Stony Brook University Weather Forecast 15 Days, Weather in Stony Brook University Today
Current weather conditions and 15 day weather forecast for Stony Brook University, 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 University
| 06 May 2026 Wednesday 13.9 ° C / 57°F  Partly cloudy |
Feels Like : 11.6 ° C / 52.9°F Humidity : % 89 Pressure : 1011 mb Wind Speed : 30.6 kmph / 19 miles from SSW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 75 |
15 day weather forecast for Stony Brook University, NY, USA
Weather Forecast for next 15 Days for Stony Brook University 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 University, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 06 May 2026 Wednesday |  Patchy rain nearby |
13 ° C (55.3°F) |
20.6 ° C (69.1°F) |
15.8 ° C (60.4°F) |
% 80 | 92% | 0.7 | Sunrise:05:44 AM Sunset: 07:54 PM |
Moonrise:12:06 AM Moonset: 08:46 AM Moon Phase ( Waning Gibbous ) |
|
| 07 May 2026 Thursday | Patchy rain nearby |
10 ° C (50.1°F) |
14.2 ° C (57.6°F) |
12.3 ° C (54.1°F) |
% 72 | 85% | 1.7 | Sunrise:05:43 AM Sunset: 07:55 PM |
Moonrise:12:48 AM Moonset: 09:47 AM Moon Phase ( Waning Gibbous ) |
|
| 08 May 2026 Friday | Partly Cloudy |
9.8 ° C (49.6°F) |
15.7 ° C (60.2°F) |
12.8 ° C (55°F) |
% 59 | 0% | 0.9 | Sunrise:05:42 AM Sunset: 07:56 PM |
Moonrise:01:24 AM Moonset: 10:51 AM Moon Phase ( Waning Gibbous ) |
|
| 09 May 2026 Saturday |  Moderate rain |
11.5 ° C (52.7°F) |
14.4 ° C (58°F) |
12.6 ° C (54.7°F) |
% 75 | 87% | 3 | Sunrise:05:41 AM Sunset: 07:57 PM |
Moonrise:01:54 AM Moonset: 11:56 AM Moon Phase ( Last Quarter ) |
|
| 10 May 2026 Sunday | Patchy rain nearby |
10.2 ° C (50.4°F) |
17.1 ° C (62.8°F) |
12.8 ° C (55°F) |
% 78 | 57% | 3 | Sunrise:05:40 AM Sunset: 07:58 PM |
Moonrise:02:19 AM Moonset: 01:02 PM Moon Phase ( Waning Crescent ) |
|
| 11 May 2026 Monday | Patchy rain nearby |
12.7 ° C (54.9°F) |
15 ° C (58.9°F) |
14.2 ° C (57.5°F) |
% 79 | 56% | 3 | Sunrise:05:39 AM Sunset: 07:59 PM |
Moonrise:02:42 AM Moonset: 02:09 PM Moon Phase ( Waning Crescent ) |
|
| 12 May 2026 Tuesday | Partly Cloudy |
10.3 ° C (50.5°F) |
15.9 ° C (60.6°F) |
13.1 ° C (55.6°F) |
% 61 | 0% | 4 | Sunrise:05:38 AM Sunset: 08:00 PM |
Moonrise:03:05 AM Moonset: 03:19 PM Moon Phase ( Waning Crescent ) |
|
| 13 May 2026 Wednesday | Patchy rain nearby |
12.8 ° C (55°F) |
17.9 ° C (64.2°F) |
14.8 ° C (58.6°F) |
% 76 | 75% | 3 | Sunrise:05:37 AM Sunset: 08:01 PM |
Moonrise:03:27 AM Moonset: 04:30 PM Moon Phase ( Waning Crescent ) |
|
| 14 May 2026 Thursday |  Sunny |
14.3 ° C (57.8°F) |
20 ° C (68°F) |
16.9 ° C (62.4°F) |
% 68 | 0% | 5 | Sunrise:05:36 AM Sunset: 08:02 PM |
Moonrise:03:51 AM Moonset: 05:46 PM Moon Phase ( Waning Crescent ) |
|
| 15 May 2026 Friday | Moderate rain |
11.1 ° C (52.1°F) |
14.1 ° C (57.3°F) |
13.1 ° C (55.6°F) |
% 85 | 84% | 3 | Sunrise:05:35 AM Sunset: 08:03 PM |
Moonrise:04:19 AM Moonset: 07:06 PM Moon Phase ( Waning Crescent ) |
|
| 16 May 2026 Saturday | Patchy rain nearby |
9.9 ° C (49.8°F) |
15.6 ° C (60.1°F) |
12.4 ° C (54.2°F) |
% 67 | 76% | 3 | Sunrise:05:34 AM Sunset: 08:04 PM |
Moonrise:04:55 AM Moonset: 08:28 PM Moon Phase ( New Moon ) |
|
| 17 May 2026 Sunday | Patchy rain nearby |
10.2 ° C (50.3°F) |
13.4 ° C (56.2°F) |
11.6 ° C (52.8°F) |
% 63 | 85% | 3 | Sunrise:05:33 AM Sunset: 08:05 PM |
Moonrise:05:39 AM Moonset: 09:47 PM Moon Phase ( Waxing Crescent ) |
|
| 18 May 2026 Monday | Patchy rain nearby |
9 ° C (48.2°F) |
13.1 ° C (55.6°F) |
10.6 ° C (51.2°F) |
% 72 | 76% | 3 | Sunrise:05:32 AM Sunset: 08:06 PM |
Moonrise:06:36 AM Moonset: 10:57 PM Moon Phase ( Waxing Crescent ) |
|
| 19 May 2026 Tuesday | Patchy rain nearby |
8.2 ° C (46.8°F) |
14.2 ° C (57.6°F) |
10.9 ° C (51.6°F) |
% 75 | 74% | 3 | Sunrise:05:31 AM Sunset: 08:07 PM |
Moonrise:07:45 AM Moonset: 11:53 PM Moon Phase ( Waxing Crescent ) |
|
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