Weather in Stony Brook New York, United States. 15 days forecast

Current weather conditions

Sky / Temperature

Cloudy 54°F

Wind

Southwest 15 > 25 mi/h

Atmospheric pressure

1020 hPa

Humidity

67%

Wind chill

46°F

Dewpoint

43°F

Updated: 4/18/2025 at 20:56 (Local time)
Weather Station: Islip, Long Island Mac Arthur Airport

°F°C
mi/hkm/h

Weather forecast 15 days

15-day weather forecast with temperatures, sky state, wind speed and direction, cloud percentage, probability of precipitation, accumulated precipitation, humidity, atmospheric pressure, sunrise and sunset times, moonrise and moonset times, and daily moon phase. Weather forecast for Stony Brook.

Today, april 18

63°F42°F
6:1219:33
00:3709:09
Moon illumination: 79.94%
HourSky / Temp.Wind
21:00
54°F
wind 19 mi/h
1020 hPa59%59%6%0 mm
22:00
54°F
wind 18 mi/h
1020 hPa65%55%6%0 mm
23:00
52°F
wind 17 mi/h
1020 hPa70%51%6%0 mm

Tomorrow, april 19

73°F52°F
6:1119:34
01:3010:06
Moon illumination: 71.59%
HourSky / Temp.Wind
00:00
52°F
wind 16 mi/h
1020 hPa74%53%6%0 mm
03:00
54°F
wind 14 mi/h
1018 hPa80%56%5%0 mm
06:00
55°F
wind 13 mi/h
1017 hPa77%54%5%0 mm
09:00
61°F
wind 15 mi/h
1016 hPa72%64%3%0 mm
12:00
70°F
wind 18 mi/h
1015 hPa57%58%3%0 mm
15:00
73°F
wind 19 mi/h
1013 hPa50%60%11%0 mm
18:00
72°F
wind 17 mi/h
1011 hPa53%57%11%0 mm
21:00
64°F
wind 14 mi/h
1012 hPa68%52%25%0 mm

Sunday, april 20

62°F49°F
6:0919:35
02:1511:12
Moon illumination: 62.24%
HourSky / Temp.Wind
00:00
63°F
wind 12 mi/h
1014 hPa73%57%25%0 mm
03:00
59°F
wind 11 mi/h
1016 hPa70%51%4%0 mm
06:00
55°F
wind 11 mi/h
1019 hPa66%53%4%0 mm
09:00
55°F
wind 13 mi/h
1023 hPa59%54%2%0 mm
12:00
59°F
wind 14 mi/h
1025 hPa46%43%0%0 mm
15:00
61°F
wind 14 mi/h
1024 hPa39%38%0%0 mm
18:00
59°F
wind 11 mi/h
1025 hPa40%39%0%0 mm
21:00
52°F
wind 7 mi/h
1027 hPa48%40%0%0 mm

Monday, april 21

55°F45°F
6:0819:36
02:5212:22
Moon illumination: 52.15%
HourSky / Temp.Wind
00:00
48°F
wind 6 mi/h
1028 hPa54%47%0%0 mm
03:00
45°F
wind 6 mi/h
1027 hPa58%52%2%0 mm
06:00
46°F
wind 6 mi/h
1028 hPa56%53%2%0 mm
09:00
48°F
wind 6 mi/h
1028 hPa53%54%2%0 mm
12:00
52°F
wind 6 mi/h
1027 hPa50%55%2%0 mm
15:00
54°F
wind 6 mi/h
1025 hPa50%59%2%0 mm
18:00
52°F
wind 7 mi/h
1023 hPa58%72%2%0 mm
21:00
50°F
wind 7 mi/h
1020 hPa66%82%3%0 mm

Tuesday, april 22

64°F50°F
6:0619:37
03:2413:35
Moon illumination: 41.67%
HourSky / Temp.Wind
00:00
50°F
wind 7 mi/h
1016 hPa75%87%3%0 mm
03:00
50°F
wind 7 mi/h
1014 hPa82%90%3%0 mm
06:00
52°F
wind 7 mi/h
1013 hPa88%86%3%0 mm
09:00
54°F
wind 7 mi/h
1013 hPa86%75%52%0.2 mm
12:00
61°F
wind 9 mi/h
1013 hPa69%50%52%0.1 mm
15:00
63°F
wind 10 mi/h
1012 hPa58%32%0%0 mm
18:00
61°F
wind 9 mi/h
1013 hPa57%27%0%0 mm
21:00
59°F
wind 9 mi/h
1015 hPa59%23%0%0 mm

Wednesday, april 23

60°F50°F
6:0519:38
03:5114:49
Moon illumination: 31.21%
HourSky / Temp.Wind
00:00
54°F
wind 7 mi/h
1018 hPa66%21%0%0 mm
03:00
52°F
wind 6 mi/h
1019 hPa71%20%0%0 mm
06:00
50°F
wind 5 mi/h
1020 hPa71%22%0%0 mm
09:00
52°F
wind 5 mi/h
1022 hPa69%22%0%0 mm
12:00
57°F
wind 6 mi/h
1022 hPa60%19%0%0 mm
15:00
59°F
wind 7 mi/h
1022 hPa56%19%0%0 mm
18:00
57°F
wind 6 mi/h
1021 hPa59%25%0%0 mm
21:00
54°F
wind 5 mi/h
1023 hPa65%30%0%0 mm

Thursday, april 24

60°F49°F
6:0319:39
04:1516:04
Moon illumination: 21.30%
HourSky / Temp.Wind
00:00
52°F
wind 4 mi/h
1023 hPa73%33%0%0 mm
03:00
50°F
wind 4 mi/h
1024 hPa79%39%0%0 mm
06:00
50°F
wind 4 mi/h
1024 hPa79%49%0%0 mm
09:00
52°F
wind 4 mi/h
1025 hPa76%55%6%0 mm
12:00
57°F
wind 6 mi/h
1026 hPa66%49%0%0 mm
15:00
59°F
wind 7 mi/h
1025 hPa62%47%0%0 mm
18:00
55°F
wind 7 mi/h
1024 hPa69%52%6%0 mm
21:00
54°F
wind 6 mi/h
1025 hPa68%52%12%0 mm

Friday, april 25

62°F49°F
6:0219:40
04:3917:21
Moon illumination: 12.58%
HourSky / Temp.Wind
00:00
50°F
wind 4 mi/h
1024 hPa76%55%12%0 mm
03:00
50°F
wind 4 mi/h
1022 hPa80%60%5%0 mm
06:00
52°F
wind 4 mi/h
1021 hPa82%64%17%0.1 mm
09:00
54°F
wind 6 mi/h
1019 hPa79%63%17%0 mm
12:00
59°F
wind 7 mi/h
1017 hPa69%57%0%0 mm
15:00
61°F
wind 7 mi/h
1016 hPa65%59%0%0 mm
18:00
59°F
wind 6 mi/h
1015 hPa68%66%0%0 mm
21:00
55°F
wind 6 mi/h
1015 hPa77%73%17%0.2 mm

Saturday, april 26

58°F51°F
6:0119:42
05:0418:40
Moon illumination: 5.74%
HourSky / Temp.Wind
00:00
54°F
wind 5 mi/h
1015 hPa84%80%17%0.2 mm
03:00
52°F
wind 5 mi/h
1015 hPa88%85%17%0.2 mm
06:00
52°F
wind 6 mi/h
1016 hPa88%87%17%0.3 mm
09:00
54°F
wind 6 mi/h
1017 hPa84%84%17%0.3 mm
12:00
57°F
wind 6 mi/h
1017 hPa78%76%17%0.5 mm
15:00
57°F
wind 6 mi/h
1018 hPa76%72%17%0.2 mm
18:00
57°F
wind 6 mi/h
1018 hPa78%75%17%0.2 mm
21:00
55°F
wind 3 mi/h
1020 hPa78%70%17%0.2 mm

Sunday, april 27

60°F51°F
5:5919:43
05:3120:02
Moon illumination: 1.39%
HourSky / Temp.Wind
00:00
54°F
wind 4 mi/h
1022 hPa77%60%17%0.2 mm
03:00
54°F
wind 9 mi/h
1024 hPa77%56%17%0.2 mm
06:00
52°F
wind 9 mi/h
1026 hPa76%49%0%0 mm
09:00
54°F
wind 7 mi/h
1028 hPa71%41%0%0 mm
12:00
57°F
wind 5 mi/h
1029 hPa61%35%0%0 mm
15:00
59°F
wind 9 mi/h
1029 hPa57%38%0%0 mm
18:00
57°F
wind 8 mi/h
1029 hPa60%56%0%0 mm
21:00
54°F
wind 7 mi/h
1030 hPa65%61%0%0 mm

Monday, april 28

58°F49°F
5:5819:44
06:0421:26
Moon illumination: 0.00%
HourSky / Temp.Wind
00:00
52°F
wind 2 mi/h
1031 hPa73%60%0%0 mm
03:00
50°F
wind 4 mi/h
1031 hPa76%60%0%0 mm
06:00
50°F
wind 4 mi/h
1031 hPa76%58%0%0 mm
09:00
52°F
wind 5 mi/h
1030 hPa71%57%0%0 mm
12:00
55°F
wind 7 mi/h
1029 hPa63%57%0%0 mm
15:00
57°F
wind 10 mi/h
1027 hPa62%57%17%0.3 mm
18:00
55°F
wind 9 mi/h
1025 hPa67%59%0%0 mm
21:00
54°F
wind 9 mi/h
1024 hPa71%62%0%0 mm

Tuesday, april 29

60°F51°F
5:5619:45
06:4422:46
Moon illumination: 1.71%
HourSky / Temp.Wind
00:00
52°F
wind 8 mi/h
1022 hPa76%64%0%0 mm
03:00
52°F
wind 7 mi/h
1020 hPa80%66%17%0.2 mm
06:00
52°F
wind 8 mi/h
1019 hPa80%65%17%0.1 mm
09:00
54°F
wind 8 mi/h
1018 hPa84%74%0%0 mm
12:00
59°F
wind 6 mi/h
1017 hPa87%88%0%0 mm
15:00
59°F
wind 3 mi/h
1016 hPa84%84%17%0.4 mm
18:00
57°F
wind 5 mi/h
1015 hPa90%93%17%0.5 mm
21:00
55°F
wind 6 mi/h
1015 hPa96%99%17%0.7 mm

Wednesday, april 30

63°F54°F
5:5519:46
07:3523:58
Moon illumination: 6.32%
HourSky / Temp.Wind
00:00
54°F
wind 4 mi/h
1014 hPa98%100%17%0.2 mm
03:00
54°F
wind 3 mi/h
1012 hPa99%100%0%0 mm
06:00
54°F
wind 6 mi/h
1012 hPa98%95%0%0 mm
09:00
57°F
wind 10 mi/h
1012 hPa94%90%17%0.2 mm
12:00
61°F
wind 14 mi/h
1010 hPa84%93%0%0 mm
15:00
63°F
wind 18 mi/h
1007 hPa77%85%17%0.2 mm
18:00
61°F
wind 22 mi/h
1005 hPa79%100%17%0 mm
21:00
59°F
wind 22 mi/h
1004 hPa86%99%40%1.6 mm

Thursday, may 1

57°F49°F
5:5419:47
08:36----
Moon illumination: 13.34%
HourSky / Temp.Wind
00:00
57°F
wind 17 mi/h
1004 hPa93%100%17%0.6 mm
03:00
55°F
wind 14 mi/h
1005 hPa90%97%0%0 mm
06:00
52°F
wind 19 mi/h
1009 hPa73%94%0%0 mm
09:00
50°F
wind 17 mi/h
1013 hPa58%100%0%0 mm
12:00
54°F
wind 16 mi/h
1014 hPa48%99%0%0 mm
15:00
55°F
wind 12 mi/h
1015 hPa44%85%0%0 mm
18:00
55°F
wind 11 mi/h
1017 hPa46%45%0%0 mm
21:00
52°F
wind 8 mi/h
1020 hPa53%11%0%0 mm

Friday, may 2

54°F46°F
5:5219:48
09:4500:56
Moon illumination: 22.13%
HourSky / Temp.Wind
00:00
50°F
wind 6 mi/h
1022 hPa58%2%0%0 mm
03:00
46°F
wind 5 mi/h
1024 hPa59%5%0%0 mm
06:00
46°F
wind 7 mi/h
1025 hPa56%4%0%0 mm
09:00
48°F
wind 5 mi/h
1026 hPa49%4%0%0 mm
12:00
52°F
wind 5 mi/h
1026 hPa45%5%0%0 mm
15:00
54°F
wind 6 mi/h
1025 hPa47%3%0%0 mm
18:00
54°F
wind 8 mi/h
1024 hPa52%0%0%0 mm
21:00
50°F
wind 9 mi/h
1025 hPa60%26%0%0 mm

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