Stony Brook Weather Forecast 15 Days, Weather in Stony Brook Today
Current weather conditions and 15 day weather forecast for Stony Brook, New York, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
Current weather conditions at Stony Brook
| 03 November 2026 Tuesday 17.6 ° C / 63.7°F  Overcast |
Feels Like : 14.5 ° C / 58.1°F Humidity : % 59 Pressure : 1023 mb Wind Speed : 15.5 kmph / 9.6 miles from WSW  Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15 day weather forecast for Stony Brook, NY, USA
Weather Forecast for next 15 Days for Stony Brook including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is weather for the next 15 days in Stony Brook, New York state, US. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 03 November 2026 Tuesday | Overcast |
12.8 ° C (55°F) |
17.8 ° C (64.1°F) |
15.4 ° C (59.7°F) |
% 66 | 10% | 2.8 | Sunrise:06:25 AM Sunset: 04:46 PM |
Moonrise:Does not rise today Moonset: 01:49 PM Moon Phase ( Waning Crescent ) |
|
| 04 November 2026 Wednesday |  Sunny |
14.2 ° C (57.5°F) |
18.9 ° C (66.1°F) |
16.5 ° C (61.7°F) |
% 76 | 8% | 3.1 | Sunrise:06:26 AM Sunset: 04:45 PM |
Moonrise:01:08 AM Moonset: 02:14 PM Moon Phase ( Waning Crescent ) |
|
| 05 November 2026 Thursday | Overcast |
16.4 ° C (61.5°F) |
19.3 ° C (66.8°F) |
17.5 ° C (63.5°F) |
% 89 | 64% | 1.3 | Sunrise:06:28 AM Sunset: 04:44 PM |
Moonrise:02:20 AM Moonset: 02:38 PM Moon Phase ( Waning Crescent ) |
|
| 06 November 2026 Friday |  Light rain shower |
15.2 ° C (59.4°F) |
17.6 ° C (63.7°F) |
16.6 ° C (61.8°F) |
% 97 | 94% | 0.7 | Sunrise:06:29 AM Sunset: 04:43 PM |
Moonrise:03:33 AM Moonset: 03:02 PM Moon Phase ( Waning Crescent ) |
|
| 07 November 2026 Saturday | Sunny |
10.2 ° C (50.4°F) |
16.5 ° C (61.8°F) |
13.9 ° C (57°F) |
% 72 | 59% | 2.5 | Sunrise:06:30 AM Sunset: 04:41 PM |
Moonrise:04:45 AM Moonset: 03:28 PM Moon Phase ( New Moon ) |
|
| 08 November 2026 Sunday | Sunny |
9.2 ° C (48.6°F) |
13.8 ° C (56.9°F) |
11.7 ° C (53.1°F) |
% 69 | 10% | 4 | Sunrise:06:31 AM Sunset: 04:40 PM |
Moonrise:05:59 AM Moonset: 03:58 PM Moon Phase ( New Moon ) |
|
| 09 November 2026 Monday | Sunny |
9.7 ° C (49.5°F) |
12.2 ° C (54°F) |
10.9 ° C (51.6°F) |
% 60 | 5% | 4 | Sunrise:06:32 AM Sunset: 04:39 PM |
Moonrise:07:11 AM Moonset: 04:33 PM Moon Phase ( New Moon ) |
|
| 10 November 2026 Tuesday |  Partly Cloudy |
9.2 ° C (48.6°F) |
15.3 ° C (59.6°F) |
12.8 ° C (55.1°F) |
% 66 | 7% | 5 | Sunrise:06:34 AM Sunset: 04:38 PM |
Moonrise:08:21 AM Moonset: 05:16 PM Moon Phase ( New Moon ) |
|
| 11 November 2026 Wednesday | Partly Cloudy |
8.3 ° C (46.9°F) |
13.1 ° C (55.6°F) |
11 ° C (51.8°F) |
% 61 | 7% | 4 | Sunrise:06:35 AM Sunset: 04:37 PM |
Moonrise:09:25 AM Moonset: 06:06 PM Moon Phase ( Waxing Crescent ) |
|
| 12 November 2026 Thursday | Partly Cloudy |
6.1 ° C (43°F) |
8.2 ° C (46.8°F) |
7.4 ° C (45.2°F) |
% 54 | 6% | 3 | Sunrise:06:36 AM Sunset: 04:36 PM |
Moonrise:10:19 AM Moonset: 07:04 PM Moon Phase ( Waxing Crescent ) |
|
| 13 November 2026 Friday | Sunny |
5.1 ° C (41.2°F) |
7.7 ° C (45.8°F) |
6.5 ° C (43.7°F) |
% 59 | 5% | 3 | Sunrise:06:37 AM Sunset: 04:36 PM |
Moonrise:11:05 AM Moonset: 08:05 PM Moon Phase ( Waxing Crescent ) |
|
| 14 November 2026 Saturday | Partly Cloudy |
5.4 ° C (41.7°F) |
8.8 ° C (47.8°F) |
7.2 ° C (44.9°F) |
% 67 | 7% | 3 | Sunrise:06:38 AM Sunset: 04:35 PM |
Moonrise:11:41 AM Moonset: 09:08 PM Moon Phase ( First Quarter ) |
|
| 15 November 2026 Sunday | Sunny |
6.8 ° C (44.2°F) |
11.8 ° C (53.2°F) |
9.4 ° C (49°F) |
% 75 | 57% | 4 | Sunrise:06:39 AM Sunset: 04:34 PM |
Moonrise:12:11 PM Moonset: 10:11 PM Moon Phase ( First Quarter ) |
|
| 16 November 2026 Monday | Light rain shower |
10.2 ° C (50.3°F) |
11.8 ° C (53.3°F) |
11 ° C (51.9°F) |
% 79 | 82% | 3 | Sunrise:06:41 AM Sunset: 04:33 PM |
Moonrise:12:36 PM Moonset: 11:13 PM Moon Phase ( First Quarter ) |
|
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