Syosset, NY Weather Forecast | 10 Days
Updated: Thu Nov 12th 2026 3:00 PM EST
Thu, 11-12
59°F
50°F
50°F
Fri, 11-13
49°F
40°F
40°F
Sat, 11-14
45°F
37°F
37°F
Sun, 11-15
48°F
40°F
40°F
Mon, 11-16
49°F
37°F
37°F
Tue, 11-17
51°F
36°F
36°F
Wed, 11-18
55°F
40°F
40°F
Thu, 11-19
58°F
43°F
43°F
Fri, 11-20
58°F
45°F
45°F
Sat, 11-21
56°F
43°F
43°F
Overcast
Syosset NY Weather Forecast for Thu 11-12
Overcast with a high of 59°F and a low of 50°F. It will likey rain, having a 86% chance of a downpour with an estimated 0.47in. Wind will be moderate, blowing around 15mph on average and gusts of 29.4mph at 7 PM. The humidity will be on the higher side, averaging about 77%, the maximum being 89% at 4 PM and 83% being its lowest at 9 PM. Barometric pressure is its highest of 29.43 at 4 PM, a lowest point of 29.41 at 11 PM with an avg 29.42.
- HI: 59°F
- LO: 50°F
- Rain: 86% | est. 0.47in
- Snow: 0%
- Wind
15 mph - Humidity
77% avg. - UV Index
0.6 - Air QualityGood
- Sunrise
06:37 AM - Sunset
04:39 PM - Moonrise
10:21 AM - Moonset
07:06 PM - Moon Phase
Waxing Crescent - Hourly
Light Rain
Syosset NY Weather Forecast for Fri 11-13
Light Rain with a high of 49°F and a low of 40°F. It will likey rain, having a 90% chance of a downpour with an estimated 0.9in. Wind will be moderate, blowing around 16mph on average and gusts of 30.6mph at 7 AM. High humidity with average of 85% is anticipated, the maximum being 90% at 7 AM and 74% being its lowest at 9 PM. Barometric pressure is its highest of 29.69 at 11 PM, a lowest point of 29.41 at 12 AM with an avg 29.53.
- HI: 49°F
- LO: 40°F
- Rain: 90% | est. 0.9in
- Snow: 0%
- Wind
15.7 mph - Humidity
85% avg. - UV Index
0.7 - Air QualityGood
- Sunrise
06:39 AM - Sunset
04:38 PM - Moonrise
11:06 AM - Moonset
08:08 PM - Moon Phase
Waxing Crescent - Hourly
Cloudy
Syosset NY Weather Forecast for Sat 11-14
Cloudy with a high of 45°F and a low of 37°F. There might be light rainfall having a 12% chance. Wind will be moderate, blowing around 13mph on average and gusts of 22.3mph at 1 PM. The humidity will be on the higher side, averaging about 65%, the maximum being 75% at 12 AM and 49% being its lowest at 1 PM. Barometric pressure is its highest of 29.92 at 11 PM, a lowest point of 29.7 at 12 AM with an avg 29.79.
- HI: 45°F
- LO: 37°F
- Rain: 12%
- Snow: 0%
- Wind
12.1 mph - Humidity
65% avg. - UV Index
0.8 - Air QualityGood
- Sunrise
06:40 AM - Sunset
04:37 PM - Moonrise
11:42 AM - Moonset
09:11 PM - Moon Phase
First Quarter - Hourly
Partly Cloudy
Syosset NY Weather Forecast for Sun 11-15
Partly Cloudy with a high of 48°F and a low of 40°F. There's a very small chance of rainfall, only about 9%. Wind will be moderate, blowing around 12mph on average and gusts of 23.2mph at 10 AM. The humidity will be on the higher side, averaging about 65%, the maximum being 78% at 7 AM and 49% being its lowest at 2 PM. Barometric pressure is its highest of 30.26 at 11 PM, a lowest point of 29.92 at 12 AM with an avg 30.1.
- HI: 48°F
- LO: 40°F
- Rain: 9%
- Snow: 0%
- Wind
11.9 mph - Humidity
65% avg. - UV Index
3 - Air QualityGood
- Sunrise
06:41 AM - Sunset
04:36 PM - Moonrise
12:12 PM - Moonset
10:14 PM - Moon Phase
First Quarter - Hourly
Sunny
Syosset NY Weather Forecast for Mon 11-16
Sunny with a high of 49°F and a low of 37°F. There's a very small chance of rainfall, only about 5%. Winds will be light at 8mph and gusts of 16.4mph at 12 AM. The humidity will be on the higher side, averaging about 65%, the maximum being 78% at 7 AM and 49% being its lowest at 3 PM. Barometric pressure is its highest of 30.43 at 10 PM, a lowest point of 30.27 at 12 AM with an avg 30.37.
- HI: 49°F
- LO: 37°F
- Rain: 5%
- Snow: 0%
- Wind
7.2 mph - Humidity
65% avg. - UV Index
3 - Air QualityGood
- Sunrise
06:42 AM - Sunset
04:35 PM - Moonrise
12:37 PM - Moonset
11:15 PM - Moon Phase
First Quarter - Hourly
Sunny
Syosset NY Weather Forecast for Tue 11-17
Sunny with a high of 51°F and a low of 36°F. There's a very small chance of rainfall, only about 6%. Winds will be light at 5mph and gusts of 12.1mph at 10 PM. The humidity will be on the higher side, averaging about 70%, the maximum being 82% at 7 AM and 55% being its lowest at 1 PM. Barometric pressure is its highest of 30.46 at 7 AM, a lowest point of 30.38 at 3 PM with an avg 30.42.
- HI: 51°F
- LO: 36°F
- Rain: 6%
- Snow: 0%
- Wind
4.9 mph - Humidity
70% avg. - UV Index
4 - Air QualityTBA
- Sunrise
06:43 AM - Sunset
04:34 PM - Moonrise
12:59 PM - Moonset
Does not set today - Moon Phase
First Quarter - Hourly
Sunny
Syosset NY Weather Forecast for Wed 11-18
Sunny with a high of 55°F and a low of 40°F. There's a very small chance of rainfall, only about 4%. Winds will be light at 6mph and gusts of 11.7mph at 7 PM. The humidity will be on the higher side, averaging about 64%, the maximum being 78% at 7 AM and 48% being its lowest at 1 PM. Barometric pressure is its highest of 30.39 at 6 AM, a lowest point of 30.34 at 4 PM with an avg 30.36.
- HI: 55°F
- LO: 40°F
- Rain: 4%
- Snow: 0%
- Wind
5.1 mph - Humidity
64% avg. - UV Index
4 - Air QualityTBA
- Sunrise
06:44 AM - Sunset
04:34 PM - Moonrise
01:20 PM - Moonset
12:16 AM - Moon Phase
Waxing Gibbous - Hourly
Sunny
Syosset NY Weather Forecast for Thu 11-19
Sunny with a high of 58°F and a low of 43°F. There's a very small chance of rainfall, only about 5%. Winds will be light at 5mph and gusts of 14.3mph at 10 PM. The humidity will be on the higher side, averaging about 61%, the maximum being 70% at 11 PM and 45% being its lowest at 1 PM. Barometric pressure is its highest of 30.35 at 5 AM, a lowest point of 30.3 at 4 PM with an avg 30.32.
- HI: 58°F
- LO: 43°F
- Rain: 5%
- Snow: 0%
- Wind
4.9 mph - Humidity
61% avg. - UV Index
4 - Air QualityTBA
- Sunrise
06:46 AM - Sunset
04:33 PM - Moonrise
01:40 PM - Moonset
01:17 AM - Moon Phase
Waxing Gibbous - Hourly
Sunny
Syosset NY Weather Forecast for Fri 11-20
Sunny with a high of 58°F and a low of 45°F. There's a very small chance of rainfall, only about 6%. Winds will be light at 5mph and gusts of 15.5mph at 4 PM. The humidity will be on the higher side, averaging about 69%, the maximum being 78% at 11 PM and 54% being its lowest at 1 PM. Barometric pressure is its highest of 30.35 at 8 PM, a lowest point of 30.31 at 12 AM with an avg 30.33.
- HI: 58°F
- LO: 45°F
- Rain: 6%
- Snow: 0%
- Wind
4.7 mph - Humidity
69% avg. - UV Index
4 - Air QualityTBA
- Sunrise
06:47 AM - Sunset
04:32 PM - Moonrise
02:00 PM - Moonset
02:18 AM - Moon Phase
Waxing Gibbous - Hourly
Partly Cloudy
Syosset NY Weather Forecast for Sat 11-21
Partly Cloudy with a high of 56°F and a low of 43°F. There might be light rainfall having a 12% chance. Winds will be light at 7mph and gusts of 16.3mph at 11 PM. The humidity will be on the higher side, averaging about 78%, the maximum being 89% at 7 AM and 62% being its lowest at 1 PM. Barometric pressure is its highest of 30.37 at 6 AM, a lowest point of 30.21 at 11 PM with an avg 30.31.
- HI: 56°F
- LO: 43°F
- Rain: 12%
- Snow: 0%
- Wind
6.3 mph - Humidity
78% avg. - UV Index
4 - Air QualityTBA
- Sunrise
06:48 AM - Sunset
04:32 PM - Moonrise
02:23 PM - Moonset
03:22 AM - Moon Phase
Waxing Gibbous - Hourly
This 10-Day weather forecast is relevant for ZIP codes 11773 and 11791, accurately covering areas of Syosset, NY.
Currently
| 53°F |
29.44 inHg.
Barometer 94%
Humidity ENE 19.4 mph Wind |
|
| Mist | ||
National Outlook
Cold Snap to Grip Central and Eastern U.S., Warmth Continues in the West - 11-11 to 11-13
Wed Nov 11th 2026, 5:53am PST
Read
Rain and Snow Ahead from Coast to Coast - 11-14-2026 to 11-18-2026
Extended Forecast
Wed Nov 11th 2026, 5:55am PST
Read
Wed Nov 11th 2026, 5:55am PST

