Weather in Port Jefferson New York, United States. 15 days forecast
Current weather conditions
Sky / Temperature 57°F | Wind 17 > 27 mi/h | Atmospheric pressure1016 hPa | Humidity88% | Wind chill50°F | Dewpoint54°F |
Updated: 4/22/2025 at 02:37 (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 Port Jefferson.
Today, april 22
70°F51°F
6:0619:37
03:2413:35
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 03:00 | 52°F | 14 mi/h | 1015 hPa | 89% | 97% | 81% | 0.4 mm |
| 06:00 | 52°F |  9 mi/h | 1015 hPa | 93% | 91% | 62% | 0.4 mm |
| 09:00 | 57°F | 8 mi/h | 1015 hPa | 84% | 69% | 8% | 0 mm |
| 12:00 | 64°F |  12 mi/h | 1014 hPa | 67% | 34% | 0% | 0 mm |
| 15:00 | 70°F | 14 mi/h | 1012 hPa | 51% | 42% | 0% | 0 mm |
| 18:00 | 68°F | 12 mi/h | 1013 hPa | 47% | 49% | 0% | 0 mm |
| 21:00 | 61°F |  8 mi/h | 1015 hPa | 57% | 54% | 2% | 0 mm |
Tomorrow, april 23
66°F50°F
6:0519:38
03:5014:48
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 55°F | 7 mi/h | 1017 hPa | 62% | 37% | 0% | 0 mm |
| 03:00 | 52°F | 6 mi/h | 1019 hPa | 66% | 52% | 2% | 0 mm |
| 06:00 | 50°F | 6 mi/h | 1021 hPa | 66% | 41% | 0% | 0 mm |
| 09:00 | 55°F | 7 mi/h | 1023 hPa | 58% | 39% | 0% | 0 mm |
| 12:00 | 61°F | 8 mi/h | 1023 hPa | 46% | 28% | 0% | 0 mm |
| 15:00 | 64°F | 9 mi/h | 1022 hPa | 41% | 22% | 0% | 0 mm |
| 18:00 | 64°F | 9 mi/h | 1022 hPa | 43% | 17% | 0% | 0 mm |
| 21:00 | 59°F | 7 mi/h | 1023 hPa | 54% | 14% | 0% | 0 mm |
Thursday, april 24
60°F50°F
6:0319:39
04:1516:04
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 54°F | 4 mi/h | 1025 hPa | 65% | 15% | 0% | 0 mm |
| 03:00 | 50°F | 3 mi/h | 1026 hPa | 72% | 19% | 0% | 0 mm |
| 06:00 | 52°F | 3 mi/h | 1028 hPa | 71% | 27% | 0% | 0 mm |
| 09:00 | 54°F |  3 mi/h | 1030 hPa | 68% | 31% | 0% | 0 mm |
| 12:00 | 57°F | 4 mi/h | 1029 hPa | 60% | 27% | 0% | 0 mm |
| 15:00 | 59°F |  6 mi/h | 1028 hPa | 56% | 26% | 0% | 0 mm |
| 18:00 | 55°F | 6 mi/h | 1027 hPa | 60% | 30% | 0% | 0 mm |
| 21:00 | 54°F | 5 mi/h | 1027 hPa | 65% | 35% | 0% | 0 mm |
Friday, april 25
60°F49°F
6:0219:40
04:3817:21
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 52°F | 4 mi/h | 1027 hPa | 72% | 44% | 0% | 0 mm |
| 03:00 | 50°F | 3 mi/h | 1026 hPa | 77% | 51% | 0% | 0 mm |
| 06:00 | 50°F | 3 mi/h | 1026 hPa | 79% | 55% | 0% | 0 mm |
| 09:00 | 52°F | 4 mi/h | 1026 hPa | 76% | 59% | 4% | 0 mm |
| 12:00 | 57°F | 6 mi/h | 1026 hPa | 67% | 62% | 4% | 0 mm |
| 15:00 | 59°F | 8 mi/h | 1024 hPa | 64% | 64% | 4% | 0 mm |
| 18:00 | 55°F | 7 mi/h | 1022 hPa | 72% | 68% | 4% | 0 mm |
| 21:00 | 54°F | 7 mi/h | 1020 hPa | 80% | 73% | 19% | 0.2 mm |
Saturday, april 26
60°F52°F
6:0019:41
05:0318:40
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 54°F | 9 mi/h | 1017 hPa | 86% | 83% | 19% | 0.4 mm |
| 03:00 | 54°F | 9 mi/h | 1014 hPa | 91% | 89% | 19% | 0.5 mm |
| 06:00 | 54°F | 10 mi/h | 1012 hPa | 92% | 88% | 19% | 0.5 mm |
| 09:00 | 55°F | 11 mi/h | 1012 hPa | 90% | 85% | 57% | 0.6 mm |
| 12:00 | 57°F | 12 mi/h | 1012 hPa | 81% | 77% | 57% | 0.5 mm |
| 15:00 | 59°F | 12 mi/h | 1012 hPa | 75% | 72% | 57% | 0.6 mm |
| 18:00 | 57°F | 11 mi/h | 1014 hPa | 76% | 73% | 57% | 0.6 mm |
| 21:00 | 55°F | 11 mi/h | 1016 hPa | 76% | 68% | 62% | 0.6 mm |
Sunday, april 27
59°F51°F
5:5919:42
05:3120:02
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 54°F | 11 mi/h | 1018 hPa | 77% | 53% | 62% | 0.4 mm |
| 03:00 | 52°F | 11 mi/h | 1020 hPa | 76% | 41% | 62% | 0.4 mm |
| 06:00 | 52°F | 11 mi/h | 1022 hPa | 73% | 33% | 62% | 0.2 mm |
| 09:00 | 52°F | 11 mi/h | 1025 hPa | 67% | 27% | 0% | 0 mm |
| 12:00 | 57°F | 11 mi/h | 1026 hPa | 56% | 24% | 0% | 0 mm |
| 15:00 | 59°F | 10 mi/h | 1026 hPa | 49% | 21% | 0% | 0 mm |
| 18:00 | 57°F | 9 mi/h | 1026 hPa | 51% | 21% | 0% | 0 mm |
| 21:00 | 54°F | 6 mi/h | 1027 hPa | 62% | 14% | 0% | 0 mm |
Monday, april 28
59°F48°F
5:5719:43
06:0321:26
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 52°F | 5 mi/h | 1028 hPa | 68% | 13% | 0% | 0 mm |
| 03:00 | 50°F | 5 mi/h | 1028 hPa | 72% | 23% | 0% | 0 mm |
| 06:00 | 50°F | 6 mi/h | 1028 hPa | 72% | 35% | 0% | 0 mm |
| 09:00 | 52°F | 5 mi/h | 1028 hPa | 66% | 41% | 0% | 0 mm |
| 12:00 | 57°F | 6 mi/h | 1027 hPa | 54% | 47% | 0% | 0 mm |
| 15:00 | 59°F | 9 mi/h | 1025 hPa | 51% | 50% | 0% | 0 mm |
| 18:00 | 57°F | 9 mi/h | 1023 hPa | 57% | 54% | 0% | 0 mm |
| 21:00 | 54°F | 9 mi/h | 1022 hPa | 67% | 56% | 0% | 0 mm |
Tuesday, april 29
61°F51°F
5:5619:44
06:4422:46
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 52°F | 8 mi/h | 1020 hPa | 74% | 57% | 0% | 0 mm |
| 03:00 | 50°F | 8 mi/h | 1018 hPa | 78% | 60% | 0% | 0 mm |
| 06:00 | 52°F | 8 mi/h | 1015 hPa | 80% | 64% | 0% | 0 mm |
| 09:00 | 54°F | 9 mi/h | 1014 hPa | 77% | 63% | 0% | 0 mm |
| 12:00 | 59°F | 11 mi/h | 1011 hPa | 70% | 51% | 0% | 0 mm |
| 15:00 | 61°F | 12 mi/h | 1009 hPa | 67% | 55% | 0% | 0 mm |
| 18:00 | 59°F | 11 mi/h | 1007 hPa | 73% | 57% | 0% | 0 mm |
| 21:00 | 57°F | 11 mi/h | 1005 hPa | 77% | 61% | 17% | 0.1 mm |
Wednesday, april 30
65°F55°F
5:5519:45
07:3523:57
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 57°F | 11 mi/h | 1005 hPa | 81% | 69% | 17% | 0 mm |
| 03:00 | 55°F | 10 mi/h | 1005 hPa | 82% | 73% | 17% | 0.1 mm |
| 06:00 | 57°F | 9 mi/h | 1005 hPa | 83% | 70% | 17% | 0.1 mm |
| 09:00 | 57°F | 9 mi/h | 1007 hPa | 80% | 67% | 17% | 0 mm |
| 12:00 | 63°F | 9 mi/h | 1008 hPa | 69% | 62% | 0% | 0 mm |
| 15:00 | 64°F | 11 mi/h | 1007 hPa | 63% | 59% | 17% | 0.1 mm |
| 18:00 | 61°F | 10 mi/h | 1007 hPa | 67% | 64% | 17% | 0.2 mm |
| 21:00 | 57°F | 7 mi/h | 1008 hPa | 74% | 68% | 17% | 0.6 mm |
Thursday, may 1
60°F54°F
5:5319:47
08:36----
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 55°F | 4 mi/h | 1007 hPa | 83% | 73% | 17% | 0.2 mm |
| 03:00 | 54°F | 7 mi/h | 1006 hPa | 86% | 75% | 17% | 0.1 mm |
| 06:00 | 54°F | 6 mi/h | 1007 hPa | 85% | 71% | 0% | 0 mm |
| 09:00 | 55°F | 4 mi/h | 1007 hPa | 83% | 67% | 17% | 0.4 mm |
| 12:00 | 59°F | 4 mi/h | 1006 hPa | 76% | 63% | 17% | 0.1 mm |
| 15:00 | 59°F | 8 mi/h | 1004 hPa | 72% | 61% | 17% | 0.1 mm |
| 18:00 | 59°F | 7 mi/h | 1002 hPa | 75% | 62% | 17% | 0.3 mm |
| 21:00 | 57°F | 7 mi/h | 1001 hPa | 77% | 64% | 17% | 0.4 mm |
Friday, may 2
56°F49°F
5:5219:48
09:4500:56
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 55°F | 7 mi/h | 999 hPa | 81% | 65% | 17% | 0 mm |
| 03:00 | 54°F | 6 mi/h | 999 hPa | 83% | 65% | 17% | 0.1 mm |
| 06:00 | 54°F | 4 mi/h | 1000 hPa | 82% | 64% | 17% | 0.1 mm |
| 09:00 | 54°F | 6 mi/h | 1003 hPa | 84% | 75% | 17% | 0.1 mm |
| 12:00 | 52°F | 6 mi/h | 1005 hPa | 87% | 100% | 0% | 0 mm |
| 15:00 | 52°F | 5 mi/h | 1007 hPa | 80% | 100% | 0% | 0 mm |
| 18:00 | 52°F | 5 mi/h | 1009 hPa | 76% | 99% | 0% | 0 mm |
| 21:00 | 50°F | 9 mi/h | 1012 hPa | 73% | 71% | 0% | 0 mm |
Saturday, may 3
55°F47°F
5:5119:49
10:5701:41
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 48°F | 11 mi/h | 1013 hPa | 71% | 41% | 0% | 0 mm |
| 03:00 | 48°F | 7 mi/h | 1014 hPa | 74% | 58% | 0% | 0 mm |
| 06:00 | 48°F |  3 mi/h | 1015 hPa | 76% | 5% | 0% | 0 mm |
| 09:00 | 50°F | 2 mi/h | 1017 hPa | 66% | 38% | 0% | 0 mm |
| 12:00 | 52°F | 2 mi/h | 1018 hPa | 56% | 100% | 0% | 0 mm |
| 15:00 | 54°F | 4 mi/h | 1018 hPa | 56% | 100% | 0% | 0 mm |
| 18:00 | 54°F | 8 mi/h | 1018 hPa | 60% | 100% | 0% | 0 mm |
| 21:00 | 52°F | 9 mi/h | 1019 hPa | 68% | 98% | 0% | 0 mm |
Sunday, may 4
53°F48°F
5:4919:50
12:0702:16
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 50°F |  11 mi/h | 1020 hPa | 75% | 97% | 17% | 1 mm |
| 03:00 | 50°F | 16 mi/h | 1019 hPa | 88% | 100% | 40% | 1.4 mm |
| 06:00 | 48°F | 21 mi/h | 1019 hPa | 94% | 100% | 20% | 1.1 mm |
| 09:00 | 50°F | 22 mi/h | 1020 hPa | 94% | 100% | 17% | 0.4 mm |
| 12:00 | 52°F | 18 mi/h | 1021 hPa | 95% | 100% | 17% | 0.5 mm |
| 15:00 | 52°F | 14 mi/h | 1022 hPa | 96% | 100% | 0% | 0 mm |
| 18:00 | 52°F | 17 mi/h | 1021 hPa | 97% | 100% | 17% | 0.1 mm |
| 21:00 | 52°F | 16 mi/h | 1021 hPa | 98% | 100% | 20% | 1.1 mm |
Monday, may 5
57°F53°F
5:4819:51
13:1402:43
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 54°F | 10 mi/h | 1021 hPa | 99% | 100% | 20% | 1.3 mm |
| 03:00 | 55°F | 8 mi/h | 1020 hPa | 99% | 100% | 17% | 0.6 mm |
| 06:00 | 55°F | 8 mi/h | 1020 hPa | 99% | 100% | 20% | 1 mm |
| 09:00 | 55°F | 6 mi/h | 1021 hPa | 99% | 100% | 0% | 0 mm |
| 12:00 | 55°F | 3 mi/h | 1021 hPa | 96% | 99% | 0% | 0 mm |
| 15:00 | 57°F | 1 mi/h | 1021 hPa | 93% | 98% | 0% | 0 mm |
| 18:00 | 55°F | 4 mi/h | 1021 hPa | 94% | 100% | 0% | 0 mm |
| 21:00 | 55°F | 6 mi/h | 1021 hPa | 97% | 100% | 0% | 0 mm |
Tuesday, may 6
55°F53°F
5:4719:52
14:1803:06
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 54°F | 7 mi/h | 1021 hPa | 98% | 100% | 0% | 0 mm |
| 03:00 | 54°F | 9 mi/h | 1019 hPa | 99% | 100% | 40% | 1.5 mm |
| 06:00 | 54°F | 10 mi/h | 1018 hPa | 99% | 100% | 40% | 2 mm |
| 09:00 | 54°F | 11 mi/h | 1018 hPa | 98% | 100% | 17% | 0.3 mm |
| 12:00 | 54°F | 12 mi/h | 1016 hPa | 96% | 100% | 17% | 0.8 mm |
| 15:00 | 55°F | 9 mi/h | 1014 hPa | 95% | 100% | 17% | 0.5 mm |
