wednesday, Sep 23, 2026 - Overcast
Hi: 69°F 20°C
Lo: 65°F 18°C
Sunrise 06:39 AM
Sunset 06:46 PM
Wind N 9 mph15 km/h
Dew Point 66°F19°C
uv Index 4
Barometric Pressure 29.91 in1013 mb
POP 32% *
Humidity 94%
Thu, 24th
Grumman NY Weather - Thursday, Sep 24, 2026 - Light Rain Shower
Hi: 66°F 19°C
Lo: 63°F 17°C
Sunrise 06:40 AM
Sunset 06:44 PM
Wind ENE 11 mph18 km/h
Dew Point 63°F17°C
uv Index 4
Barometric Pressure 29.85 in1011 mb
POP 65% *
Humidity 94%
Fri, 25th
Grumman NY Weather - Friday, Sep 25, 2026 - Patchy Rain Nearby
Hi: 73°F 23°C
Lo: 62°F 17°C
Sunrise 06:41 AM
Sunset 06:43 PM
Wind W 12 mph19 km/h
Dew Point 64°F18°C
uv Index 5
Barometric Pressure 29.77 in1008 mb
POP 18% *
Humidity 77%
Sat, 26th
Grumman NY Weather - Saturday, Sep 26, 2026 - Overcast
Hi: 65°F 18°C
Lo: 60°F 16°C
Sunrise 06:42 AM
Sunset 06:41 PM
Wind WSW 5 mph8 km/h
Dew Point 48°F9°C
uv Index 4
Barometric Pressure 30.12 in1020 mb
POP 14% *
Humidity 59%
Sun, 27th
Grumman NY Weather - Sunday, Sep 27, 2026 - Sunny
Hi: 67°F 20°C
Lo: 58°F 15°C
Sunrise 06:43 AM
Sunset 06:39 PM
Wind NNE 16 mph26 km/h
Dew Point 49°F9°C
uv Index 5
Barometric Pressure 30.21 in1023 mb
POP 9% *
Humidity 59%
Mon, 28th
Grumman NY Weather - Monday, Sep 28, 2026 - Overcast
Hi: 60°F 16°C
Lo: 54°F 12°C
Sunrise 06:44 AM
Sunset 06:38 PM
Wind ENE 16 mph26 km/h
Dew Point 45°F7°C
uv Index 3
Barometric Pressure 30.5 in1033 mb
POP 16% *
Humidity 64%
* POP = Probability of Precipitation. Data for 12:00 PM.